CVE-2021-33462

An issue was discovered in yasm version 1.3.0. There is a use-after-free in expr_traverse_nodes_post() in libyasm/expr.c.
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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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
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
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
ignored
Common Weakness Enumeration
References
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
https://github.com/yasm/yasm/issues/165
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
https://github.com/yasm/yasm/issues/165