DEBIAN-CVE-2022-23852

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Source
https://security-tracker.debian.org/tracker/CVE-2022-23852
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-23852.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2022-23852
Upstream
Published
2022-01-24T02:15:06Z
Modified
2025-09-25T23:26:22.658492Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Expat (aka libexpat) before 2.4.4 has a signed integer overflow in XMLGetBuffer, for configurations with a nonzero XMLCONTEXT_BYTES.

References

Affected packages

Debian:11

expat

Package

Name
expat
Purl
pkg:deb/debian/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.2.10-2+deb11u1

Affected versions

2.*

2.2.10-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

libxmltok

Package

Name
libxmltok
Purl
pkg:deb/debian/libxmltok?arch=source

Affected ranges

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

Affected versions

1.*

1.2-4
1.2-4.1~exp1
1.2-4.1
1.2-4.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12

expat

Package

Name
expat
Purl
pkg:deb/debian/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

libxmltok

Package

Name
libxmltok
Purl
pkg:deb/debian/libxmltok?arch=source

Affected ranges

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

Affected versions

1.*

1.2-4
1.2-4.1~exp1
1.2-4.1
1.2-4.2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13

expat

Package

Name
expat
Purl
pkg:deb/debian/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14

expat

Package

Name
expat
Purl
pkg:deb/debian/expat?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.4.3-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}