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).
6108 vulnerabilities reference this CWE, most recent first.
CVE-2026-59181 (GCVE-0-2026-59181)
Vulnerability from cvelistv5 – Published: 2026-09-18 15:35 – Updated: 2026-09-18 16:52
VLAI
EPSS
VEX
Title
OpenImageIO: Stack buffer overflow in OpenImageIO Cineon reader via unchecked numberOfElements
Summary
OpenImageIO is a toolset for reading, writing, and manipulating image files of any image file format relevant to VFX / animation. Prior to 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1, A crafted cineon file can supply a numberofelements value greater than the format maximum of eight. cineoninput::open() uses that unchecked value as the loop bound while filling the fixed strings[8] array, writing pointers beyond the stack buffer and into adjacent state, resulting in memory corruption and denial of service. The affected implementation is identified by src/cineon.imageio/cineoninput.cpp, CineonInput::open(), numberOfElements, and strings[8], which define the relevant source path, functions, state, and trigger. This issue is fixed in versions 3.0.20.0, 3.1.15.0, and 3.2.0.3-beta1.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-18 16:51 UTC
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/AcademySoftwareFoundation/Open… | x_refsource_CONFIRM |
| https://github.com/AcademySoftwareFoundation/Open… | x_refsource_MISC |
| https://github.com/AcademySoftwareFoundation/Open… | x_refsource_MISC |
| https://github.com/AcademySoftwareFoundation/Open… | x_refsource_MISC |
| https://github.com/AcademySoftwareFoundation/Open… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AcademySoftwareFoundation | OpenImageIO |
Affected:
< 3.0.20.0
Affected: >= 3.1.0.0, < 3.1.15.0 Affected: >= 3.2.0.0-dev, < 3.2.0.3-beta1 |
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CVE-2026-59144 (GCVE-0-2026-59144)
Vulnerability from cvelistv5 – Published: 2026-07-21 19:04 – Updated: 2026-07-22 19:33
VLAI
EPSS
VEX
Title
Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elem_size in ring_read_seq
Summary
Data::RingBuffer::Shared versions before 0.04 for Perl allow a stack buffer overflow via an unvalidated elem_size in ring_read_seq.
The attach-time validator ring_validate_header checks the capacity-overflow and total_size consistency of the header but never caps elem_size against the destination size. ring_read_seq does memcpy(out, ring_slot(h, seq), elem_size) with elem_size read raw from the mmap'd segment, copying into a fixed 8-byte destination scalar. An elem_size larger than 8 bytes writes past the destination.
A local peer that can write the backing file can leave the header valid while setting a large elem_size, so the next read copies a file-controlled length into the fixed 8-byte stack buffer, corrupting adjacent stack frames.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 19:33 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| EGOR | Data::RingBuffer::Shared |
Affected:
0 , < 0.04
(custom)
|
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CVE-2026-59086 (GCVE-0-2026-59086)
Vulnerability from cvelistv5 – Published: 2026-08-11 12:20 – Updated: 2026-08-13 09:28
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in Simcenter Femap (All versions < V2606), Simcenter Nastran (All versions < V2606). The affected applications contain a stack overflow vulnerability while parsing specially strings as argument for one of the application binaries. This could allow an attacker to execute code in the context of the current process.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-11 14:49 UTC
CWE
- CWE-121 - Stack-based Buffer Overflow
Assigner
References
1 reference
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | Simcenter Femap |
Affected:
0 , < V2606
(custom)
|
|
| Siemens | Simcenter Nastran |
Affected:
0 , < V2606
(custom)
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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: 2026-10-01 17:03
VLAI
EPSS
VEX
Title
Apache Traffic Server: uri_signing and url_sig plugins can exhaust the stack or crash
Summary
The Apache Traffic Server uri_signing and url_sig plugins can exhaust the stack or crash on attacker input.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, 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 |
Impacted products
1 product
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Affected:
8.0.0 , ≤ 8.1.11
(semver)
Affected: 9.0.0 , ≤ 9.2.14 (semver) Affected: 10.0.0 , ≤ 10.1.3 (semver) |
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CVE-2026-58180 (GCVE-0-2026-58180)
Vulnerability from cvelistv5 – Published: 2026-07-29 08:45 – Updated: 2026-10-01 17:02
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 8.1.11, 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 , ≤ 8.1.11
(semver)
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CVE-2026-58179 (GCVE-0-2026-58179)
Vulnerability from cvelistv5 – Published: 2026-07-29 08:44 – Updated: 2026-10-01 17:02
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 8.1.11, 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
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|---|---|---|---|
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Affected:
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CVE-2026-58158 (GCVE-0-2026-58158)
Vulnerability from cvelistv5 – Published: 2026-07-29 08:26 – Updated: 2026-10-01 16:59
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 8.1.11, 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
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|---|---|---|---|
| Apache Software Foundation | Apache Traffic Server |
Affected:
8.0.0 , ≤ 8.1.11
(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-2026-58008 (GCVE-0-2026-58008)
Vulnerability from cvelistv5 – Published: 2026-09-24 14:52 – Updated: 2026-09-24 15:01
VLAI
EPSS
VEX
Title
Unchecked HKDF key-size input in EL3 causes a stack buffer overflow
Summary
Stack-based buffer overflow vulnerability in Altera Trusted Firmware on HPS allows Exploitation of Improperly Configured or Implemented Memory Protections.
This issue affects Trusted Firmware: through socfpga_v2.14.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-24 15:01 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Altera | Trusted Firmware |
Affected:
0 , ≤ socfpga_v2.14.0
(custom)
cpe:2.3:a:altera:trusted_firmware:*:*:arm:*:*:*:*:* |
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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.