Buffer overflow in Yasm Project

CVE-2023-29583

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.

Vulnerability class: Buffer Overflow

EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-29583?
CVE-2023-29583 is a medium-severity vulnerability in Yasm Project, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2023-04-24.
How severe is CVE-2023-29583?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-29583 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.