CVE-2025-49796

A vulnerability was found in libxml2. Processing certain sch:name elements from the input XML file can trigger a memory corruption issue. This flaw allows an attacker to craft a malicious XML input file that can lead libxml to crash, resulting in a denial of service or other possible undefined behavior due to sensitive data being corrupted in memory.

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"
}