CVE-2023-31973 — Missing Release of Memory after Effective Lifetime in Yasm

CWE-401 — Missing Release of Memory after Effective LifetimeCWE-590 — Free of Memory not on the Heap5 documents4 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 91.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Tortall YasmDebian Yasm
Timeline
PublishedMay 9

Description

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

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶debiandebian/yasm
▶NVDtortall/yasm1.3.0

🔴Vulnerability Details

3
OSV
CVE-2023-31973: yasm v1↗2023-05-09
▶
GHSA
GHSA-wj4m-72r4-qcmm: yasm v1↗2023-05-09
▶
OSV
CVE-2023-31973: ** DISPUTED ** yasm v1↗2023-05-09
▶

📋Vendor Advisories

1
Debian
CVE-2023-31973: yasm - yasm v1.3.0 was discovered to contain a use after free via the function expand_m...↗2023
▶
CVE-2023-31973 — Tortall Yasm vulnerability | cvebase