Detections
Analytics

CVE-2023-47038

high

Description

A vulnerability was found in perl 5.30.0 through 5.38.0. This issue occurs when a crafted regular expression is compiled by perl, which can allow an attacker controlled byte buffer overflow in a heap allocated buffer.

References

https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/

https://bugzilla.redhat.com/show_bug.cgi?id=2249523

https://access.redhat.com/errata/RHSA-2024:3128

https://access.redhat.com/errata/RHSA-2024:2228

https://www.cisa.gov/news-events/ics-advisories/icsa-24-319-08

https://www.suse.com/security/cve/CVE-2023-47100.html

https://ubuntu.com/security/CVE-2023-47100

https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property

https://github.com/aquasecurity/trivy/discussions/8400

https://github.com/Perl/perl5/commit/ff1f9f59360afeebd6f75ca1502f5c3ebf077da3

https://github.com/Perl/perl5/commit/7047915eef37fccd93e7cd985c29fe6be54650b6

https://github.com/Perl/perl5/commit/12c313ce49b36160a7ca2e9b07ad5bd92ee4a010

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746

https://access.redhat.com/security/cve/CVE-2023-47038

Details

Source: Mitre, NVD

Published: 2023-12-18

Updated: 2025-10-07

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

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

Severity: High

EPSS

EPSS: 0.00067