UBUNTU-CVE-2026-77643

Source
https://ubuntu.com/security/CVE-2026-77643
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-77643
Upstream
  • CVE-2026-77643
Published
2026-08-20T22:18:00Z
Modified
2026-09-02T19:36:34.327128484Z
Severity
  • 4.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:14.04:LTS
xapian-core

Package

Name
xapian-core
Purl
pkg:deb/ubuntu/xapian-core?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.2.15-2
1.2.16-2
1.2.16-2ubuntu1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.2.16-2ubuntu1",
            "binary_name": "libxapian22"
        },
        {
            "binary_version": "1.2.16-2ubuntu1",
            "binary_name": "xapian-examples"
        },
        {
            "binary_version": "1.2.16-2ubuntu1",
            "binary_name": "xapian-tools"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json"
Ubuntu:16.04:LTS
xapian-core

Package

Name
xapian-core
Purl
pkg:deb/ubuntu/xapian-core?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.2.21-1.2
1.2.22-1
1.2.22-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.2.22-2",
            "binary_name": "libxapian22v5"
        },
        {
            "binary_version": "1.2.22-2",
            "binary_name": "xapian-examples"
        },
        {
            "binary_version": "1.2.22-2",
            "binary_name": "xapian-tools"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json"
Ubuntu:18.04:LTS
xapian-core

Package

Name
xapian-core
Purl
pkg:deb/ubuntu/xapian-core?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.4-2
1.4.5-1
1.4.5-1ubuntu0.1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.4.5-1ubuntu0.1",
            "binary_name": "libxapian30"
        },
        {
            "binary_version": "1.4.5-1ubuntu0.1",
            "binary_name": "xapian-examples"
        },
        {
            "binary_version": "1.4.5-1ubuntu0.1",
            "binary_name": "xapian-tools"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json"
Ubuntu:20.04:LTS
xapian-core

Package

Name
xapian-core
Purl
pkg:deb/ubuntu/xapian-core?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.12-1
1.4.14-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.4.14-2",
            "binary_name": "libxapian30"
        },
        {
            "binary_version": "1.4.14-2",
            "binary_name": "xapian-examples"
        },
        {
            "binary_version": "1.4.14-2",
            "binary_name": "xapian-tools"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json"
Ubuntu:22.04:LTS
xapian-core

Package

Name
xapian-core
Purl
pkg:deb/ubuntu/xapian-core?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.18-3build1
1.4.18-4

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.4.18-4",
            "binary_name": "libxapian30"
        },
        {
            "binary_version": "1.4.18-4",
            "binary_name": "xapian-examples"
        },
        {
            "binary_version": "1.4.18-4",
            "binary_name": "xapian-tools"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json"
Ubuntu:24.04:LTS
xapian-core

Package

Name
xapian-core
Purl
pkg:deb/ubuntu/xapian-core?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.22-1
1.4.22-1build1

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.4.22-1build1",
            "binary_name": "libxapian30"
        },
        {
            "binary_version": "1.4.22-1build1",
            "binary_name": "xapian-examples"
        },
        {
            "binary_version": "1.4.22-1build1",
            "binary_name": "xapian-tools"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json"
Ubuntu:26.04:LTS
xapian-core

Package

Name
xapian-core
Purl
pkg:deb/ubuntu/xapian-core?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*
1.4.29-3
1.4.29-3build1
1.4.31-2

Ecosystem specific

{
    "binaries": [
        {
            "binary_version": "1.4.31-2",
            "binary_name": "libxapian30"
        },
        {
            "binary_version": "1.4.31-2",
            "binary_name": "xapian-examples"
        },
        {
            "binary_version": "1.4.31-2",
            "binary_name": "xapian-tools"
        }
    ]
}

Database specific

source
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-77643.json"