CWE-134
AllowedUse of Externally-Controlled Format String
Abstraction: Base · Status: Draft
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.
499 vulnerabilities reference this CWE, most recent first.
GHSA-RMXR-5W24-74WC
Vulnerability from github – Published: 2022-05-14 01:29 – Updated: 2025-04-20 03:46In Wireshark 2.4.0 to 2.4.1, 2.2.0 to 2.2.9, and 2.0.0 to 2.0.15, the DMP dissector could crash. This was addressed in epan/dissectors/packet-dmp.c by validating a string length.
{
"affected": [],
"aliases": [
"CVE-2017-15191"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-10-10T21:29:00Z",
"severity": "HIGH"
},
"details": "In Wireshark 2.4.0 to 2.4.1, 2.2.0 to 2.2.9, and 2.0.0 to 2.0.15, the DMP dissector could crash. This was addressed in epan/dissectors/packet-dmp.c by validating a string length.",
"id": "GHSA-rmxr-5w24-74wc",
"modified": "2025-04-20T03:46:32Z",
"published": "2022-05-14T01:29:44Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-15191"
},
{
"type": "WEB",
"url": "https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14068"
},
{
"type": "WEB",
"url": "https://code.wireshark.org/review/23591"
},
{
"type": "WEB",
"url": "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=8dbb21dfde14221dab09b6b9c7719b9067c1f06e"
},
{
"type": "WEB",
"url": "https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=8dbb21dfde14221dab09b6b9c7719b9067c1f06e"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html"
},
{
"type": "WEB",
"url": "https://www.wireshark.org/security/wnpa-sec-2017-44.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/101227"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-RXMX-W44H-9GVH
Vulnerability from github – Published: 2023-03-29 21:30 – Updated: 2023-04-06 15:30This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of ConfigFileUpload requests to the web management portal. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16141.
{
"affected": [],
"aliases": [
"CVE-2022-43619"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-03-29T19:15:00Z",
"severity": "MODERATE"
},
"details": "This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of ConfigFileUpload requests to the web management portal. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-16141.",
"id": "GHSA-rxmx-w44h-9gvh",
"modified": "2023-04-06T15:30:18Z",
"published": "2023-03-29T21:30:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-43619"
},
{
"type": "WEB",
"url": "https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10310"
},
{
"type": "WEB",
"url": "https://www.zerodayinitiative.com/advisories/ZDI-22-1493"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-V2H5-46C5-J7MF
Vulnerability from github – Published: 2022-05-17 01:27 – Updated: 2022-05-17 01:27The bashMail function in cms/data/skins/techjunkie/fragments/contacts/functions.php in SkyBlueCanvas CMS before 1.1 r248-04, when the pid parameter is 4, allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) name, (2) email, (3) subject, or (4) message parameter to index.php.
{
"affected": [],
"aliases": [
"CVE-2014-1683"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2014-01-29T18:55:00Z",
"severity": "MODERATE"
},
"details": "The bashMail function in cms/data/skins/techjunkie/fragments/contacts/functions.php in SkyBlueCanvas CMS before 1.1 r248-04, when the pid parameter is 4, allows remote attackers to execute arbitrary commands via shell metacharacters in the (1) name, (2) email, (3) subject, or (4) message parameter to index.php.",
"id": "GHSA-v2h5-46c5-j7mf",
"modified": "2022-05-17T01:27:06Z",
"published": "2022-05-17T01:27:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2014-1683"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/90670"
},
{
"type": "WEB",
"url": "http://packetstormsecurity.com/files/124948/SkyBlueCanvas-CMS-1.1-r248-03-Command-Injection.html"
},
{
"type": "WEB",
"url": "http://seclists.org/fulldisclosure/2014/Jan/159"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/56646"
},
{
"type": "WEB",
"url": "http://www.exploit-db.com/exploits/31183"
},
{
"type": "WEB",
"url": "http://www.exploit-db.com/exploits/31432"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/65129"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-V2P7-MRRM-W56P
Vulnerability from github – Published: 2022-05-17 03:13 – Updated: 2022-05-17 03:13Format string vulnerability in the osLogMsg function in server/os/aulog.c in Network Audio System (NAS) 1.9.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in unspecified vectors, related to syslog.
{
"affected": [],
"aliases": [
"CVE-2013-4258"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2013-10-09T14:54:00Z",
"severity": "HIGH"
},
"details": "Format string vulnerability in the osLogMsg function in server/os/aulog.c in Network Audio System (NAS) 1.9.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in unspecified vectors, related to syslog.",
"id": "GHSA-v2p7-mrrm-w56p",
"modified": "2022-05-17T03:13:09Z",
"published": "2022-05-17T03:13:09Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-4258"
},
{
"type": "WEB",
"url": "http://radscan.com/pipermail/nas/2013-August/001270.html"
},
{
"type": "WEB",
"url": "http://radscan.com/pipermail/nas/2013-August/001277.html"
},
{
"type": "WEB",
"url": "http://sourceforge.net/mailarchive/forum.php?thread_name=E1Rp1rP-00038Z-VJ%40sfp-svn-6.v30.ch3.sourceforge.com\u0026forum_name=nas-commits"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2013/dsa-2771"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2013/08/16/2"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2013/08/19/3"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/61852"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-V4FR-H2PM-FQ93
Vulnerability from github – Published: 2022-05-13 01:33 – Updated: 2022-05-13 01:33IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to execute arbitrary code due to a format string error. IBM X-Force ID: 143023.
