musl: musl libc before 1.2.7, when an untrusted regular expression is used with regcomp, has multiple integer overflows, po...
CVE-2026-107891 is fixed in musl on 1 platform by DEBIAN-CVE-2026-107891 (version 1.2.6-2), released October 31, 2026. It is not reported as exploited. Patch Radar priority: High.
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| musl · Debian 14 | 1.2.6-2 | DEBIAN-CVE-2026-107891 | Oct 31, 2026 |
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