CVE-2026-6042

Name
CVE-2026-6042
Description
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 this issue, it is recommended to deploy a patch.
NVD Severity
unknown
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
cna@vuldb.com https://vuldb.com/submit/796352
cna@vuldb.com https://vuldb.com/vuln/356620
cna@vuldb.com https://vuldb.com/vuln/356620/cti
cna@vuldb.com https://www.openwall.com/lists/oss-security/2026/04/02/10
cna@vuldb.com https://www.openwall.com/lists/oss-security/2026/04/03/2
af854a3a-2127-422b-91ae-364da2661108 http://www.openwall.com/lists/oss-security/2026/04/09/19

Match rules

CPE URI Source package Min version Max version

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
musl edge-main 1.2.6-r1 Natanael Copa <ncopa@alpinelinux.org> fixed
musl 3.23-main 1.2.5-r22 Natanael Copa <ncopa@alpinelinux.org> fixed
musl 3.22-main 1.2.5-r11 Natanael Copa <ncopa@alpinelinux.org> fixed
musl 3.21-main 1.2.5-r10 Natanael Copa <ncopa@alpinelinux.org> fixed
musl 3.20-main 1.2.5-r2 Natanael Copa <ncopa@alpinelinux.org> fixed
musl 3.19-main 1.2.4_git20230717-r6 Timo Teräs <timo.teras@iki.fi> fixed