CVE-2019-9754

EUVD-2019-19117
An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 1 byte out of bounds write in the end_macro function in tccpp.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
Affected Products (NVD)
VendorProductVersion
tinycctinycc
0.9.27
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
tcc
bookworm
0.9.27+git20200814.62c30a4a-1
fixed
bullseye
0.9.27+git20200814.62c30a4a-1
fixed
buster
ignored
jessie
no-dsa
sid
0.9.27+git20200814.62c30a4a-2
fixed
stretch
ignored
trixie
0.9.27+git20200814.62c30a4a-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
tcc
bionic
needed
cosmic
ignored
disco
ignored
eoan
ignored
focal
needed
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
dne
xenial
needed
Common Weakness Enumeration
References
https://lists.nongnu.org/archive/html/tinycc-devel/2019-03/msg00038.html
https://lists.nongnu.org/archive/html/tinycc-devel/2019-03/msg00038.html