CVE-2023-29583

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-04-24 · updated 2026-06-17
Weakness: CWE-787

Description

yasm 1.3.0.55.g101bc was discovered to contain a stack overflow via the function parse_expr5 at /nasm/nasm-parse.c. Note: This has been disputed by third parties who argue this is a bug and not a security issue because yasm is a standalone program not designed to run untrusted code.

Affected products

Yasm Project Yasm: 1.3.0.55.g101bc

References

https://github.com/yasm/yasm/issues/218
https://github.com/z1r00/fuzz_vuln/blob/main/yasm/stack-overflow/parse_expr5/readme.md
https://github.com/yasm/yasm/issues/218
https://github.com/z1r00/fuzz_vuln/blob/main/yasm/stack-overflow/parse_expr5/readme.md

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