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OpenAdvisories
Medium · 4.4 CVE-2026-77643 EUVD-2026-63667GHSA-955x-jgcw-hcxh

A cross-site scripting vulnerability in queryparser/termgenerator_internal.cc in Xapian xapian-core before 2.1.0 and before 1.4.32 exists d…

Published Aug 20, 2026 · Updated Aug 28, 2026 · Assigned by mitre

Description

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.

Affected products

VendorProductAffectedFixed
Xapian xapian-core 2.0.0 – < 2.1.0, < 1.4.32 2.1.0

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 xapian-core 1.4.32-1 —
Debian 13 xapian-core 1.4.29-3+deb13u1 —
Debian 12 xapian-core No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS xapian-core No fix yet —
Ubuntu 24.04 LTS xapian-core No fix yet —
Ubuntu 22.04 LTS xapian-core No fix yet —
Ubuntu 20.04 LTS xapian-core No fix yet —
Ubuntu 18.04 LTS xapian-core No fix yet —
Show 2 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu 16.04 LTS xapian-core No fix yet —
Ubuntu 14.04 LTS xapian-core No fix yet —

Azure Linux

ReleasePackageFixed inAdvisory
Azure Linux 3 xapian-core No fix yet —

References