CVE-2018-20376

An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 8 byte out of bounds write in the asm_parse_directive function in tccasm.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.0/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: 38%
VendorProductVersion
tinycctinycc
0.9.27
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tcc
bookworm
unimportant
bullseye
unimportant
sid
unimportant
trixie
unimportant
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tcc
noble
needs-triage
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needs-triage
impish
ignored
hirsute
ignored
groovy
ignored
focal
needs-triage
eoan
ignored
disco
ignored
cosmic
ignored
bionic
needs-triage
xenial
needs-triage
trusty
dne
Common Weakness Enumeration
References
https://lists.nongnu.org/archive/html/tinycc-devel/2018-12/msg00013.html
https://lists.nongnu.org/archive/html/tinycc-devel/2018-12/msg00013.html