CVE-2023-24056

In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few hundred bytes can expand to one billion bytes.
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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CISA-ADPADP
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 4%
VendorProductVersion
pkgconfpkgconf
𝑥
≤ 1.9.3
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
pkgconf
bullseye
no-dsa
buster
no-dsa
bookworm
1.8.1-1
fixed
trixie
1.8.1-4
fixed
sid
1.8.1-4
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
pkgconf
oracular
not-affected
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
ignored
jammy
needs-triage
focal
needs-triage
bionic
needs-triage
xenial
needs-triage
trusty
ignored
Common Weakness Enumeration
References
https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059
https://github.com/pkgconf/pkgconf/tags
https://nullprogram.com/blog/2023/01/18/
https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059
https://github.com/pkgconf/pkgconf/tags
https://nullprogram.com/blog/2023/01/18/