CVE-2026-107891
HIGH
MEDIUM
Priority: 0.04
BB Relevance:
66/100
Published: 2026-11-05
Modified: 2026-11-12
First seen: 2026-11-05
Status: active
Attack Surface
Network
No Auth
No Interaction
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
High
PR:
None
UI:
None
S:
Unchanged
C:
High
I:
High
A:
High
Description
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.
Weakness Classification (1)
Affected Software (3)
| Vendor | Product | Version |
|---|---|---|
| musl -libc | musl | 0.5.0 < 1.2.7 |
| musl -libc | musl | 0.5.0 < 1.2.7 |
| musl -libc | musl | 0.5.0 < 1.2.7 |