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medium 5.0

CVE-2015-7981 json

The png_convert_to_rfc1123 function in png.c in libpng 1.0.x before 1.0.64, 1.2.x before 1.2.54, and 1.4.x before 1.4.17 allows remote atta…

published 10y ago modified 4mo ago also EUVD-2015-7878

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.4%
EPSS 6.4% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

The png_convert_to_rfc1123 function in png.c in libpng 1.0.x before 1.0.64, 1.2.x before 1.2.54, and 1.4.x before 1.4.17 allows remote attackers to obtain sensitive process memory information via crafted tIME chunk data in an image file, which triggers an out-of-bounds read.

Patch / fix

  • libpng Ubuntu 14.04 LTS 1.2.50-1ubuntu2.14.04.1

ubuntu advisories UBUNTU-CVE-2015-7981

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

  • java-1.7.0-ibm network satellite 5.6 1:1.7.0.9.40-1jpp.1.el5
  • java-1.7.1-ibm network satellite 5.7, network satellite 5.6 1:1.7.1.3.40-1jpp.1.el6_7
  • spacewalk-java network satellite 5.6 2.0.2-109.el5sat
  • spacewalk-java network satellite 5.6 2.0.2-109.el6sat
  • spacewalk-java network satellite 5.7 2.3.8-146.el6sat
  • spacewalk-java-lib network satellite 5.6 2.0.2-109.el5sat
  • spacewalk-java-lib network satellite 5.6 2.0.2-109.el6sat
  • spacewalk-java-lib network satellite 5.7 2.3.8-146.el6sat

red hat advisories RHSA-2016:1430RHSA-2016:0101RHSA-2016:0100RHSA-2016:0099RHSA-2015:2595RHSA-2015:2594

  • java-1_6_0-ibm SLE Module for Legacy 12 1.6.0_sr16.20-30.1
  • java-1_7_1-ibm SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +3 more 1.7.1_sr3.30-21.1
  • java-1_7_1-ibm SLES for SAP 11 SP4, SLES 11 SP4, SLE Software Development Kit 11 SP4 1.7.1_sr3.30-9.1
  • libpng12 SLES for SAP 12, SLES 12, SLED 12 +1 more 1.2.50-10.1
  • libpng12-0 SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 1.2.31-5.35.1
  • java-1_6_0-ibm SLES 11 SP3-LTSS 1.6.0_sr16.20-51.1
  • java-1_7_0-ibm SLES 11 SP3-LTSS 1.7.0_sr9.30-47.1
  • java-1_6_0-ibm SLES 11 SP2-LTSS 1.6.0_sr16.20-49.1

suse advisories SUSE-SU-2016:0770-1SUSE-SU-2016:0636-1SUSE-SU-2016:0431-1SUSE-SU-2016:0433-1SUSE-SU-2016:0428-1SUSE-SU-2016:0401-1

  • vlc openSUSE Tumbleweed 2.2.4-11.1

opensuse advisories openSUSE-SU-2024:10064-1

  • syslinux Azure Linux 3.0 6.04-11

azure linux advisories AZL-41980

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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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-2015-7981 updated cvss 4.0

