Common Weakness Enumeration
CWE-787
Allowed-with-ReviewOut-of-bounds Write
Abstraction: Base · Status: Draft
The product writes data past the end, or before the beginning, of the intended buffer.
15143 vulnerabilities reference this CWE, most recent first.
CVE-2017-2620 (GCVE-0-2017-2620)
Vulnerability from cvelistv5 – Published: 2018-07-27 19:00 – Updated: 2024-08-05 14:02
VLAI
EPSS
VEX
Summary
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Severity
5.5 (Medium)
CWE
Assigner
References
23 references
Date Public
2017-02-21 00:00
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CVE-2017-2615 (GCVE-0-2017-2615)
Vulnerability from cvelistv5 – Published: 2018-07-02 18:00 – Updated: 2024-08-05 14:02
VLAI
EPSS
VEX
Summary
Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA emulator support is vulnerable to an out-of-bounds access issue. It could occur while copying VGA data via bitblt copy in backward mode. A privileged user inside a guest could use this flaw to crash the QEMU process resulting in DoS or potentially execute arbitrary code on the host with privileges of QEMU process on the host.
Severity
5.5 (Medium)
CWE
Assigner
References
21 references
Date Public
2017-01-24 00:00
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CVE-2017-2581 (GCVE-0-2017-2581)
Vulnerability from cvelistv5 – Published: 2018-07-27 18:00 – Updated: 2024-08-05 13:55
VLAI
EPSS
VEX
Summary
An out-of-bounds write vulnerability was found in netpbm before 10.61. A maliciously crafted file could cause the application to crash or possibly allow code execution.
Severity
4.5 (Medium)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| http://www.securityfocus.com/bid/96710 | vdb-entryx_refsource_BID |
Date Public
2018-07-27 00:00
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CVE-2017-2580 (GCVE-0-2017-2580)
Vulnerability from cvelistv5 – Published: 2018-07-27 18:00 – Updated: 2024-08-05 13:55
VLAI
EPSS
VEX
Summary
An out-of-bounds write vulnerability was found in netpbm before 10.61. A maliciously crafted file could cause the application to crash or possibly allow code execution.
Severity
4.5 (Medium)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
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| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
Date Public
2018-07-27 00:00
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CVE-2016-20050 (GCVE-0-2016-20050)
Vulnerability from cvelistv5 – Published: 2026-04-04 13:50 – Updated: 2026-04-06 16:43
VLAI
EPSS
VEX
Title
NetSchedScan 1.0 Buffer Overflow Denial of Service
Summary
NetSchedScan 1.0 contains a buffer overflow vulnerability in the scan Hostname/IP field that allows local attackers to crash the application by supplying an oversized input string. Attackers can paste a crafted payload containing 388 bytes of data followed by 4 bytes of EIP overwrite into the Hostname/IP field to trigger a denial of service condition.
Severity
6.2 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/39242 | exploit |
| https://www.vulncheck.com/advisories/netschedscan… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foundstone | NetSchedScan |
Affected:
1.0
|
Date Public
2016-01-16 00:00
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CVE-2016-20049 (GCVE-0-2016-20049)
Vulnerability from cvelistv5 – Published: 2026-03-28 11:58 – Updated: 2026-03-30 14:53
VLAI
EPSS
VEX
Title
JAD 1.5.8e-1kali1 Stack-Based Buffer Overflow Remote Code Execution
Summary
JAD 1.5.8e-1kali1 and prior contains a stack-based buffer overflow vulnerability that allows attackers to execute arbitrary code by supplying oversized input that exceeds buffer boundaries. Attackers can craft malicious input strings exceeding 8150 bytes to overflow the stack, overwrite return addresses, and execute shellcode in the application context.
