A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML… (CVE-2026-76781)
A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML catalog parsing. This occurs when a `nextCatalog` element lacks its mandatory `catalog` attribute, leading to the application crashing and causing a Denial of Service (DoS).
A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML… (CVE-2026-76781)
Description
A flaw was found in libxml2. A local user or an attacker providing a specially crafted XML catalog can trigger a NULL pointer dereference during XML catalog parsing. This occurs when a `nextCatalog` element lacks its mandatory `catalog` attribute, leading to the application crashing and causing a Denial of Service (DoS).
CVSS v3.1
Score 5.5medium
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-2j5r-8qjf-mq34
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-76781"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
Patch Information
Threat ID: 6ab1e221f7a7c5410645292f
Added to database: 09/22/2026, 02:04:17 UTC
Last updated: 09/22/2026, 02:08:40 UTC
Views: 1
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