VULNERABILITY INTELLIGENCE

CVE-2023-24056

CVSS score5.5 MEDIUM

EPSS probability0.56%

CISA KEVNot currently listed

Published2023-01-22

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

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.

Weakness classification

nvd@nist.gov: NVD-CWE-Other
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-787

Primary references

cve@mitre.org — Patch, Third Party Advisory
cve@mitre.org — Release Notes, Third Party Advisory
cve@mitre.org — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Release Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory