CVE-2026-6042
4.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| musl | libc | 1.2.0 | affected |
| musl | libc | 1.2.1 | affected |
| musl | libc | 1.2.2 | affected |
| musl | libc | 1.2.3 | affected |
| musl | libc | 1.2.4 | affected |
| musl | libc | 1.2.5 | affected |
| musl | libc | 1.2.6 | affected |
Weaknesses
- CWE-407: Inefficient Algorithmic Complexity
- CWE-404: Denial of Service
ADP Enrichment
CVE Program Container
Additional References
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://vuldb.com/vuln/356620
- https://vuldb.com/vuln/356620/cti
- https://vuldb.com/submit/796352
- https://www.openwall.com/lists/oss-security/2026/04/02/10
- https://www.openwall.com/lists/oss-security/2026/04/03/2
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