CVE-2023-31974

5.5 mediumEPSS 0.3%

Medium (5.5) in tortall yasm. EPSS 0.3% chance of exploitation in the next 30 days.

yasm v1.3.0 was discovered to contain a use after free via the function error at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-416
Published: 2023-05-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

tortall:yasm

References

https://github.com/yasm/yasm/issues/208
https://github.com/yasm/yasm/issues/208

Check your stack JSON