Bug 2457266 (CVE-2026-6042) - CVE-2026-6042 musl libc: GB18030 4-byte Decoder: musl libc: Denial of Service via inefficient algorithmic complexity in iconv
Summary: CVE-2026-6042 musl libc: GB18030 4-byte Decoder: musl libc: Denial of Service...
Keywords:
Status: NEW
Alias: CVE-2026-6042
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2457412 2457413 2457414
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-10 10:01 UTC by OSIDB Bzimport
Modified: 2026-04-10 19:31 UTC (History)
0 users

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Description OSIDB Bzimport 2026-04-10 10:01:31 UTC 
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.
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