VDB
CVE-2026-6042
CVE-2026-6042
PUBLISHED
CVSS 4.800000190734863 MEDIUM
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.
EPSS 0.01% · 0.5th percentile
Risk Scores
CVSS v4.0
4.800000190734863
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
EPSS Score
0.01%
0.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| musl | libc | 1.2.0, 1.2.2, 1.2.4 |
Timeline
- Apr 10, 2026 EPSS Score
- Apr 10, 2026 CVE Published
- Apr 10, 2026 PoC Published
- Apr 10, 2026 Security Advisory
- Apr 10, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
References
- VDB-356620 | musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity vdb
- VDB-356620 | CTI Indicators (IOB, IOC, IOA) url
- Submit #796352 | musl libc musl 0.8.0 - 1.2.6 Inefficient Algorithmic Complexity third-party-advisory
- https://www.openwall.com/lists/oss-security/2026/04/02/10 url
- https://www.openwall.com/lists/oss-security/2026/04/03/2 patch
- http://www.openwall.com/lists/oss-security/2026/04/09/19 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-6042 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0512 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0513 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0509 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0510 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0505 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0515 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0507 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0506 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0508 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0504 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0514 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0516 advisory
- https://advisory.splunk.com/advisories/SVD-2026-0501 advisory
…and 3 more