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Fencer Vulns
medium 5.5

CVE-2025-28164 json

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of...

published 2026-01-27 9 mo ago modified 2026-07-25 3 mo ago also EUVD-2025-206406 , JLSEC-2026-10

cvss
5.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits
0
none known

Summary

Buffer Overflow vulnerability in libpng 1.6.43-1.6.46 allows a local attacker to cause a denial of service via png_create_read_struct() function.

Patch / fix

  • julia libpng_jll 1.6.47+0
  • libpng1.6 Debian 14, Debian 13 1.6.47-1

debian advisories DEBIAN-CVE-2025-28164

  • libpng1.6 Ubuntu 24.04 LTS 1.6.43-5ubuntu0.4

ubuntu advisories UBUNTU-CVE-2025-28164

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libpng hummingbird 1 1.6.56-1.1.hum1
  • libpng-tools hummingbird 1 1.6.56-1.1.hum1
  • libpng hummingbird 1 1.6.58-2.1.hum1
  • libpng-tools hummingbird 1 1.6.58-2.1.hum1
  • libpng hummingbird 1 1.6.56-1.hum1
  • libpng-tools hummingbird 1 1.6.56-1.hum1

red hat advisories RHSA-2026:7503RHSA-2026:80330RHSA-2026:6732

  • libpng16 Linux Micro 6.2 1.6.44-160000.5.1
  • libpng16 Linux Micro 6.1 1.6.43-slfo.1.1_3.1
  • libpng16 Linux Micro 6.0 1.6.43-3.1
  • libpng16 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +9 more 1.6.34-150000.3.19.1
  • libpng16 SLE Module for Basesystem 15 SP7, openSUSE Leap 15.6 1.6.40-150600.3.9.1

suse advisories SUSE-SU-2026:20750-1SUSE-SU-2026:20530-1SUSE-SU-2026:20523-1SUSE-SU-2026:0596-1SUSE-SU-2026:0364-1

  • libpng16 openSUSE Leap 16.0 1.6.44-160000.5.1

opensuse advisories openSUSE-SU-2026:20378-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-28164 updated cvss 5.0

libpng: libpng: Denial of Service via buffer overflow in png_create_read_struct() function

  • Red Hat build of OpenJDK 1.8 java-1.8.0-openjdk-portable Red Hat build of OpenJDK 11 ELS java-11-openjdk, java-11-openjdk-portable Red Hat build of OpenJDK 17 java-17-openjdk-portable Red Hat build of OpenJDK 21 java-21-openjdk-portable Red Hat build of OpenJDK 25 java-25-openjdk-portable Red Hat Enterprise Linux 6 libpng
    +5 more products
    Red Hat Enterprise Linux 7 libpng, firefox, libpng12 Red Hat Enterprise Linux 8 libpng, firefox, libpng12, libpng15, thunderbird, mingw-libpng, +65 more Red Hat Enterprise Linux 9 libpng, firefox, libpng15, firefox-x11, thunderbird, java-17-openjdk, +84 more Red Hat Enterprise Linux 10 libpng, firefox, thunderbird, java-21-openjdk, java-25-openjdk Red Hat OpenShift Container Platform 4 openshift/ose-rhel-coreos-8, openshift/ose-rhel-coreos-9
    affected: workaround, no fix available “Fix deferred”
  • Red Hat Hardened Images libpng 1.6.56-1.hum1, libpng 1.6.56-1.1.hum1, libpng 1.6.58-2.1.hum1, libpng-tools 1.6.56-1.hum1, libpng-tools 1.6.56-1.1.hum1, libpng-tools 1.6.58-2.1.hum1
    fixed: vendor fix RHSA-2026:7503

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
9 mo ago

Exploit prediction

0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/pnggroup/libpng/issues/655 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
OSV 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
julia libpng_jll
>=1.6.43+0, <1.6.47+0
1.6.47+0

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input
  • CWE-401 Missing Release of Memory after Effective Lifetime

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.