| Name | CVE-2023-2603 |
| Description | A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-4092-1 |
| Debian Bugs | 1036114 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libcap2 (PTS) | bullseye | 1:2.44-1 | vulnerable |
| bullseye (security) | 1:2.44-1+deb11u1 | fixed |
| bookworm | 1:2.66-4 | fixed |
| sid, trixie | 1:2.75-7 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - libcap2 <not-affected> (Vulnerable code introduced later)
https://sites.google.com/site/fullycapable/release-notes-for-libcap#h.iuvg7sbjg8pe
https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf
https://www.openwall.com/lists/oss-security/2023/05/15/4
Fixed by: https://git.kernel.org/pub/scm/libs/libcap/libcap.git/commit/?id=422bec25ae4a1ab03fd4d6f728695ed279173b18 (libcap-2.69)