{
"affected": [],
"aliases": [
"CVE-2018-1566"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2018-07-10T16:29:00Z",
"severity": "HIGH"
},
"details": "IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, and 11.1 could allow a local user to execute arbitrary code due to a format string error. IBM X-Force ID: 143023.",
"id": "GHSA-v4fr-h2pm-fq93",
"modified": "2022-05-13T01:33:06Z",
"published": "2022-05-13T01:33:06Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2018-1566"
},
{
"type": "WEB",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/143023"
},
{
"type": "WEB",
"url": "http://www.ibm.com/support/docview.wss?uid=swg22016182"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/104740"
},
{
"type": "WEB",
"url": "http://www.securitytracker.com/id/1041229"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-V6H7-975G-34X5
Vulnerability from github – Published: 2026-04-27 09:34 – Updated: 2026-04-27 12:30Successful exploitation of the string injection vulnerability could allow an attacker to obtain memory address information or crash the application.
{
"affected": [],
"aliases": [
"CVE-2026-3008"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-27T07:16:03Z",
"severity": "CRITICAL"
},
"details": "Successful exploitation of the\nstring injection vulnerability could allow an attacker to obtain memory address\ninformation or crash the application.",
"id": "GHSA-v6h7-975g-34x5",
"modified": "2026-04-27T12:30:38Z",
"published": "2026-04-27T09:34:37Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-3008"
},
{
"type": "WEB",
"url": "https://github.com/notepad-plus-plus/notepad-plus-plus/issues/17960"
},
{
"type": "WEB",
"url": "https://community.notepad-plus-plus.org/topic/27500/notepad-v8-9-4-release-candidate"
},
{
"type": "WEB",
"url": "https://github.com/llgsjsm/cve-2026-3008"
},
{
"type": "WEB",
"url": "https://llgsjsm.github.io/cve-2026-3008"
},
{
"type": "WEB",
"url": "https://www.csa.gov.sg/alerts-and-advisories/alerts/al-2026-044"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-V9WF-6V95-96RM
Vulnerability from github – Published: 2022-05-02 03:41 – Updated: 2022-05-02 03:41Multiple format string vulnerabilities in lib/silcclient/client_entry.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client before 1.1.8, allow remote attackers to execute arbitrary code via format string specifiers in a nickname field, related to the (1) silc_client_add_client, (2) silc_client_update_client, and (3) silc_client_nickname_format functions.
{
"affected": [],
"aliases": [
"CVE-2009-3051"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2009-09-10T18:30:00Z",
"severity": "HIGH"
},
"details": "Multiple format string vulnerabilities in lib/silcclient/client_entry.c in Secure Internet Live Conferencing (SILC) Toolkit before 1.1.10, and SILC Client before 1.1.8, allow remote attackers to execute arbitrary code via format string specifiers in a nickname field, related to the (1) silc_client_add_client, (2) silc_client_update_client, and (3) silc_client_nickname_format functions.",
"id": "GHSA-v9wf-6v95-96rm",
"modified": "2022-05-02T03:41:22Z",
"published": "2022-05-02T03:41:22Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2009-3051"
},
{
"type": "WEB",
"url": "http://lists.opensuse.org/opensuse-security-announce/2009-10/msg00001.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/36134"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/36614"
},
{
"type": "WEB",
"url": "http://silcnet.org/docs/changelog/SILC%20Client%201.1.8"
},
{
"type": "WEB",
"url": "http://silcnet.org/docs/changelog/SILC%20Toolkit%201.1.10"
},
{
"type": "WEB",
"url": "http://silcnet.org/docs/release/SILC%20Client%201.1.8"
},
{
"type": "WEB",
"url": "http://silcnet.org/general/news/news_client.php"
},
{
"type": "WEB",
"url": "http://silcnet.org/general/news/news_toolkit.php"
},
{
"type": "WEB",
"url": "http://www.debian.org/security/2009/dsa-1879"
},
{
"type": "WEB",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:234"
},
{
"type": "WEB",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2009:235"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2009/08/31/5"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2009/09/03/5"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/35940"
},
{
"type": "WEB",
"url": "http://www.vupen.com/english/advisories/2009/2150"
}
],
"schema_version": "1.4.0",
"severity": []
}
GHSA-V9XR-Q86F-4PQC
Vulnerability from github – Published: 2022-10-25 19:00 – Updated: 2022-10-26 19:00A format string injection vulnerability exists in the ghome_process_control_packet functionality of Abode Systems, Inc. iota All-In-One Security Kit 6.9Z and 6.9X. A specially-crafted XCMD can lead to memory corruption, information disclosure and denial of service. An attacker can send a malicious XML payload to trigger this vulnerability.
