CVE-2019-7317: Use After Free

Published Feb 4, 2019
·
Updated

A use-after-free vulnerability was discovered in the pngimagefree function in the libpng library. This could lead to denial of service or a potentially exploitable crash when a malformed image is processed.

Other sources

A vulnerability was found in libpng 1.6.36. The function pngimagefree in png.c has a use-after-free because pngimagefreefunction is called under pngsafeexecute.

References: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12803 https://github.com/glennrp/libpng/issues/275

— Red Hat

pngimagefree in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because pngimagefreefunction is called under pngsafeexecute.

— Launchpad

Affected Software

70 affected componentsFixes available
debian/libpng1.6<=1.6.28-1, <=1.6.36-3, <=1.6.36-2
1.6.36-41.6.28-1+deb9u1
IBM Cognos Analytics<=12.0.0-12.0.3
IBM Cognos Analytics<=11.2.0-11.2.4 FP4
Mozilla Thunderbird<60.7
60.7
Mozilla Firefox<67
67
Mozilla Firefox ESR<60.7
60.7
libpng LIBPNG>=1.6.0<1.6.37
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=16.04
Canonical Ubuntu Linux=18.04
Canonical Ubuntu Linux=18.10
Canonical Ubuntu Linux=19.04
Oracle Hyperion Infrastructure Technology=11.2.6.0
Oracle Java SE=7u221
Oracle Java SE=8u212
Oracle JDK=11.0.3
Oracle JDK=12.0.1
Oracle MySQL<8.0.23
HP XP7 Command View<8.7.0-00
HPE Xp7 Command View Advanced Edition Suite<8.7.0-00
Mozilla Firefox ESR
Mozilla Thunderbird
openSUSE Leap=15.0
openSUSE Leap=15.1
openSUSE Leap=42.3
openSUSE Package Hub
SUSE Linux Enterprise=12.0
NetApp Active Iq Unified Manager Vmware Vsphere<9.6
NetApp Active Iq Unified Manager Windows<9.6
NetApp Active Iq Unified Manager Vmware Vsphere=9.6
NetApp Active Iq Unified Manager Windows=9.6
NetApp Cloud Backup
NetApp E-series Santricity Management Vcenter
NetApp E-series Santricity Storage Manager<11.53
NetApp E-series Santricity Unified Manager<3.2
NetApp E-series Santricity Web Services Web Services Proxy<4.0
NetApp OnCommand Insight<7.3.9
NetApp OnCommand Workflow Automation<5.1
NetApp Plug-in For Symantec Netbackup
NetApp Snapmanager Oracle<3.4.2
NetApp Snapmanager Sap<3.4.2
NetApp Snapmanager Oracle=3.4.2-p1
NetApp Snapmanager Sap=3.4.2-p1
NetApp Steelstore
redhat Satellite=5.8
redhat Enterprise Linux=6.0
redhat Enterprise Linux=7.0
redhat Enterprise Linux=8.0
redhat Enterprise Linux Desktop=6.0
redhat Enterprise Linux Desktop=7.0
redhat Enterprise Linux For Ibm Z Systems=6.0
redhat Enterprise Linux For Ibm Z Systems=7.0
redhat Enterprise Linux For Ibm Z Systems=8.0
redhat Enterprise Linux For Power Big Endian=6.0
redhat Enterprise Linux For Power Big Endian=7.0
redhat Enterprise Linux For Power Little Endian=7.0
redhat Enterprise Linux For Power Little Endian=8.0
redhat Enterprise Linux For Scientific Computing=6.0
redhat Enterprise Linux For Scientific Computing=7.0
redhat Enterprise Linux Workstation=6.0
redhat Enterprise Linux Workstation=7.0
Mozilla Firefox
All of the following
openSUSE Package Hub
SUSE Linux Enterprise=12.0
debian/firefox
152.0-1
debian/firefox-esr
115.14.0esr-1~deb11u1140.11.0esr-1~deb11u1140.10.2esr-1~deb12u1140.12.0esr-1~deb12u1140.10.2esr-1~deb13u1140.12.0esr-1~deb13u1140.11.0esr-1140.12.0esr-1
debian/libpng1.6
1.6.37-31.6.37-3+deb11u41.6.39-2+deb12u51.6.48-1+deb13u51.6.58-1
debian/thunderbird
1:115.12.0-1~deb11u11:140.12.0esr-1~deb11u11:140.10.1esr-1~deb12u11:140.11.0esr-1~deb12u11:140.10.1esr-1~deb13u11:140.11.0esr-1~deb13u11:140.11.0esr-11:140.12.0esr-1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.36-4Fixed in 1.6.28-1+deb9u1
  2. Upgrade

    Upgrade Thunderbird to a version that resolves this vulnerability.

