CVE-2019-19203

CVE-2019-19203 An issue was discovered in Oniguruma 6.x before 6.9.4rc2. In the function gb18030mbcenclen in file gb18030.c, a UChar pointer is dereferenced without checking if it passed the end of the matched string. This leads to a heap-based buffer over-read. Researcher: ManhND of The Tarantul...

CVE-2026-6042-PoC

CVE-2026-6042: Algorithmic Complexity DoS in musl libc iconv Gap-skipping loops in musl's iconv GB18030 4-byte decoder allow a small crafted input to consume disproportionate CPU time. A 40 KB adversarial payload can pin a CPU core for over 40 minutes. Advisory :...

Astra Linux – Vulnerability in libonig

A issue was discovered in Oniguruma 6.x before 6.9.4rc2. In the function gb18030mbcenclen in the file gb18030.c, a UChar pointer was dereferenced without checking whether it pointed to the end of the matched string. This resulted in a buffer overflow...

Astra Linux – Vulnerability in musl

A security flaw has been discovered in musl libc up to version 1.2.6. The affected component is the iconv function in the src/locale/iconv.c file of the GB18030 4-byte Decoder component. Performing certain manipulations results in inefficient algorithmic complexity. The attack must be initiated...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: postgresql (UTSA-2026-099534)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-099534 advisory. Buffer over-read in PostgreSQL GB18030 encoding validation allows a database input provider to achieve temporary denial of service on platforms where a 1-byte...

OESA-2026-2178 musl security update

musl is an implementation of the C standard library built on top of the Linux system call API, including interfaces defined in the base language standard, POSIX, and widely agreed-upon extensions. It is lightweight, fast, simple, free, and strives to be correct in the sense of standards conforman...

OESA-2026-2088 musl security update

musl is an implementation of the C standard library built on top of the Linux system call API, including interfaces defined in the base language standard, POSIX, and widely agreed-upon extensions. It is lightweight, fast, simple, free, and strives to be correct in the sense of standards conforman...

OESA-2026-2087 musl security update

musl is an implementation of the C standard library built on top of the Linux system call API, including interfaces defined in the base language standard, POSIX, and widely agreed-upon extensions. It is lightweight, fast, simple, free, and strives to be correct in the sense of standards conforman...

CLSA-2026-1776951056 php: Fix of CVE-2019-19203

CVE-2019-19203: fix heap-buffer-overflow in gb18030mbcenclen by installing a GB18030-aware codetombclen and filtering invalid code points from addctypetocc...

OESA-2026-1928 musl security update

musl is an implementation of the C standard library built on top of the Linux system call API, including interfaces defined in the base language standard, POSIX, and widely agreed-upon extensions. It is lightweight, fast, simple, free, and strives to be correct in the sense of standards conforman...

OESA-2026-1927 musl security update

musl is an implementation of the C standard library built on top of the Linux system call API, including interfaces defined in the base language standard, POSIX, and widely agreed-upon extensions. It is lightweight, fast, simple, free, and strives to be correct in the sense of standards conforman...

Linux Distros Unpatched Vulnerability : CVE-2026-6042

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte...

Exploit for CVE-2026-6042

CVE-2026-6042: Algorithmic Complexity DoS in musl libc iconv...

Description of the security update for SharePoint Server Subscription Edition: April 14, 2026 (KB5002853)

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CVE-2026-6042

A flaw was found in musl libc, specifically within the iconv function of the GB18030 4-byte Decoder component. A local attacker can exploit this vulnerability by performing a specific manipulation, leading to inefficient algorithmic complexity. This can result in a Denial of Service DoS due to...

EUVD-2026-21354

A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix...

CVE-2026-6042

A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix...

DEBIAN-CVE-2026-6042

A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix...

ALPINE-CVE-2026-6042

A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix...

UBUNTU-CVE-2026-6042

A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix...