THREATOPS
THREAT OPSThreat News › [NVD] CVE-2025-6021 (HIGH 7.5) — A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

[NVD] CVE-2025-6021 (HIGH 7.5) — A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

lownvdPublished 2025-06-12

CVE-2025-6021 CVSS: 7.5 HIGH Published: 2025-06-12T13:15:25.590

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

Indicators of compromise

Original source: https://nvd.nist.gov/vuln/detail/CVE-2025-6021