CVE-2023-2603

· HIGHModified

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CVSS v3.1

7.8

EPSS

0.57%

Published

Jun 6, 2023

Modified

Dec 2, 2025

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-190CWE-190

Affected Products (6)

libcap_project · libcap (up to 2.69)vulnerable

redhat · enterprise_linuxvulnerable

fedoraproject · fedoravulnerable

debian · debian_linuxvulnerable

References (8)

https://bugzilla.redhat.com/show_bug.cgi?id=2209113

Issue TrackingThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ57ICDLMVYEREXQGZWL4GWI7FRJCRQT/

Broken LinkThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPEGCFMCN5KGCFX5Y2VTKR732TTD4ADW/

Broken LinkThird Party Advisory

https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf

ExploitTechnical Description

https://bugzilla.redhat.com/show_bug.cgi?id=2209113

Issue TrackingThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ57ICDLMVYEREXQGZWL4GWI7FRJCRQT/

Broken LinkThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IPEGCFMCN5KGCFX5Y2VTKR732TTD4ADW/

Broken LinkThird Party Advisory

https://www.x41-dsec.de/static/reports/X41-libcap-Code-Review-2023-OSTIF-Final-Report.pdf

ExploitTechnical Description

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