libpng: Out-of-bounds read in png_convert_to_rfc1123

  • Red Hat Enterprise Linux 4 libpng, libpng10 Red Hat Enterprise Linux 5 libpng
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) libpng12 1.2.50-7.el7_2 Red Hat Enterprise Linux Client Optional (v. 7) libpng12-devel 1.2.50-7.el7_2, libpng12-debuginfo 1.2.50-7.el7_2
    fixed: vendor fix RHSA-2015:2595
  • Red Hat Enterprise Linux Client Supplementary (v. 7) java-1.7.1-ibm 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-jdbc 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-plugin 1.7.1.3.30-1jpp.1.el7
    fixed: vendor fix RHSA-2016:0099
  • Red Hat Enterprise Linux ComputeNode (v. 7) libpng12 1.2.50-7.el7_2 Red Hat Enterprise Linux ComputeNode Optional (v. 7) libpng12-devel 1.2.50-7.el7_2, libpng12-debuginfo 1.2.50-7.el7_2
    fixed: vendor fix RHSA-2015:2595
  • Red Hat Enterprise Linux ComputeNode Supplementary (v. 7) java-1.7.1-ibm 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.1.el7
    fixed: vendor fix RHSA-2016:0099
  • Red Hat Enterprise Linux Desktop (v. 6) libpng 1.2.49-2.el6_7 Red Hat Enterprise Linux Desktop Optional (v. 6) libpng-devel 1.2.49-2.el6_7, libpng-static 1.2.49-2.el6_7, libpng-debuginfo 1.2.49-2.el6_7
    fixed: vendor fix RHSA-2015:2594
  • Red Hat Enterprise Linux Desktop Supplementary (v. 5) java-1.7.0-ibm 1.7.0.9.30-1jpp.1.el5, java-1.6.0-ibm 1.6.0.16.20-1jpp.1.el5, java-1.7.0-ibm-src 1.7.0.9.30-1jpp.1.el5, java-1.6.0-ibm-src 1.6.0.16.20-1jpp.1.el5, java-1.7.0-ibm-demo 1.7.0.9.30-1jpp.1.el5, java-1.7.0-ibm-jdbc 1.7.0.9.30-1jpp.1.el5, +6 more Red Hat Enterprise Linux Desktop Supplementary (v. 6) java-1.7.1-ibm 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm-src 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.2.el6_7, java-1.7.1-ibm-jdbc 1.7.1.3.30-1jpp.2.el6_7, +5 more
    fixed: vendor fix RHSA-2016:0101
  • Red Hat Enterprise Linux HPC Node (v. 6) libpng 1.2.49-2.el6_7 Red Hat Enterprise Linux HPC Node Optional (v. 6) libpng-devel 1.2.49-2.el6_7, libpng-static 1.2.49-2.el6_7, libpng-debuginfo 1.2.49-2.el6_7
    fixed: vendor fix RHSA-2015:2594
show 15 more
  • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) java-1.7.1-ibm 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm-src 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm-demo 1.6.0.16.20-1jpp.1.el6_7, +1 more
    fixed: vendor fix RHSA-2016:0101
  • Red Hat Enterprise Linux Server (v. 6) libpng 1.2.49-2.el6_7
    fixed: vendor fix RHSA-2015:2594
  • Red Hat Enterprise Linux Server (v. 7) libpng12 1.2.50-7.el7_2
    fixed: vendor fix RHSA-2015:2595
  • Red Hat Enterprise Linux Server Optional (v. 6) libpng-static 1.2.49-2.el6_7, libpng-debuginfo 1.2.49-2.el6_7
    fixed: vendor fix RHSA-2015:2594
  • Red Hat Enterprise Linux Server Optional (v. 7) libpng12-devel 1.2.50-7.el7_2, libpng12-debuginfo 1.2.50-7.el7_2
    fixed: vendor fix RHSA-2015:2595
  • Red Hat Enterprise Linux Server Supplementary (v. 5) java-1.7.0-ibm 1.7.0.9.30-1jpp.1.el5, java-1.6.0-ibm 1.6.0.16.20-1jpp.1.el5, java-1.7.0-ibm-src 1.7.0.9.30-1jpp.1.el5, java-1.6.0-ibm-src 1.6.0.16.20-1jpp.1.el5, java-1.7.0-ibm-demo 1.7.0.9.30-1jpp.1.el5, java-1.7.0-ibm-jdbc 1.7.0.9.30-1jpp.1.el5, +6 more Red Hat Enterprise Linux Server Supplementary (v. 6) java-1.7.1-ibm 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm-src 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.2.el6_7, java-1.7.1-ibm-jdbc 1.7.1.3.30-1jpp.2.el6_7, +5 more
    fixed: vendor fix RHSA-2016:0101
  • Red Hat Enterprise Linux Server Supplementary (v. 7) java-1.7.1-ibm 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-jdbc 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-plugin 1.7.1.3.30-1jpp.1.el7
    fixed: vendor fix RHSA-2016:0099
  • Red Hat Enterprise Linux Workstation (v. 6) libpng 1.2.49-2.el6_7
    fixed: vendor fix RHSA-2015:2594
  • Red Hat Enterprise Linux Workstation (v. 7) libpng12 1.2.50-7.el7_2
    fixed: vendor fix RHSA-2015:2595
  • Red Hat Enterprise Linux Workstation Optional (v. 6) libpng-static 1.2.49-2.el6_7, libpng-debuginfo 1.2.49-2.el6_7
    fixed: vendor fix RHSA-2015:2594
  • Red Hat Enterprise Linux Workstation Optional (v. 7) libpng12-devel 1.2.50-7.el7_2, libpng12-debuginfo 1.2.50-7.el7_2
    fixed: vendor fix RHSA-2015:2595
  • Red Hat Enterprise Linux Workstation Supplementary (v. 6) java-1.7.1-ibm 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.2.el6_7, java-1.6.0-ibm-src 1.6.0.16.20-1jpp.1.el6_7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.2.el6_7, java-1.7.1-ibm-jdbc 1.7.1.3.30-1jpp.2.el6_7, +5 more
    fixed: vendor fix RHSA-2016:0101
  • Red Hat Enterprise Linux Workstation Supplementary (v. 7) java-1.7.1-ibm 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-src 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-demo 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-jdbc 1.7.1.3.30-1jpp.1.el7, java-1.7.1-ibm-plugin 1.7.1.3.30-1jpp.1.el7
    fixed: vendor fix RHSA-2016:0099
  • Red Hat Satellite 5.6 (RHEL v.5) spacewalk-java 2.0.2-109.el5sat, spacewalk-java-lib 2.0.2-109.el5sat, java-1.7.0-ibm 1.7.0.9.40-1jpp.1.el5, spacewalk-taskomatic 2.0.2-109.el5sat, spacewalk-java-config 2.0.2-109.el5sat, spacewalk-java-oracle 2.0.2-109.el5sat, +1 more Red Hat Satellite 5.6 (RHEL v.6) spacewalk-java 2.0.2-109.el6sat, spacewalk-java-lib 2.0.2-109.el6sat, spacewalk-taskomatic 2.0.2-109.el6sat, java-1.7.1-ibm 1.7.1.3.40-1jpp.1.el6_7, spacewalk-java-config 2.0.2-109.el6sat, spacewalk-java-oracle 2.0.2-109.el6sat, +1 more Red Hat Satellite 5.7 (RHEL v.6) spacewalk-java 2.3.8-146.el6sat, spacewalk-java-lib 2.3.8-146.el6sat, spacewalk-taskomatic 2.3.8-146.el6sat, java-1.7.1-ibm 1.7.1.3.40-1jpp.1.el6_7, spacewalk-java-config 2.3.8-146.el6sat, spacewalk-java-oracle 2.3.8-146.el6sat, +1 more
    fixed: vendor fix RHSA-2016:1430
  • Red Hat Enterprise Linux 7 libpng
    not affected: vulnerable code not present

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

Exploit prediction

6.36% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • sourceforge.net http://sourceforge.net/projects/libpng/files/libpng14/1.4.17/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Intel 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.