CVE-2023-31973

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
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CISA-ADPADP
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVEADP
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---
Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
VendorProductVersion
tortallyasm
1.3.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
yasm
bullseye
unimportant
bookworm
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
yasm
noble
not-affected
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
ignored
Common Weakness Enumeration
References
https://github.com/yasm/yasm/issues/207
https://github.com/yasm/yasm/issues/207