CVE catalog

CVE-2023-24056

pkgconf: CVE-2023-24056

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Jan 22, 2023, 4:15:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.56% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	pkgconf	sid	`2.5.1-4`	fixed
Debian	pkgconf	forky	`2.5.1-4`	fixed
Debian	pkgconf	trixie	`1.8.1-4`	fixed
Debian	pkgconf	bookworm	`1.8.1-1`	fixed
Alpine	pkgconf	3.14	`1.7.4-r1`	fixed
Alpine	pkgconf	3.15	`1.8.1-r0`	fixed
Alpine	pkgconf	3.16	`1.8.1-r0`	fixed
Alpine	pkgconf	3.17	`1.9.4-r0`	fixed
Alpine	pkgconf	3.18	`1.9.4-r0`	fixed
Alpine	pkgconf	3.19	`1.9.4-r0`	fixed
Alpine	pkgconf	3.20	`1.9.4-r0`	fixed
Alpine	pkgconf	3.21	`1.9.4-r0`	fixed
Alpine	pkgconf	3.22	`1.9.4-r0`	fixed
Alpine	pkgconf	3.23	`1.9.4-r0`	fixed
Alpine	pkgconf	3.24	`1.9.4-r0`	fixed
Ubuntu	pkgconf	16.04	`0.9.12-1`	vulnerable
Ubuntu	pkgconf	18.04	`0.9.12-6`	vulnerable
Ubuntu	pkgconf	20.04	`1.6.3-4`	vulnerable
Ubuntu	pkgconf	20.04	`1.6.3-5`	vulnerable
Ubuntu	pkgconf	22.04	`1.7.4~git20210206+dcf529b-3`	vulnerable
Ubuntu	pkgconf	22.04	`1.8.0-1`	vulnerable
Opensuse	pkgconf	leap 15.4	`1.8.0-150400.3.3.1`	fixed
Suse	pkgconf	package hub 15 sp3	`1.5.3-bp153.2.3.1`	fixed
Opensuse	pkgconf	leap 15.3	`1.5.3-bp153.2.3.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	pkgconf	source	sid	`1.8.1-1`	not yet assigned	Not reported	Not reported
Debian	pkgconf	source	forky	`1.8.1-1`	not yet assigned	Not reported	Not reported
Debian	pkgconf	source	trixie	`1.8.1-1`	not yet assigned	Not reported	Not reported
Debian	pkgconf	source	bookworm	`1.8.1-1`	not yet assigned	Not reported	Not reported
Alpine	pkgconf	apk	3.14	`1.7.4-r1`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.15	`1.8.1-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.16	`1.8.1-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.17	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.18	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.19	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.20	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.21	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.22	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.23	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Alpine	pkgconf	apk	3.24	`1.9.4-r0`	Not reported	ALPINE-CVE-2023-24056	Not reported
Opensuse	pkgconf	rpm	leap 15.4	`1.8.0-150400.3.3.1`	Not reported	SUSE-SU-2023:0611-1	Not reported
Suse	pkgconf	rpm	package hub 15 sp3	`1.5.3-bp153.2.3.1`	Not reported	OPENSUSE-SU-2023:0043-1	Not reported
Opensuse	pkgconf	rpm	leap 15.3	`1.5.3-bp153.2.3.1`	Not reported	OPENSUSE-SU-2023:0043-1	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]