Access of Resource Using Incompatible Type ('Type Confusion') Affecting lexbor package, versions [0,]
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published19 Mar 2026
- disclosed13 Mar 2026
- creditNikita Sveshnikov
Introduced: 13 Mar 2026
NewCVE-2026-29079 (opens in a new tab)How to fix?
A fix was pushed into the master branch but not yet published.
Overview
Affected versions of this package are vulnerable to Access of Resource Using Incompatible Type ('Type Confusion') in the HTML fragment parsing process when ns is set to UNDEF. An attacker can cause memory corruption by crafting input that results in a comment being created with the "unknown element" constructor, leading to unsafe casting and corruption of the qualified_name field, which is later dereferenced as a pointer.