CVE-2026-86141
xmlregexp in libxml2 before 2.15.4 has a NULL pointer dereference in xmlRegNewParserCtxt after a strdup failure, i.e., it does not calculate a string length after NULL checking.
Scoring
- Severity
- LOW
- CVSS base score
- 2.9
- CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS probability
- 0.12%
- CWE
- CWE-252
- Published
- 2026-09-05
- Last modified
- 2026-09-09
Affected products
- xmlsoft libxml2
Weakness type
Related vulnerabilities
- CVE-2026-86749 — snipe-it before 8.7.0 Data Loss via Failed Image Write
- CVE-2026-86739 — Snipe-IT before 8.7.0 Acceptance Finalization Without Stored Evidence
- CVE-2026-19534 — undici vulnerable to Denial of Service via unrequested WebSocket subprotocol
- CVE-2026-85649 — (Holloway) Chew, Kean Ho's Actualizer v1.2.0 and earlier contains a fail-open password validation...
- CVE-2026-14957 — FIPS mode assertion failure via malicious CERT payload
- CVE-2026-78699 — rename_tenant returns :ok on a failed rename, enabling cross-tenant access in AshPostgres
- CVE-2026-79772 — Nokogiri before 1.19.1 Unchecked Return Value canonicalize
- CVE-2026-77641 — tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUX_SWITCH cell fails....