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21 vulnerabilities by memcached
CVE-2026-47784 (GCVE-0-2026-47784)
Vulnerability from cvelistv5 – Published: 2026-05-20 05:45 – Updated: 2026-05-20 12:21
VLAI
Summary
In memcached before 1.6.42, password data for SASL password database authentication has a timing side channel because memcmp is used by sasl_server_userdb_checkpass.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-208 - Observable Timing Discrepancy
Assigner
References
Impacted products
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CVE-2026-47783 (GCVE-0-2026-47783)
Vulnerability from cvelistv5 – Published: 2026-05-20 05:43 – Updated: 2026-05-20 12:49
VLAI
Summary
In memcached before 1.6.42, username data for SASL password database authentication has a timing side channel because a loop exits as soon as a valid username is found by sasl_server_userdb_checkpass.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-208 - Observable Timing Discrepancy
Assigner
References
Impacted products
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CVE-2023-46853 (GCVE-0-2023-46853)
Vulnerability from cvelistv5 – Published: 2023-10-27 00:00 – Updated: 2024-09-09 15:31
VLAI
Summary
In Memcached before 1.6.22, an off-by-one error exists when processing proxy requests in proxy mode, if \n is used instead of \r\n.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
Impacted products
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CVE-2023-46852 (GCVE-0-2023-46852)
Vulnerability from cvelistv5 – Published: 2023-10-27 00:00 – Updated: 2024-09-09 15:36
VLAI
Summary
In Memcached before 1.6.22, a buffer overflow exists when processing multiget requests in proxy mode, if there are many spaces after the "get" substring.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
Impacted products
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CVE-2022-48571 (GCVE-0-2022-48571)
Vulnerability from cvelistv5 – Published: 2023-08-22 00:00 – Updated: 2024-10-03 14:07
VLAI
Summary
memcached 1.6.7 allows a Denial of Service via multi-packet uploads in UDP.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
2 references
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CVE-2020-22570 (GCVE-0-2020-22570)
Vulnerability from cvelistv5 – Published: 2023-08-22 00:00 – Updated: 2024-10-03 18:05
VLAI
Summary
Memcached 1.6.0 before 1.6.3 allows remote attackers to cause a denial of service (daemon crash) via a crafted meta command.
Severity
No CVSS data available.
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
Assigner
References
1 reference
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CVE-2021-37519 (GCVE-0-2021-37519)
Vulnerability from cvelistv5 – Published: 2023-02-03 00:00 – Updated: 2025-03-26 18:16
VLAI
Summary
Buffer Overflow vulnerability in authfile.c memcached 1.6.9 allows attackers to cause a denial of service via crafted authenticattion file.
Severity
5.5 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-787 - Out-of-bounds Write
Assigner
References
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CVE-2020-10931 (GCVE-0-2020-10931)
Vulnerability from cvelistv5 – Published: 2020-03-24 14:25 – Updated: 2024-08-04 11:21
VLAI
Summary
Memcached 1.6.x before 1.6.2 allows remote attackers to cause a denial of service (daemon crash) via a crafted binary protocol header to try_read_command_binary in memcached.c.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/memcached/memcached/issues/629 | x_refsource_MISC |
| https://github.com/memcached/memcached/commit/02c… | x_refsource_MISC |
| https://github.com/memcached/memcached/wiki/Relea… | x_refsource_MISC |
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CVE-2019-15026 (GCVE-0-2019-15026)
Vulnerability from cvelistv5 – Published: 2019-08-30 14:32 – Updated: 2024-08-05 00:34
VLAI
Summary
memcached 1.5.16, when UNIX sockets are used, has a stack-based buffer over-read in conn_to_str in memcached.c.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/memcached/memcached/wiki/Relea… | x_refsource_CONFIRM |
| https://github.com/memcached/memcached/commit/554… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2019… | mailing-listx_refsource_MLIST |