{
"affected": [],
"aliases": [
"CVE-2022-33938"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-10-25T17:15:00Z",
"severity": "CRITICAL"
},
"details": "A format string injection vulnerability exists in the ghome_process_control_packet functionality of Abode Systems, Inc. iota All-In-One Security Kit 6.9Z and 6.9X. A specially-crafted XCMD can lead to memory corruption, information disclosure and denial of service. An attacker can send a malicious XML payload to trigger this vulnerability.",
"id": "GHSA-v9xr-q86f-4pqc",
"modified": "2022-10-26T19:00:39Z",
"published": "2022-10-25T19:00:27Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-33938"
},
{
"type": "WEB",
"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2022-1584"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-VFQP-R766-G759
Vulnerability from github – Published: 2026-04-30 21:30 – Updated: 2026-04-30 21:30Notepad++ 8.9.3 contains a format string injection vulnerability in the Find Results panel handler that allows attackers to cause denial of service and information disclosure by crafting a malicious nativeLang.xml language pack file. Attackers can distribute a poisoned language pack through community channels that triggers format string interpretation when a user performs search operations, leading to access violations and potential leakage of stack or register contents.
{
"affected": [],
"aliases": [
"CVE-2026-6539"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-04-30T21:16:33Z",
"severity": "MODERATE"
},
"details": "Notepad++ 8.9.3 contains a format string injection vulnerability in the Find Results panel handler that allows attackers to cause denial of service and information disclosure by crafting a malicious nativeLang.xml language pack file. Attackers can distribute a poisoned language pack through community channels that triggers format string interpretation when a user performs search operations, leading to access violations and potential leakage of stack or register contents.",
"id": "GHSA-vfqp-r766-g759",
"modified": "2026-04-30T21:30:39Z",
"published": "2026-04-30T21:30:39Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6539"
},
{
"type": "WEB",
"url": "https://notepad-plus-plus.org/news/v894-released"
},
{
"type": "WEB",
"url": "https://www.vulncheck.com/advisories/notepad-format-string-injection-via-nativelang-xml"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-VFX7-5239-R253
Vulnerability from github – Published: 2022-05-01 02:15 – Updated: 2022-05-01 02:15Format string vulnerability in the logging functionality in BitDefender AntiVirus 7.2 through 9 allows remote attackers to cause a denial of service and possibly execute arbitrary code via format string specifiers in file or directory name.
{
"affected": [],
"aliases": [
"CVE-2005-3154"
],
"database_specific": {
"cwe_ids": [
"CWE-134"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2005-10-05T23:02:00Z",
"severity": "HIGH"
},
"details": "Format string vulnerability in the logging functionality in BitDefender AntiVirus 7.2 through 9 allows remote attackers to cause a denial of service and possibly execute arbitrary code via format string specifiers in file or directory name.",
"id": "GHSA-vfx7-5239-r253",
"modified": "2022-05-01T02:15:03Z",
"published": "2022-05-01T02:15:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2005-3154"
},
{
"type": "WEB",
"url": "http://kb.bitdefender.com/KB261-en--Filename-Format-String-Vulnerability.html"
},
{
"type": "WEB",
"url": "http://secunia.com/advisories/16991"
},
{
"type": "WEB",
"url": "http://securityreason.com/securityalert/45"
},
{
"type": "WEB",
"url": "http://shadock.net/secubox/BitDefenderLoggingFunc.html"
},
{
"type": "WEB",
"url": "http://www.securityfocus.com/bid/14968"
}
],
"schema_version": "1.4.0",
"severity": []
}
Mitigation
Choose a language that is not subject to this flaw.
Mitigation
Ensure that all format string functions are passed a static string which cannot be controlled by the user, and that the proper number of arguments are always sent to that function as well. If at all possible, use functions that do not support the %n operator in format strings. [REF-116] [REF-117]
Mitigation
Run compilers and linkers with high warning levels, since they may detect incorrect usage.
CAPEC-135: Format String Injection
An adversary includes formatting characters in a string input field on the target application. Most applications assume that users will provide static text and may respond unpredictably to the presence of formatting character. For example, in certain functions of the C programming languages such as printf, the formatting character %s will print the contents of a memory location expecting this location to identify a string and the formatting character %n prints the number of DWORD written in the memory. An adversary can use this to read or write to memory locations or files, or simply to manipulate the value of the resulting text in unexpected ways. Reading or writing memory may result in program crashes and writing memory could result in the execution of arbitrary code if the adversary can write to the program stack.
CAPEC-67: String Format Overflow in syslog()
This attack targets applications and software that uses the syslog() function insecurely. If an application does not explicitely use a format string parameter in a call to syslog(), user input can be placed in the format string parameter leading to a format string injection attack. Adversaries can then inject malicious format string commands into the function call leading to a buffer overflow. There are many reported software vulnerabilities with the root cause being a misuse of the syslog() function.