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Affected Component
Analysis
libxml2
Exploitable
Name
CVE-2026-86143
Description
In xmlIO in libxml2 before 2.15.4, an inconsistency in xmlOutputWriteCallback and xmlBufUse causes negative lengths to reach write callbacks, aka a lack of a check for integer overflow before calling writecallback. This has security relevance for many types of uses of that length value within a callback.
CWEs
Published Date
Updated Date
Workaround
-
Analysis#
Vulnerability Ratings#
6.9
CVSSv31
7.3
CVSSv31
NaN
other