{"id":"DEBIAN-CVE-2026-6042","details":"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.","modified":"2026-09-14T17:03:25.666213080Z","published":"2026-04-10T09:16:25.450Z","upstream":["CVE-2026-6042"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-6042"}],"affected":[{"package":{"name":"musl","ecosystem":"Debian:12","purl":"pkg:deb/debian/musl?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.3-1","1.2.4-1","1.2.4-2","1.2.5-1","1.2.5-1.1","1.2.5-2","1.2.5-3","1.2.5-3.1","1.2.5-3.1~deb13u1","1.2.6-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6042.json"}},{"package":{"name":"musl","ecosystem":"Debian:13","purl":"pkg:deb/debian/musl?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.5-3.1~deb13u1"}]}],"versions":["1.2.5-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6042.json"}},{"package":{"name":"musl","ecosystem":"Debian:14","purl":"pkg:deb/debian/musl?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.5-3.1"}]}],"versions":["1.2.5-3","1.2.5-3.1~deb13u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-6042.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}