Cyber Resilience

CVE-2023-49558

MediumPublic PoC

Published: 03 January 2024

Published
03 January 2024
Modified
03 June 2025
KEV Added
—
Patch
—
CVSS Score v3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0023 46.1th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-49558 is a medium-severity an unspecified weakness vulnerability in Yasm Project Yasm. Its CVSS base score is 5.5 (Medium).

Operationally, ranked at the 46.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue in YASM 1.3.0.86.g9def allows a remote attacker to cause a denial of service via the expand_mmac_params function in the modules/preprocs/nasm/nasm-pp.c component.

CWE(s)
NVD-CWE-noinfo

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

yasm project
yasm
1.3.0.86.g9def

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References