CVE-2023-47038
Perl: write past buffer end via illegal user-defined unicode property
- State
- Published
- Severity
- 7.0 High
- Published
- Dec 18, 2023
- Updated
- Jan 22, 2026
- Reserved
- Oct 30, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.0 High | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat |
Weaknesses
- CWE-122 Heap-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
perl |
|
Red Hat Enterprise Linux 8Red Hat |
|
Red Hat Enterprise Linux 9Red Hat |
|
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 8Red Hat |
References
- RHSA-2024:2228vendor-advisory
- RHSA-2024:3128vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-47038vdb-entry
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746
- RHBZ#2249523issue-tracking
- https://github.com/aquasecurity/trivy/discussions/8400
- https://www.suse.com/security/cve/CVE-2023-47100.html
- https://ubuntu.com/security/CVE-2023-47100
- https://github.com/Perl/perl5/commit/ff1f9f59360afeebd6f75ca1502f5c3ebf077da3
- https://github.com/Perl/perl5/commit/7047915eef37fccd93e7cd985c29fe6be54650b6
- https://github.com/Perl/perl5/commit/12c313ce49b36160a7ca2e9b07ad5bd92ee4a010
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/
- https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UMDZZ4SCEW6FRWZDMXGAKZ35THTAWFG6/
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