Common Weakness Enumeration
CWE-121
AllowedStack-based Buffer Overflow
Abstraction: Variant · Status: Draft
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
5520 vulnerabilities reference this CWE, most recent first.
CVE-2026-58303 (GCVE-0-2026-58303)
Vulnerability from cvelistv5 – Published: 2026-07-09 09:47 – Updated: 2026-07-09 12:17
VLAI
EPSS
VEX
Summary
Stack-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers.
This issue affects Escargot: before b30b63fc63b403907d8137da1c65aaa4521fe74e.
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-09 12:16 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Samsung Open Source | Escargot |
Affected:
0 , < b30b63fc63b403907d8137da1c65aaa4521fe74e
(git)
|
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CVE-2026-58181 (GCVE-0-2026-58181)
Vulnerability from cvelistv5 – Published: 2026-07-29 08:46 – Updated: 2026-07-29 12:17
VLAI
EPSS
VEX
Title
Apache Traffic Server: uri_signing and url_sig plugins can exhaust the stack or crash
Summary
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This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 12:17 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
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1 product
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| Apache Software Foundation | Apache Traffic Server |
Affected:
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(semver)
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CVE-2026-58180 (GCVE-0-2026-58180)
Vulnerability from cvelistv5 – Published: 2026-07-29 08:45 – Updated: 2026-07-29 13:30
VLAI
EPSS
VEX
Title
Apache Traffic Server: txn_box plugin overflows the stack from attacker input
Summary
The Apache Traffic Server txn_box plugin overflows the stack from attacker-controlled input.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 13:30 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
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|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58179 (GCVE-0-2026-58179)
Vulnerability from cvelistv5 – Published: 2026-07-29 08:44 – Updated: 2026-07-30 03:55
VLAI
EPSS
VEX
Title
Apache Traffic Server: regex_remap plugin overflows the stack from attacker input
Summary
The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
8.1 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 00:00 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
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CVE-2026-58158 (GCVE-0-2026-58158)
Vulnerability from cvelistv5 – Published: 2026-07-29 08:26 – Updated: 2026-07-29 12:15
VLAI
EPSS
VEX
Title
Apache Traffic Server: PROXY protocol parsing has port truncation and a stack overflow
Summary
Apache Traffic Server mishandles PROXY protocol input, truncating ports and overflowing the stack.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-29 12:15 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/5prl9glcm9g2swnq9… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.9
(semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver) Affected: 10.0.0 , ≤ 10.1.3 (semver) |
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CVE-2026-58082 (GCVE-0-2026-58082)
Vulnerability from cvelistv5 – Published: 2026-08-19 07:20 – Updated: 2026-08-26 19:42
VLAI
EPSS
VEX
Title
Stack based buffer overflow in iconv(3)
Summary
The ISO-2022 encoding module used a stack buffer sized to MB_LEN_MAX (6 bytes) for intermediate character output. Some ISO-2022 variants can require up to 10 bytes per character, in which case conversions can trigger a stack buffer overflow of up to four bytes.
An application that uses iconv(3) to convert untrusted input to or from one of the affected encodings may be vulnerable to buffer overflows if it uses one of the affected encoding modules.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 19:42 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.freebsd.org/advisories/FreeBSD-S… | vendor-advisory |
Impacted products
Date Public
2026-06-30 20:00
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CVE-2026-57881 (GCVE-0-2026-57881)
Vulnerability from cvelistv5 – Published: 2026-06-26 07:17 – Updated: 2026-06-26 16:08
VLAI
EPSS
VEX
Title
GV-LPC2011/LPC2211 - unauthorized stack-based buffer overflow vulnerability (vlsvr)
Summary
An unauthenticated
stack-based buffer overflow vulnerability exists in vlsvr in GeoVision
GV-LPC2011 and GV-LPC2211 V1.12 and earlier. The vulnerability is caused by
insufficient length validation when processing remote login data. A remote
attacker may exploit this vulnerability by sending crafted login data with
overly long input, resulting in memory corruption, denial of service, or potentially
arbitrary code execution.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 16:06 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GeoVision Inc. | GV-LPCLPC2011/2211 |
Affected:
1.12
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Date Public
2026-06-26 02:55
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CVE-2026-57880 (GCVE-0-2026-57880)
Vulnerability from cvelistv5 – Published: 2026-06-26 07:17 – Updated: 2026-06-26 17:11
VLAI
EPSS
VEX
Title
GV-LPC2011/LPC2211 - unauthorized buffer overflow via RTSP Digest username (ssvr)
Summary
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stack-based buffer overflow vulnerability exists in ssvr in GeoVision
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Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 17:10 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GeoVision Inc. | GV-LPCLPC2011/2211 |
Affected:
1.12
Unaffected: 1.13 cpe:2.3:a:geovision_inc.:gv-lpclpc2011_2211:1.12:*:linux:*:*:*:*:* |
Date Public
2026-06-26 02:55
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CVE-2026-57879 (GCVE-0-2026-57879)
Vulnerability from cvelistv5 – Published: 2026-06-26 07:17 – Updated: 2026-06-26 15:57
VLAI
EPSS
VEX
Title
GV-LPC2011/LPC2211 - unauthorized buffer overflow via AuthMode/AuthValue path (ssvr)
Summary
An unauthenticated
stack-based buffer overflow vulnerability exists in ssvr in GeoVision
GV-LPC2011 and GV-LPC2211 V1.12 and earlier. The vulnerability is caused by
insufficient bounds checking when processing RTSP custom authentication data. A
remote attacker may exploit this vulnerability by sending a crafted RTSP
request, resulting in memory corruption, denial of service, or potentially
arbitrary code execution.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 15:55 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GeoVision Inc. | GV-LPCLPC2011/2211 |
Affected:
1.12
Unaffected: 1.13 cpe:2.3:a:geovision_inc.:gv-lpclpc2011_2211:1.12:*:linux:*:*:*:*:* |
Date Public
2026-06-26 02:55
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CVE-2026-57878 (GCVE-0-2026-57878)
Vulnerability from cvelistv5 – Published: 2026-06-26 07:17 – Updated: 2026-06-26 15:46
VLAI
EPSS
VEX
Title
GV-LPC2011/LPC2211 - unauthorized buffer overflow vulnerability (thttpd)
Summary
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stack-based buffer overflow vulnerability exists in thttpd in GeoVision
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Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-26 15:43 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| GeoVision Inc. | GV-LPCLPC2011/2211 |
Affected:
1.12
Unaffected: 1.13 cpe:2.3:a:geovision_inc.:gv-lpclpc2011_2211:1.12:*:linux:*:*:*:*:* |
Date Public
2026-06-26 02:55
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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
Architecture and Design
Use an abstraction library to abstract away risky APIs. Not a complete solution.
Mitigation
Implementation
Implement and perform bounds checking on input.
Mitigation
Implementation
Do not use dangerous functions such as gets. Use safer, equivalent functions which check for boundary errors.
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].
No CAPEC attack patterns related to this CWE.