# CVE-2023-2603: libcap2: A vulnerability was found in libcap CVE-2023-2603 is fixed in 5 products on 1 platform, first by libcap2 1:2.25-1.2ubuntu0.1~esm1, released May 14, 2023. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-2603 - Priority: High - CVSS: 7.8 (Medium) - EPSS: 0.0058 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 14, 2023 ## 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. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libcap RHEL 8 | 0:2.48-5.el8_8 | [RHSA-2023:4524](https://patchblox.com/security/data/fix/linux/rhsa-2023-4524.md) | Aug 8, 2023 | | Linux | libcap RHEL 9 | 0:2.48-9.el9_2 | [RHSA-2023:5071](https://patchblox.com/security/data/fix/linux/rhsa-2023-5071.md) | Sep 12, 2023 | | Linux | libcap almalinux 8 | 2.48-5.el8_8 | [ALSA-2023:4524](https://patchblox.com/security/data/fix/linux/alsa-2023-4524.md) | Aug 8, 2023 | | Linux | libcap almalinux 9 | 2.48-9.el9_2 | [ALSA-2023:5071](https://patchblox.com/security/data/fix/linux/alsa-2023-5071.md) | Sep 12, 2023 | | Linux | libcap ol 8 | 0:2.48-5.el8_8 | [ELSA-2023-4524](https://patchblox.com/security/data/fix/linux/elsa-2023-4524.md) | Aug 9, 2023 | | Linux | libcap ol 9 | 0:2.48-9.el9_2 | [ELSA-2023-5071](https://patchblox.com/security/data/fix/linux/elsa-2023-5071.md) | Sep 13, 2023 | | Linux | libcap rocky 8 | 0:2.48-5.el8_8 | [RLSA-2023:4524](https://patchblox.com/security/data/fix/linux/rlsa-2023-4524.md) | Aug 24, 2023 | | Linux | libcap-devel RHEL 8 | 0:2.48-5.el8_8 | [RHSA-2023:4524](https://patchblox.com/security/data/fix/linux/rhsa-2023-4524.md) | Aug 8, 2023 | | Linux | libcap-devel RHEL 9 | 0:2.48-9.el9_2 | [RHSA-2023:5071](https://patchblox.com/security/data/fix/linux/rhsa-2023-5071.md) | Sep 12, 2023 | | Linux | libcap-devel almalinux 8 | 2.48-5.el8_8 | [ALSA-2023:4524](https://patchblox.com/security/data/fix/linux/alsa-2023-4524.md) | Aug 8, 2023 | | Linux | libcap-devel almalinux 9 | 2.48-9.el9_2 | [ALSA-2023:5071](https://patchblox.com/security/data/fix/linux/alsa-2023-5071.md) | Sep 12, 2023 | | Linux | libcap-devel ol 8 | 0:2.48-5.el8_8 | [ELSA-2023-4524](https://patchblox.com/security/data/fix/linux/elsa-2023-4524.md) | Aug 9, 2023 | | Linux | libcap-devel ol 9 | 0:2.48-9.el9_2 | [ELSA-2023-5071](https://patchblox.com/security/data/fix/linux/elsa-2023-5071.md) | Sep 13, 2023 | | Linux | libcap2 Debian 12.15 (bookworm) | 1:2.66-4 | [DEBIAN-CVE-2023-2603](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2603.md) | Jun 6, 2023 | | Linux | libcap2 Debian 13.5 (trixie) | 1:2.66-4 | [DEBIAN-CVE-2023-2603](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2603.md) | Jun 6, 2023 | | Linux | libcap2 Debian 14 | 1:2.66-4 | [DEBIAN-CVE-2023-2603](https://patchblox.com/security/data/fix/linux/debian-cve-2023-2603.md) | Jun 6, 2023 | | Linux | libcap2 Ubuntu 18.04.6 LTS (bionic) | 1:2.25-1.2ubuntu0.1~esm1 | [libcap2 1:2.25-1.2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcap2-1-2.25-1.2ubuntu0.1-esm1.md) | May 14, 2023 | | Linux | libcap2 Ubuntu 20.04 LTS (focal) | 1:2.32-1ubuntu0.1 | [libcap2 1:2.32-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcap2-1-2.32-1ubuntu0.1.md) | May 14, 2023 | | Linux | libcap2 Ubuntu 22.04.1 LTS (jammy) | 1:2.44-1ubuntu0.22.04.1 | [libcap2 1:2.44-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcap2-1-2.44-1ubuntu0.22.04.1.md) | May 14, 2023 | | Linux | libcap2-bin Ubuntu 18.04.6 LTS (bionic) | 1:2.25-1.2ubuntu0.1~esm1 | [libcap2-bin 1:2.25-1.2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcap2-bin-1-2.25-1.2ubuntu0.1-esm1.md) | May 14, 2023 | | Linux | libcap2-bin Ubuntu 20.04 LTS (focal) | 1:2.32-1ubuntu0.1 | [libcap2-bin 1:2.32-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcap2-bin-1-2.32-1ubuntu0.1.md) | May 14, 2023 | | Linux | libcap2-bin Ubuntu 22.04.1 LTS (jammy) | 1:2.44-1ubuntu0.22.04.1 | [libcap2-bin 1:2.44-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcap2-bin-1-2.44-1ubuntu0.22.04.1.md) | May 14, 2023 | | Linux | libpam-cap Ubuntu 18.04.6 LTS (bionic) | 1:2.25-1.2ubuntu0.1~esm1 | [libpam-cap 1:2.25-1.2ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpam-cap-1-2.25-1.2ubuntu0.1-esm1.md) | May 14, 2023 | | Linux | libpam-cap Ubuntu 20.04 LTS (focal) | 1:2.32-1ubuntu0.1 | [libpam-cap 1:2.32-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libpam-cap-1-2.32-1ubuntu0.1.md) | May 14, 2023 | | Linux | libpam-cap Ubuntu 22.04.1 LTS (jammy) | 1:2.44-1ubuntu0.22.04.1 | [libpam-cap 1:2.44-1ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libpam-cap-1-2.44-1ubuntu0.22.04.1.md) | May 14, 2023 | --- Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.