| Name | CVE-2026-77643 |
| 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. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1144490 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| xapian-core (PTS) | bookworm | 1.4.22-1 | vulnerable |
| trixie | 1.4.29-3 | vulnerable |
| forky, sid | 1.4.32-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| xapian-core | source | (unstable) | 1.4.32-1 | | | 1144490 |
Notes
[trixie] - xapian-core <no-dsa> (Minor issue)
[bookworm] - xapian-core <postponed> (Minor issue)
https://lists.xapian.org/pipermail/xapian-devel/2026-August/003429.html
https://trac.xapian.org/wiki/SecurityFixes/2018-07-02#a2026-08-13update