DEBIAN-CVE-2025-64720

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Source
https://security-tracker.debian.org/tracker/CVE-2025-64720
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2025-64720.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2025-64720
Upstream
Published
2025-11-25T00:15:47.460Z
Modified
2025-11-27T05:08:13.901329Z
Severity
  • 7.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H CVSS Calculator
Summary
[none]
Details

LIBPNG is a reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. From version 1.6.0 to before 1.6.51, an out-of-bounds read vulnerability exists in pngimagereadcomposite when processing palette images with PNGFLAGOPTIMIZEALPHA enabled. The palette compositing code in pnginitread_transformations incorrectly applies background compositing during premultiplication, violating the invariant component ≤ alpha × 257 required by the simplified PNG API. This issue has been patched in version 1.6.51.

References

Affected packages

Debian:11 / libpng1.6

Package

Name
libpng1.6
Purl
pkg:deb/debian/libpng1.6?arch=source

Affected ranges

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

Affected versions

1.*

1.6.37-3
1.6.37-4
1.6.37-5
1.6.38-1
1.6.38-2
1.6.39-1
1.6.39-2
1.6.40-1
1.6.40-2
1.6.40-3
1.6.41-1
1.6.42-1
1.6.42-1.1~exp1
1.6.43-1
1.6.43-1exp1
1.6.43-2
1.6.43-3
1.6.43-4
1.6.43-5
1.6.44-1
1.6.44-2
1.6.44-3
1.6.45-1
1.6.46-1
1.6.46-2
1.6.46-3
1.6.46-4
1.6.47-1
1.6.47-1.1
1.6.48-1
1.6.49-1~exp1
1.6.50-1~exp1
1.6.50-1
1.6.51-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / libpng1.6

Package

Name
libpng1.6
Purl
pkg:deb/debian/libpng1.6?arch=source

Affected ranges

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

Affected versions

1.*

1.6.39-2
1.6.40-1
1.6.40-2
1.6.40-3
1.6.41-1
1.6.42-1
1.6.42-1.1~exp1
1.6.43-1
1.6.43-1exp1
1.6.43-2
1.6.43-3
1.6.43-4
1.6.43-5
1.6.44-1
1.6.44-2
1.6.44-3
1.6.45-1
1.6.46-1
1.6.46-2
1.6.46-3
1.6.46-4
1.6.47-1
1.6.47-1.1
1.6.48-1
1.6.49-1~exp1
1.6.50-1~exp1
1.6.50-1
1.6.51-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / libpng1.6

Package

Name
libpng1.6
Purl
pkg:deb/debian/libpng1.6?arch=source

Affected ranges

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

Affected versions

1.*

1.6.48-1
1.6.49-1~exp1
1.6.50-1~exp1
1.6.50-1
1.6.51-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / libpng1.6

Package

Name
libpng1.6
Purl
pkg:deb/debian/libpng1.6?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
1.6.51-1

Affected versions

1.*

1.6.48-1
1.6.49-1~exp1
1.6.50-1~exp1
1.6.50-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}