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No exploitation reportedFix available

CVE-2019-7317

No exploitation reported by the sources we read.

  • Published2019-02-04
  • Fixed in1.6.37
  • WeaknessCWE-416

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.

Timeline

dates in UTC
  1. 2019-02-0408:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-04 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-7317?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-7317?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Libpng
BranchAffectedFixed in
1.6≥ 1.6.0, < 1.6.371.6.37
Canonical ubuntu linux
BranchAffectedFixed in
16.4= 16.04no fix published
18.4= 18.04no fix published
18.10= 18.10no fix published
19.4= 19.04no fix published
Opensuse leap
BranchAffectedFixed in
15.0= 15.0no fix published
15.1= 15.1no fix published
42.3= 42.3no fix published

29 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • firefoxWolfiall versions · fixed in 0
  • firefoxUbuntu:18.04:LTSall versions · fixed in 67.0+build2-0ubuntu0.18.04.1
  • firefoxUbuntu:16.04:LTSall versions · fixed in 67.0+build2-0ubuntu0.16.04.1
  • firefoxRed Hat:enterprise_linux:8::appstreamall versions · fixed in 0:60.7.0-1.el8_0and 5 other packages
  • firefoxRed Hat:enterprise_linux:7::workstationall versions · fixed in 0:60.7.0-1.el7_6and 3 other packages
  • firefoxRed Hat:enterprise_linux:7::serverall versions · fixed in 0:60.7.0-1.el7_6and 3 other packages
  • firefoxRed Hat:enterprise_linux:7::clientall versions · fixed in 0:60.7.0-1.el7_6and 3 other packages
  • firefoxRed Hat:enterprise_linux:6::workstationall versions · fixed in 0:60.7.0-1.el6_10and 3 other packages

228 more package ranges on OSV.dev

Vendor advisories

  • CVE-2019-7317 Red Hat Product Security314 products fixed · 8 known affected

    libpng: use-after-free in png_image_free in png.c

    libpng as a component of Red Hat Enterprise Linux 8 · libpng-devel as a component of Red Hat Enterprise Linux 8 · libpng.src as a component of Red Hat Enterprise Linux 8 · +5 more

  • RHSA-2019:2737 Red Hat Product Security4 products fixed

    Red Hat Security Advisory: java-1.8.0-ibm security update

  • RHSA-2019:2592 Red Hat Product Security50 products fixed

    Red Hat Security Advisory: java-1.8.0-ibm security update

  • RHSA-2019:2590 Red Hat Product Security22 products fixed

    Red Hat Security Advisory: java-1.8.0-ibm security update

  • RHSA-2019:2585 Red Hat Product Security38 products fixed

    Red Hat Security Advisory: java-1.8.0-ibm security update

  • RHSA-2019:2494 Red Hat Product Security50 products fixed

    Red Hat Security Advisory: java-1.7.1-ibm security update

7 more advisories

Full record on NVD

Fix

  1. Update Libpng to 1.6.37
  2. Vendor fix Red Hat Product Security RHSA-2019:2737 · 4 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
  3. Vendor fix Red Hat Product Security RHSA-2019:2592 · 50 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of IBM Java must be restarted for this update to take effect.
  4. Vendor fix Red Hat Product Security RHSA-2019:1310 · 19 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 All running instances of Thunderbird must be restarted for the update to take effect.
  5. Vendor fix Red Hat Product Security RHSA-2019:1269 · 13 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 After installing the update, Firefox must be restarted for the changes to take effect.

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2019-02-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-m96g-x499-p5f9

Frequently asked questions

What is CVE-2019-7317?

png_image_free in png.c in libpng 1.6.x before 1.6.37 has a use-after-free because png_image_free_function is called under png_safe_execute.

Is CVE-2019-7317 actively exploited?

Active exploitation of CVE-2019-7317 has not been confirmed. Its EPSS score was 9.4% on 2026-11-04, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-7317?

CVE-2019-7317 has a CVSS v3 base score of 5.3 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record