Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-107891 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:8.1 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
http://www.openwall.com/lists/oss-security/2026/10/21/18 CVE
https://git.musl-libc.org/cgit/musl/commit/?id=7813e9119eb5fe681b6750b8a033a0490bca0941 [email protected]
https://musl.libc.org [email protected]
https://www.openwall.com/lists/musl/2026/10/21/1 [email protected]

Weakness Enumeration

CWE-IDCWE NameSource
CWE-190Integer Overflow or Wraparound[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-107891
NVD Published Date:
Nov 5, 2026
NVD Last Modified:
Nov 5, 2026
Source:
[email protected]
CVE-2026-107891 Details - Not Deferred