CVE-2025-6021
Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
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Libxml2: integer overflow in xmlbuildqname() leads to stack buffer overflow in libxml2
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.
Reserved 2025-06-12 | Published 2025-06-12 | Updated 2025-06-12 | Assigner redhat| 2025-06-12: | Reported to Red Hat. |
| 2025-06-12: | Made public. |
Red Hat would like to thank Ahmed Lekssays for reporting this issue.
access.redhat.com/security/cve/CVE-2025-6021
bugzilla.redhat.com/show_bug.cgi?id=2372406 (RHBZ#2372406)
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