| https://usn.ubuntu.com/4125-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
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Date Public
2019-08-29 00:00
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CVE-2019-11596 (GCVE-0-2019-11596)
Vulnerability from cvelistv5 – Published: 2019-04-29 14:46 – Updated: 2024-08-04 22:55
VLAI
Summary
In memcached before 1.5.14, a NULL pointer dereference was found in the "lru mode" and "lru temp_ttl" commands. This causes a denial of service when parsing crafted lru command messages in process_lru_command in memcached.c.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://github.com/memcached/memcached/issues/474 | x_refsource_MISC |
| https://github.com/memcached/memcached/commit/d35… | x_refsource_MISC |
| https://github.com/memcached/memcached/compare/ee… | x_refsource_MISC |
| https://usn.ubuntu.com/3963-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
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CVE-2018-1000127 (GCVE-0-2018-1000127)
Vulnerability from cvelistv5 – Published: 2018-03-13 21:00 – Updated: 2024-08-05 12:33
VLAI
Summary
memcached version prior to 1.4.37 contains an Integer Overflow vulnerability in items.c:item_free() that can result in data corruption and deadlocks due to items existing in hash table being reused from free list. This attack appear to be exploitable via network connectivity to the memcached service. This vulnerability appears to have been fixed in 1.4.37 and later.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://access.redhat.com/errata/RHSA-2018:2290 | vendor-advisoryx_refsource_REDHAT |
| https://lists.debian.org/debian-lts-announce/2018… | mailing-listx_refsource_MLIST |
| https://github.com/memcached/memcached/commit/a8c… | x_refsource_CONFIRM |
| https://usn.ubuntu.com/3601-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://www.debian.org/security/2018/dsa-4218 | vendor-advisoryx_refsource_DEBIAN |
| https://github.com/memcached/memcached/wiki/Relea… | x_refsource_CONFIRM |
| https://github.com/memcached/memcached/issues/271 | x_refsource_CONFIRM |
Date Public
2018-03-13 00:00
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CVE-2018-1000115 (GCVE-0-2018-1000115)
Vulnerability from cvelistv5 – Published: 2018-03-05 14:00 – Updated: 2024-08-05 12:33
VLAI
Summary
Memcached version 1.5.5 contains an Insufficient Control of Network Message Volume (Network Amplification, CWE-406) vulnerability in the UDP support of the memcached server that can result in denial of service via network flood (traffic amplification of 1:50,000 has been reported by reliable sources). This attack appear to be exploitable via network connectivity to port 11211 UDP. This vulnerability appears to have been fixed in 1.5.6 due to the disabling of the UDP protocol by default.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
15 references
Date Public
2018-03-02 00:00
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CVE-2017-9951 (GCVE-0-2017-9951)
Vulnerability from cvelistv5 – Published: 2017-07-17 06:00 – Updated: 2024-08-05 17:24
VLAI
Summary
The try_read_command function in memcached.c in memcached before 1.4.39 allows remote attackers to cause a denial of service (segmentation fault) via a request to add/set a key, which makes a comparison between signed and unsigned int and triggers a heap-based buffer over-read. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-8705.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://usn.ubuntu.com/3588-1/ | vendor-advisoryx_refsource_UBUNTU |
| https://github.com/memcached/memcached/wiki/Relea… | x_refsource_MISC |
| http://www.securityfocus.com/bid/99874 | vdb-entryx_refsource_BID |
| https://www.debian.org/security/2018/dsa-4218 | vendor-advisoryx_refsource_DEBIAN |
| https://www.twistlock.com/2017/07/13/cve-2017-995… | x_refsource_MISC |
| https://groups.google.com/forum/message/raw?msg=m… | x_refsource_MISC |
Date Public
2017-07-17 00:00
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CVE-2016-8706 (GCVE-0-2016-8706)
Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-06 02:27
VLAI
Summary
An integer overflow in process_bin_sasl_auth function in Memcached, which is responsible for authentication commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.
