pkgconf: In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkg...
CVE-2023-24056 is fixed in 8 products on 1 platform, first by DEBIAN-CVE-2023-24056, released January 22, 2023. It is not reported as exploited. Patch Radar priority: Routine.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| libpkgconf · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
| libpkgconf-debuginfo · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
| libpkgconf-devel · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
| pkgconf · Debian 12.15 (bookworm) | 1.8.1-1 | DEBIAN-CVE-2023-24056 | Jan 22, 2023 |
| pkgconf · Debian 13.5 (trixie) | 1.8.1-1 | DEBIAN-CVE-2023-24056 | Jan 22, 2023 |
| pkgconf · Debian 14 | 1.8.1-1 | DEBIAN-CVE-2023-24056 | Jan 22, 2023 |
| pkgconf · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
| pkgconf-debuginfo · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
| pkgconf-debugsource · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
| pkgconf-m4 · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
| pkgconf-pkg-config · amzn 2023 | 1.8.0-4.amzn2023.0.2 | ALAS2023-2023-159 | Apr 13, 2023 |
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