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.
References (1)
Core 1
Core References
Exploit, Issue Tracking
https://github.com/yasm/yasm/issues/207
Scores
CVSS v3
5.5
EPSS
0.0031
EPSS Percentile
22.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-401
CWE-590
Status
published
Products (1)
tortall/yasm
1.3.0
Published
May 09, 2023
Tracked Since
Feb 18, 2026