PT-2026-29222

Name of the Vulnerable Software and Affected Versions Sereal::Decoder versions 4.000 through 4.009 002 Description Sereal::Decoder for Perl embeds a vulnerable version of the Zstandard zstd library. A race condition exists in the one-pass compression functions of Zstandard prior to version 1.3.8,...

Linux Distros Unpatched Vulnerability : CVE-2026-4176

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Perl versions from 5.9.4 before 5.40.4-RC1, from 5.41.0 before 5.42.2-RC1, from 5.43.0 before 5.43.9 contain a vulnerable version of Compress::Raw::Zlib...

Fedora 42 : perl-YAML-Syck (2026-d226775800)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-d226775800 advisory. YAML::Syck versions up to and including 1.36 for Perl has several potential security vulnerabilities including a high-severity heap buffer overflow in the YA...

PT-2026-29217

Name of the Vulnerable Software and Affected Versions Business::OnlinePayment::StoredTransaction versions through 0.01 Description The software generates a secret key using an MD5 hash of a single call to the rand function, which is not suitable for cryptographic purposes. This key is used for...

PT-2026-29290

Name of the Vulnerable Software and Affected Versions PAGI::Middleware::Session::Store::Cookie versions prior to 0.001003 Description The software generates random bytes insecurely when it cannot read from the /dev/urandom device, which occurs on systems like Windows. In such cases, it uses the...

Fedora: Security Advisory (FEDORA-2026-3572f7e01c)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CVE-2026-4176

A flaw was found in Perl, stemming from its inclusion of an outdated Compress::Raw::Zlib module. This module bundles a vulnerable version of the zlib library, which is known to contain multiple security flaws, including CVE-2026-3381 and CVE-2026-27171. Exploitation of these underlying...

perl: Buffer over-read in regular expression parser

A heap buffer overread was found in perl's grokbslashN function, which is used in the compilation of Unicode nodes in regular expressions, possibly leading to crash or dump of memory segments via the error output. An attacker, able to provide a specially crafted regular expression, could look for...

perl: ambiguous environment variables handling

Perl might allow context-dependent attackers to bypass the taint protection mechanism in a child process via duplicate environment variables in envp...

perl: Heap buffer overflow in regular expression compiler

A heap write buffer overflow was found in perl's Sregatom function, which is used in the compilation of regular expressions, resulting in the crash of the perl interpreter. An attacker, able to provide a specially crafted regular expression, could cause a denial of service...

perl: stack-based crash in S_find_uninit_var()

A stack-based buffer overflow vulnerability was found in the Sfinduninitvar function in sv.c in Perl. This issue may allow an authenticated local attacker to send a specially crafted request to the application, leading to an infinite recursion, exhausting the process' stack space, resulting in a...

perl: regexp matching hangs indefinitely on illegal UTF-8 input

The 1 Sreghop3, 2 Sreghop4, and 3 Sreghopmaybe3 functions in regexec.c in Perl before 5.24.0 allow context-dependent attackers to cause a denial of service infinite loop via crafted utf-8 data, as demonstrated by "a\x80."...

Moderate: Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

An update for Red Hat Hardened Images RPMs is now available. This update includes the following RPMs: perl: perl-5.42.2-524.hum1 aarch64, x8664 perl-Attribute-Handlers-1.03-524.hum1 noarch perl-AutoLoader-5.74-524.hum1 noarch perl-AutoSplit-5.74-524.hum1 noarch perl-B-1.89-524.hum1 aarch64, x8664...

perl: possible arbitrary code execution via Locale::Maketext

The compile function in Maketext.pm in the Locale::Maketext implementation in Perl before 5.17.7 does not properly handle backslashes and fully qualified method names during compilation of bracket notation, which allows context-dependent attackers to execute arbitrary commands via crafted input t...

perl: heap-based buffer overflow in regular expression compiler leads to DoS

Perl before 5.30.3 on 32-bit platforms allows a heap-based buffer overflow because nested regular expression quantifiers have an integer overflow...

perl: heap buffer overflow in pp_pack.c

It was found that the pack function in the 32-bit version of the perl interpreter was vulnerable to heap buffer overflow via the packing template. An attacker, able to provide a specially crafted template, could use this flaw to crash the interpreter...

CVE-2025-15604

Amon2 versions before 6.17 for Perl use an insecure randomstring implementation for security functions. In versions 6.06 through 6.16, the randomstring function will attempt to read bytes from the /dev/urandom device, but if that is unavailable then it generates bytes by concatenating a SHA-1 has...

CVE-2026-3256

HTTP::Session versions through 0.53 for Perl defaults to using insecurely generated session ids. HTTP::Session defaults to using HTTP::Session::ID::SHA1 to generate session ids using a SHA-1 hash seeded with the built-in rand function, the high resolution epoch time, and the PID. The PID will com...

CVE-2026-4851

GRID::Machine versions through 0.127 for Perl allows arbitrary code execution via unsafe deserialization. GRID::Machine provides Remote Procedure Calls RPC over SSH for Perl. The client connects to remote hosts to execute code on them. A compromised or malicious remote host can execute arbitrary...

Debian: Security Advisory (DSA-6182-1)

The remote host is missing an update for the Debian SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...