    Fixed in 60.7
  3. Upgrade

    Upgrade Firefox to a version that resolves this vulnerability.

    Fixed in 67
  4. Upgrade

    Upgrade Firefox ESR to a version that resolves this vulnerability.

    Fixed in 60.7
  5. Upgrade

    Upgrade debian/firefox to a version that resolves this vulnerability.

    Fixed in 152.0-1
  6. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 115.14.0esr-1~deb11u1Fixed in 140.11.0esr-1~deb11u1Fixed in 140.10.2esr-1~deb12u1Fixed in 140.12.0esr-1~deb12u1Fixed in 140.10.2esr-1~deb13u1Fixed in 140.12.0esr-1~deb13u1Fixed in 140.11.0esr-1Fixed in 140.12.0esr-1
  7. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.37-3Fixed in 1.6.37-3+deb11u4Fixed in 1.6.39-2+deb12u5Fixed in 1.6.48-1+deb13u5Fixed in 1.6.58-1
  8. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:115.12.0-1~deb11u1Fixed in 1:140.12.0esr-1~deb11u1Fixed in 1:140.10.1esr-1~deb12u1Fixed in 1:140.11.0esr-1~deb12u1Fixed in 1:140.10.1esr-1~deb13u1Fixed in 1:140.11.0esr-1~deb13u1Fixed in 1:140.11.0esr-1Fixed in 1:140.12.0esr-1
  9. Upgrade

    Upgrade libpng to a version that resolves this vulnerability.

    Fixed in 1.6.37
  10. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.36-4
  11. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.28-1+deb9u1
  12. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.37-3
  13. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.37-3+deb11u4
  14. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.39-2+deb12u5
  15. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.48-1+deb13u5
  16. Upgrade

    Upgrade debian/libpng1.6 to a version that resolves this vulnerability.

    Fixed in 1.6.58-1
  17. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 115.14.0esr-1~deb11u1
  18. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.11.0esr-1~deb11u1
  19. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.10.2esr-1~deb12u1
  20. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.12.0esr-1~deb12u1
  21. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.10.2esr-1~deb13u1
  22. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.12.0esr-1~deb13u1
  23. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.11.0esr-1
  24. Upgrade

    Upgrade debian/firefox-esr to a version that resolves this vulnerability.

    Fixed in 140.12.0esr-1
  25. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:115.12.0-1~deb11u1
  26. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.12.0esr-1~deb11u1
  27. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.10.1esr-1~deb12u1
  28. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.11.0esr-1~deb12u1
  29. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.10.1esr-1~deb13u1
  30. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.11.0esr-1~deb13u1
  31. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.11.0esr-1
  32. Upgrade

    Upgrade debian/thunderbird to a version that resolves this vulnerability.

    Fixed in 1:140.12.0esr-1

Event History

Feb 4, 2019
CVE Published
via MITRE·07:00 AM
Data Sourced
via MITRE·07:00 AM
Description
Data Sourced
via NVD·08:29 AM
RemedyDescriptionSeverityWeaknessAffected Software
Data Sourced
via Red Hat·09:17 PM
DescriptionSeverityAffected Software
Feb 19, 2026
Data Sourced
via Ubuntu·05:59 PM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Launchpad·06:00 PM
Description
Jun 18, 2026
Data Sourced
via Debian·04:01 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Peer vulnerabilities

Found alongside the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of CVE-2019-7317?

CVE-2019-7317 is categorized as a use-after-free vulnerability that could lead to denial of service or crashes.

2

Which versions of libpng are affected by CVE-2019-7317?

CVE-2019-7317 affects libpng versions prior to 1.6.37.

3

How do I fix CVE-2019-7317?

To resolve CVE-2019-7317, upgrade libpng to version 1.6.37 or later.

4

What products are impacted by CVE-2019-7317?

CVE-2019-7317 impacts multiple products including Mozilla Firefox, Thunderbird, and various versions of libpng.

5

Is CVE-2019-7317 exploitable in production environments?

Yes, CVE-2019-7317 is potentially exploitable in production environments when handling malformed images.

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