CVE-2026-13221 Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perl_study_chunk

Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.10 produce silently incorrect regular expression matches when an alternation of more than 65535 fixed string branches is compiled into a trie in Perlstudychunk. When such branches are combined into a trie, the...

Medium: perl

Issue Overview: Buffer overflow in Perlstudychunk CVE-2026-8376 Affected Packages: perl Issue Correction: Run dnf update perl --releasever 2023.12.20260608 or dnf update --advisory ALAS2023-2026-1819 --releasever 2023.12.20260608 to update your system. More information on how to update your syste...

Medium: perl

Issue Overview: Buffer overflow in Perlstudychunk CVE-2026-8376 Affected Packages: perl Note: This advisory is applicable to Amazon Linux 2 AL2 Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories. Issue Correction: Run yum update perl or yum updat...

perl: Fix of CVE-2026-8376

CVE-2026-8376: fix heap buffer overflow in Sstudychunk when compiling regular expressions with a repeated fixed string on 32-bit builds mincount l overflow...

CLSA-2026-1780391238 Fix CVE(s): CVE-2026-8376

SECURITY UPDATE: heap buffer overflow in the regexp compiler 32-bit - debian/patches/CVE-2026-8376.patch: guard against an SSizet overflow when sizing the joined fixed-substring buffer in Perlstudychunk in regcomp.c; backported from upstream commit 5e7f119eb2bb1181be908701f22bf7068e722f1c. -...

Perl Programming Heap Buffer Overflow DoS

The vulnerability of the Perlstudychunk function in the Perl programming language is related to buffer overflows due to integer overflows. Exploiting this vulnerability allows an attacker to execute arbitrary code remotely...

Exploit for Integer Overflow to Buffer Overflow in Perl

CVE-2026-8376-Perl-Heap-Buffer-Overflow-PoC-Exploit Perl vers...

CVE-2026-8376

Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds. Perlstudychunk in regcompstudy.c checked the size of the joined substring buffer in characters...

UBUNTU-CVE-2026-8376

Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds. Perlstudychunk in regcompstudy.c checked the size of the joined substring buffer in characters...

CVE-2026-8376

Perl versions before 5.40.5-RC1, from 5.41.0 before 5.42.3-RC1, from 5.43.0 before 5.43.11 have a heap buffer overflow when compiling regular expressions with a repeated fixed string on 32-bit builds. Perlstudychunk in regcompstudy.c checked the size of the joined substring buffer in characters...

ROS-20260310-73-0033

A vulnerability in the Sstudychunk function implementation of the Perl programming language interpreter is related to an operation exceeding buffer boundaries in memory. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...

SUSE CVE-2020-12723

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive Sstudychunk calls...

perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive Sstudychunk calls...

perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive Sstudychunk calls...

perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive Sstudychunk calls...

perl: corruption of intermediate language state of compiled regular expression due to recursive S_study_chunk() calls leads to DoS

regcomp.c in Perl before 5.30.3 allows a buffer overflow via a crafted regular expression because of recursive Sstudychunk calls...

PT-2020-3692

Name of the Vulnerable Software and Affected Versions Perl versions prior to 5.30.3 Description The issue is related to a buffer overflow in the regcomp.c file due to recursive S study chunk calls when evaluating crafted regular expressions. This can lead to a denial of service. An application...