Vulnerability Report

CVE-2023-47038

RCE

Title: Perl RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2023-47038.

CWE Category CWE-787
Published Date Dec 18, 2023
Modified Date Nov 04, 2025
Exploit Status Not Found
Score 7.0 CVSS v3.1
Exploit Probability (EPSS)
0.83%

Vulnerability Summary

CVE-2023-47038: 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.

Impacted Vendors

P
perl 1
L
larry_wall 1

Reference Links

https://access.redhat.com/errata/RHSA-2024:2228 https://access.redhat.com/errata/RHSA-2024:3128 https://access.redhat.com/security/cve/CVE-2023-47038 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746 https://bugzilla.redhat.com/show_bug.cgi?id=2249523 https://access.redhat.com/errata/RHSA-2024:2228 https://access.redhat.com/errata/RHSA-2024:3128 https://access.redhat.com/security/cve/CVE-2023-47038 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1056746 https://bugzilla.redhat.com/show_bug.cgi?id=2249523 https://github.com/Perl/perl5/commit/12c313ce49b36160a7ca2e9b07ad5bd92ee4a010 https://github.com/Perl/perl5/commit/7047915eef37fccd93e7cd985c29fe6be54650b6 https://github.com/Perl/perl5/commit/ff1f9f59360afeebd6f75ca1502f5c3ebf077da3 https://github.com/aquasecurity/trivy/discussions/8400 https://lists.fedoraproject.org/archives/list/[email protected]/message/GNEEWAACXQCEEAKSG7XX2D5YDRWLCIZJ/ https://lists.fedoraproject.org/archives/list/[email protected]/message/UMDZZ4SCEW6FRWZDMXGAKZ35THTAWFG6/ https://perldoc.perl.org/perl5382delta#CVE-2023-47038-Write-past-buffer-end-via-illegal-user-defined-Unicode-property https://ubuntu.com/security/CVE-2023-47100 https://www.suse.com/security/cve/CVE-2023-47100.html
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.0
Attack Vector
LOCAL
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2023-47038 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.