CVEvulnerability
CVE-2023-24056
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2023-01-22
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-787
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.
Affected configurations
• pkgconf pkgconf (<= 1.9.3)
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059 Patch, Third Party Advisory
- https://github.com/pkgconf/pkgconf/tags Release Notes, Third Party Advisory
- https://nullprogram.com/blog/2023/01/18/ Exploit, Third Party Advisory
- https://gitea.treehouse.systems/ariadne/pkgconf/commit/628b2b2bafa5d3a2017193ddf375093e70666059 Patch, Third Party Advisory
- https://github.com/pkgconf/pkgconf/tags Release Notes, Third Party Advisory
- https://nullprogram.com/blog/2023/01/18/ Exploit, Third Party Advisory