Severity
8.1 (High)
CWE
- integer overflow
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://security.gentoo.org/glsa/201701-12 | vendor-advisoryx_refsource_GENTOO |
| http://www.debian.org/security/2016/dsa-3704 | vendor-advisoryx_refsource_DEBIAN |
| http://rhn.redhat.com/errata/RHSA-2016-2819.html | vendor-advisoryx_refsource_REDHAT |
| http://www.securityfocus.com/bid/94083 | vdb-entryx_refsource_BID |
| http://www.securitytracker.com/id/1037333 | vdb-entryx_refsource_SECTRACK |
| http://www.talosintelligence.com/reports/TALOS-20… | x_refsource_MISC |
Date Public
2016-10-31 00:00
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CVE-2016-8704 (GCVE-0-2016-8704)
Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-06 02:27
VLAI
Summary
An integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.
Severity
9.8 (Critical)
CWE
- integer overflow
Assigner
References
8 references
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|---|---|
| https://security.gentoo.org/glsa/201701-12 | vendor-advisoryx_refsource_GENTOO |
| http://www.debian.org/security/2016/dsa-3704 | vendor-advisoryx_refsource_DEBIAN |
| http://rhn.redhat.com/errata/RHSA-2016-2819.html | vendor-advisoryx_refsource_REDHAT |
| http://www.securityfocus.com/bid/94083 | vdb-entryx_refsource_BID |
| http://rhn.redhat.com/errata/RHSA-2016-2820.html | vendor-advisoryx_refsource_REDHAT |
| https://access.redhat.com/errata/RHSA-2017:0059 | vendor-advisoryx_refsource_REDHAT |
| http://www.securitytracker.com/id/1037333 | vdb-entryx_refsource_SECTRACK |
| http://www.talosintelligence.com/reports/TALOS-20… | x_refsource_MISC |
Date Public
2016-10-31 00:00
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CVE-2016-8705 (GCVE-0-2016-8705)
Vulnerability from cvelistv5 – Published: 2017-01-06 21:00 – Updated: 2024-08-06 02:27
VLAI
Summary
Multiple integer overflows in process_bin_update function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.
Severity
9.8 (Critical)
CWE
- multiple integer overflows
Assigner
References
8 references
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|---|---|
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| https://access.redhat.com/errata/RHSA-2017:0059 | vendor-advisoryx_refsource_REDHAT |
| http://www.securitytracker.com/id/1037333 | vdb-entryx_refsource_SECTRACK |
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Date Public
2016-10-31 00:00
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CVE-2013-7291 (GCVE-0-2013-7291)
Vulnerability from cvelistv5 – Published: 2014-01-13 21:00 – Updated: 2024-08-06 18:01
VLAI
Summary
memcached before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (crash) via a request that triggers an "unbounded key print" during logging, related to an issue that was "quickly grepped out of the source tree," a different vulnerability than CVE-2013-0179 and CVE-2013-7290.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://code.google.com/p/memcached/wiki/ReleaseN… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/64989 | vdb-entryx_refsource_BID |
| https://code.google.com/p/memcached/issues/detail… | x_refsource_CONFIRM |
Date Public
2013-12-20 00:00
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CVE-2013-7290 (GCVE-0-2013-7290)
Vulnerability from cvelistv5 – Published: 2014-01-13 21:00 – Updated: 2024-08-06 18:01
VLAI
Summary
The do_item_get function in items.c in memcached 1.4.4 and other versions before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (segmentation fault) via a request to delete a key, which does not account for the lack of a null terminator in the key and triggers a buffer over-read when printing to stderr, a different vulnerability than CVE-2013-0179.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://code.google.com/p/memcached/wiki/ReleaseN… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/64988 | vdb-entryx_refsource_BID |
| https://code.google.com/p/memcached/issues/detail… | x_refsource_CONFIRM |
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CVE-2013-0179 (GCVE-0-2013-0179)
Vulnerability from cvelistv5 – Published: 2014-01-13 21:00 – Updated: 2024-08-06 14:18
VLAI
Summary
The process_bin_delete function in memcached.c in memcached 1.4.4 and other versions before 1.4.17, when running in verbose mode, allows remote attackers to cause a denial of service (segmentation fault) via a request to delete a key, which does not account for the lack of a null terminator in the key and triggers a buffer over-read when printing to stderr.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
9 references
| URL | Tags |
|---|---|
| https://code.google.com/p/memcached/issues/attach… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2013/01/14/4 | mailing-listx_refsource_MLIST |
| https://code.google.com/p/memcached/wiki/ReleaseN… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2013/01/14/6 | mailing-listx_refsource_MLIST |
| http://www.ubuntu.com/usn/USN-2080-1 | vendor-advisoryx_refsource_UBUNTU |
| https://code.google.com/p/memcached/issues/detail… | x_refsource_CONFIRM |
| http://secunia.com/advisories/56183 | third-party-advisoryx_refsource_SECUNIA |
| http://www.securityfocus.com/bid/64978 | vdb-entryx_refsource_BID |
| https://bugzilla.redhat.com/show_bug.cgi?id=895054 | x_refsource_CONFIRM |
Date Public
2013-01-08 00:00
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CVE-2013-7239 (GCVE-0-2013-7239)
Vulnerability from cvelistv5 – Published: 2014-01-13 21:00 – Updated: 2024-08-06 18:01
VLAI
Summary
memcached before 1.4.17 allows remote attackers to bypass authentication by sending an invalid request with SASL credentials, then sending another request with incorrect SASL credentials.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| http://www.securityfocus.com/bid/64559 | vdb-entryx_refsource_BID |
| https://code.google.com/p/memcached/wiki/ReleaseN… | x_refsource_CONFIRM |
| http://seclists.org/oss-sec/2013/q4/572 | mailing-listx_refsource_MLIST |
| http://www.ubuntu.com/usn/USN-2080-1 | vendor-advisoryx_refsource_UBUNTU |
| http://www.debian.org/security/2014/dsa-2832 | vendor-advisoryx_refsource_DEBIAN |
| http://secunia.com/advisories/56183 | third-party-advisoryx_refsource_SECUNIA |
Date Public
2013-12-20 00:00
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CVE-2011-4971 (GCVE-0-2011-4971)
Vulnerability from cvelistv5 – Published: 2013-12-12 18:00 – Updated: 2024-08-07 00:23
VLAI
Summary
Multiple integer signedness errors in the (1) process_bin_sasl_auth, (2) process_bin_complete_sasl_auth, (3) process_bin_update, and (4) process_bin_append_prepend functions in Memcached 1.4.5 and earlier allow remote attackers to cause a denial of service (crash) via a large body length value in a packet.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://insecurety.net/?p=872 | x_refsource_MISC |
| http://www.mandriva.com/security/advisories?name=… | vendor-advisoryx_refsource_MANDRIVA |
| https://code.google.com/p/memcached/issues/detail… | x_refsource_MISC |
| http://www.ubuntu.com/usn/USN-2080-1 | vendor-advisoryx_refsource_UBUNTU |
| http://www.securityfocus.com/bid/59567 | vdb-entryx_refsource_BID |
| https://puppet.com/security/cve/cve-2011-4971 | x_refsource_CONFIRM |
| http://www.debian.org/security/2014/dsa-2832 | vendor-advisoryx_refsource_DEBIAN |
| http://secunia.com/advisories/56183 | third-party-advisoryx_refsource_SECUNIA |
Date Public
2011-03-15 00:00
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"x_refsource_MISC"
],
"url": "http://insecurety.net/?p=872"
},
{
"name": "MDVSA-2013:280",
"tags": [
"vendor-advisory",
"x_refsource_MANDRIVA"
],
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:280"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "https://code.google.com/p/memcached/issues/detail?id=192"
},
{
"name": "USN-2080-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "http://www.ubuntu.com/usn/USN-2080-1"
},
{
"name": "59567",
"tags": [
"vdb-entry",
"x_refsource_BID"
],
"url": "http://www.securityfocus.com/bid/59567"
},
{
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://puppet.com/security/cve/cve-2011-4971"
},
{
"name": "DSA-2832",
"tags": [
"vendor-advisory",
"x_refsource_DEBIAN"
],
"url": "http://www.debian.org/security/2014/dsa-2832"
},
{
"name": "56183",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA"
],
"url": "http://secunia.com/advisories/56183"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2011-4971",
"datePublished": "2013-12-12T18:00:00.000Z",
"dateReserved": "2011-12-23T00:00:00.000Z",
"dateUpdated": "2024-08-07T00:23:39.289Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}