DEBIAN-CVE-2025-6021

See a problem?
Please try reporting it to the source first.
Source
https://security-tracker.debian.org/tracker/CVE-2025-6021
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-6021.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2025-6021
Upstream
Published
2025-06-12T13:15:25Z
Modified
2025-09-19T07:34:45.997274Z
Summary
[none]
Details

A flaw was found in libxml2's xmlBuildQName function, where integer overflows in buffer size calculations can lead to a stack-based buffer overflow. This issue can result in memory corruption or a denial of service when processing crafted input.

References

Affected packages

Debian:11 / libxml2

Package

Name
libxml2
Purl
pkg:deb/debian/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.10+dfsg-6.7+deb11u8

Affected versions

2.*

2.9.10+dfsg-6.7
2.9.10+dfsg-6.7+deb11u1
2.9.10+dfsg-6.7+deb11u2
2.9.10+dfsg-6.7+deb11u3
2.9.10+dfsg-6.7+deb11u4
2.9.10+dfsg-6.7+deb11u5
2.9.10+dfsg-6.7+deb11u6
2.9.10+dfsg-6.7+deb11u7

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / libxml2

Package

Name
libxml2
Purl
pkg:deb/debian/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.9.14+dfsg-1.3~deb12u3

Affected versions

2.*

2.9.14+dfsg-1.2
2.9.14+dfsg-1.3~deb12u1
2.9.14+dfsg-1.3~deb12u2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / libxml2

Package

Name
libxml2
Purl
pkg:deb/debian/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.12.7+dfsg+really2.9.14-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / libxml2

Package

Name
libxml2
Purl
pkg:deb/debian/libxml2?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.12.7+dfsg+really2.9.14-2

Ecosystem specific 

{
    "urgency": "not yet assigned"
}