Severity
9.8 (Critical)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/42076 | exploit |
| http://www.varaneckas.com/jad/ | product |
| https://www.vulncheck.com/advisories/jad-8e-1kali… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Varaneckas | JAD Java Decompiler |
Affected:
1.5.8e-1kali1
|
Date Public
2017-05-26 00:00
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CVE-2016-20047 (GCVE-0-2016-20047)
Vulnerability from cvelistv5 – Published: 2026-03-28 11:58 – Updated: 2026-03-30 17:30
VLAI
EPSS
VEX
Title
EKG Gadu 1.9 Local Buffer Overflow via Username Parameter
Summary
EKG Gadu 1.9~pre+r2855-3+b1 contains a local buffer overflow vulnerability in the username handling that allows local attackers to execute arbitrary code by supplying an oversized username string. Attackers can trigger the overflow in the strlcpy function by passing a crafted buffer exceeding 258 bytes to overwrite the instruction pointer and execute shellcode with user privileges.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/40392 | exploit |
| http://ekg.chmurka.net/ | product |
| https://www.vulncheck.com/advisories/ekg-gadu-loc… | third-party-advisory |
Date Public
2016-09-19 00:00
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CVE-2016-20046 (GCVE-0-2016-20046)
Vulnerability from cvelistv5 – Published: 2026-03-28 11:58 – Updated: 2026-04-01 13:58
VLAI
EPSS
VEX
Title
zFTP Client 20061220+dfsg3-4.1 Local Buffer Overflow
Summary
zFTP Client 20061220+dfsg3-4.1 contains a buffer overflow vulnerability in the NAME parameter handling of FTP connections that allows local attackers to crash the application or execute arbitrary code. Attackers can supply an oversized NAME value exceeding the 80-byte buffer allocated in strcpy_chk to overwrite the instruction pointer and execute shellcode with user privileges.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/40203 | exploit |
| http://cernlib.web.cern.ch/cernlib/ | product |
| https://www.vulncheck.com/advisories/zftp-client-… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zFTP | zFTP Client |
Affected:
20061220+dfsg3-4.1
|
Date Public
2016-08-05 00:00
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CVE-2016-20045 (GCVE-0-2016-20045)
Vulnerability from cvelistv5 – Published: 2026-03-28 11:58 – Updated: 2026-03-30 18:08
VLAI
EPSS
VEX
Title
HNB Organizer 1.9.18-10 Local Buffer Overflow via -rc Parameter
Summary
HNB Organizer 1.9.18-10 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -rc command-line parameter. Attackers can craft a malicious input string exceeding 108 bytes containing shellcode and a return address to overwrite the stack and achieve code execution.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/40025 | exploit |
| http://hnb.sourceforge.net/ | product |
| https://www.vulncheck.com/advisories/hnb-organize… | third-party-advisory |
Date Public
2016-06-27 00:00
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CVE-2016-20044 (GCVE-0-2016-20044)
Vulnerability from cvelistv5 – Published: 2026-03-28 11:58 – Updated: 2026-07-15 01:23
VLAI
EPSS
VEX
Title
PInfo 0.6.9-5.1 Local Buffer Overflow via -m Parameter
Summary
PInfo 0.6.9-5.1 contains a local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized argument to the -m parameter. Attackers can craft a malicious input string with 564 bytes of padding followed by a return address to overwrite the instruction pointer and execute shellcode with user privileges.
Severity
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/40023 | exploit |
| http://pinfo.alioth.debian.org/ | product |
| https://www.vulncheck.com/advisories/pinfo-local-… | third-party-advisory |
Date Public
2016-06-27 00:00
Credits
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Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, many languages that perform their own memory management, such as Java and Perl, are not subject to buffer overflows. Other languages, such as Ada and C#, typically provide overflow protection, but the protection can be disabled by the programmer.
- Be wary that a language's interface to native code may still be subject to overflows, even if the language itself is theoretically safe.
Mitigation MIT-4.1
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- Examples include the Safe C String Library (SafeStr) by Messier and Viega [REF-57], and the Strsafe.h library from Microsoft [REF-56]. These libraries provide safer versions of overflow-prone string-handling functions.
Mitigation MIT-10
Operation
Build and Compilation
Strategy: Environment Hardening
- Use automatic buffer overflow detection mechanisms that are offered by certain compilers or compiler extensions. Examples include: the Microsoft Visual Studio /GS flag, Fedora/Red Hat FORTIFY_SOURCE GCC flag, StackGuard, and ProPolice, which provide various mechanisms including canary-based detection and range/index checking.
- D3-SFCV (Stack Frame Canary Validation) from D3FEND [REF-1334] discusses canary-based detection in detail.
Mitigation MIT-9
Implementation
- Consider adhering to the following rules when allocating and managing an application's memory:
- Double check that the buffer is as large as specified.
- When using functions that accept a number of bytes to copy, such as strncpy(), be aware that if the destination buffer size is equal to the source buffer size, it may not NULL-terminate the string.
- Check buffer boundaries if accessing the buffer in a loop and make sure there is no danger of writing past the allocated space.
- If necessary, truncate all input strings to a reasonable length before passing them to the copy and concatenation functions.
Mitigation MIT-11
Operation
Build and Compilation
Strategy: Environment Hardening
- Run or compile the software using features or extensions that randomly arrange the positions of a program's executable and libraries in memory. Because this makes the addresses unpredictable, it can prevent an attacker from reliably jumping to exploitable code.
- Examples include Address Space Layout Randomization (ASLR) [REF-58] [REF-60] and Position-Independent Executables (PIE) [REF-64]. Imported modules may be similarly realigned if their default memory addresses conflict with other modules, in a process known as "rebasing" (for Windows) and "prelinking" (for Linux) [REF-1332] using randomly generated addresses. ASLR for libraries cannot be used in conjunction with prelink since it would require relocating the libraries at run-time, defeating the whole purpose of prelinking.
- For more information on these techniques see D3-SAOR (Segment Address Offset Randomization) from D3FEND [REF-1335].
Mitigation MIT-12
Operation
Strategy: Environment Hardening
- Use a CPU and operating system that offers Data Execution Protection (using hardware NX or XD bits) or the equivalent techniques that simulate this feature in software, such as PaX [REF-60] [REF-61]. These techniques ensure that any instruction executed is exclusively at a memory address that is part of the code segment.
- For more information on these techniques see D3-PSEP (Process Segment Execution Prevention) from D3FEND [REF-1336].
Mitigation MIT-13
Implementation
Replace unbounded copy functions with analogous functions that support length arguments, such as strcpy with strncpy. Create these if they are not available.
No CAPEC attack patterns related to this CWE.