{"id":"ALPINE-CVE-2026-107891","details":"musl libc before 1.2.7, when an untrusted regular expression is used with regcomp, has multiple integer overflows, possibly leading to incorrect allocation sizes and out-of-bounds heap writes.","modified":"2026-11-06T09:30:02.945525194Z","published":"2026-11-05T16:17:32.150Z","upstream":["CVE-2026-107891"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2026-107891"}],"affected":[{"package":{"name":"musl","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/musl?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.5-r4"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-107891.json"}},{"package":{"name":"musl","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/musl?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.5-r12"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-107891.json"}},{"package":{"name":"musl","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/musl?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.5-r13"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-107891.json"}},{"package":{"name":"musl","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/musl?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.5-r24"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-107891.json"}},{"package":{"name":"musl","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/musl?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.6-r3"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2026-107891.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}