CVE-2023-31972
CVE-2023-31972 is a medium-severity vulnerability in Tortall Yasm with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Tortall Yasm
- Published:
- Last modified:
Description
yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.
Frequently asked questions
- What is CVE-2023-31972?
- yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.
- How severe is CVE-2023-31972?
- CVE-2023-31972 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2023-31972 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-31972?
- CVE-2023-31972 affects Tortall Yasm. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-31972?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-31972 published?
- CVE-2023-31972 was published on 2023-05-09 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:tortall:yasm:1.3.0:*:*:*:*:*:*:*
More vulnerabilities in Tortall Yasm
- CVE-2023-51258 — Medium (CVSS 5.5): A memory leak issue discovered in YASM v.1.3.0 allows a local attacker to cause a denial of service via the new_Token…
- CVE-2023-31973 — Medium (CVSS 5.5): yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c. Note:…
- CVE-2023-31974 — Medium (CVSS 5.5): yasm v1.3.0 was discovered to contain a use after free via the function error at /nasm/nasm-pp.c. Note: Multiple third…
- CVE-2021-33468 — Medium (CVSS 5.5): An issue was discovered in yasm version 1.3.0. There is a use-after-free in error() in modules/preprocs/nasm/nasm-pp.c.
- CVE-2021-33467 — Medium (CVSS 5.5): An issue was discovered in yasm version 1.3.0. There is a use-after-free in pp_getline() in…
- CVE-2021-33466 — Medium (CVSS 5.5): An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_smacro() in…
All CVEs affecting Tortall Yasm →
Other CWE-416 (Use After Free) vulnerabilities
- CVE-2026-13782 — Critical (CVSS 10.0): Use after free in Browser in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
- CVE-2026-4725 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149…
- CVE-2026-4688 — Critical (CVSS 10.0): Sandbox escape due to use-after-free in the Disability Access APIs component. This vulnerability was fixed in Firefox…
- CVE-2025-24085 — Critical (CVSS 10.0): A use after free issue was addressed with improved memory management. This issue is fixed in iOS 18.3 and iPadOS 18.3,…
- CVE-2024-43102 — Critical (CVSS 10.0): Concurrent removals of certain anonymous shared memory mappings by using the UMTX_SHM_DESTROY sub-request of…
- CVE-2021-32495 — Critical (CVSS 10.0): Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory…