CVE-2023-2603
At a glance
- Severity
- HIGH 7.8
- EPSS
- EPSS 0.58 % · percentile 47 (2026-10-27)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
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.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | CISA-ADP |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2023-34077
- GCVE · GCVE-0-2023-2603
CERT-FR advisories
- CERTFR-2026-AVI-1385 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2026-AVI-0218 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-1057 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0969 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0855 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0756 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0297 — Multiples vulnérabilités dans Juniper · cert.ssi.gouv.fr
- CERTFR-2023-AVI-0957 — Multiples vulnérabilités dans le noyau Linux de RedHat · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:libcap_project:libcap:*:*:*:*:*:*:*:*< 2.69cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| libcap | affected NA |
References
- https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf
- https://bugzilla.redhat.com/show_bug.cgi?id=2209113
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPEGCFMCN5KGCFX5Y2VTKR732TTD4ADW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ57ICDLMVYEREXQGZWL4GWI7FRJCRQT/
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |