Bug 2520814 (CVE-2026-77643) - CVE-2026-77643 xapian-core: Xapian xapian-core: Arbitrary code execution via incomplete HTML escaping
Summary: CVE-2026-77643 xapian-core: Xapian xapian-core: Arbitrary code execution via ...
Keywords:
Status: NEW
Alias: CVE-2026-77643
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2521816
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-20 21:49 UTC by OSIDB Bzimport
Modified: 2026-08-24 11:32 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-08-20 21:49:00 UTC 
A cross-site scripting vulnerability in 
queryparser/termgenerator_internal.cc in Xapian xapian-core before 2.1.0 and before 1.4.32 exists due to incomplete HTML escaping by Xapian::MSet::snippet(). NOTE: this issue exists because of a missed corner case of CVE-2018-0499.
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