CVE-2026-107891

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.

8.1 HIGHEPSS 0.54%Not in KEVNVD: Received

Last updated: 2026-11-05 17:17 UTC

Overview Affected Products References

NVD CVE.org

Overview

Severity

Score	Severity	Version	Vector String
8.1	HIGH	3.1mitre (CNA)	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CVE ID: CVE-2026-107891
Status: Received
Assigner (CNA): mitre
Published: Nov 5, 2026
Last modified: 2026-11-05 17:17 UTC
Weaknesses: CWE-190 · Integer Overflow or Wraparound

Sources

NVD
CVE.org
CISA KEV
FIRST EPSS

Refreshed hourly from the sources above. Last fetched 2026-11-08 08:19 UTC.