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CVE-2019-7317

24
FAUCET Score

CVE-2019-7317 is a use-after-free vulnerability in libpng versions 1.6.x prior to 1.6.37, specifically within the png_image_free function, affecting numerous products including Canonical, Debian, HP, Mozilla, and Oracle. With a CVSS score of 5.3 (Medium), this vulnerability requires user interaction and high attack complexity, but could lead to high availability impact if exploited. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.6.0, < 1.6.37CPE matchmatch criteria
cpe:2.3:a:libpng:libpng:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:*:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.6
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
9.39%
Probability of exploitation in next 30 days
EPSS Percentile
94.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0939 is in the 96th percentile among its peer group of 705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.2 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (18)

microsoftpatch availablevia msrc
Product: azl3 fltk 1.3.8-1 on Azure Linux 3.0Fixed in: 1.3.8-1
microsoftpatch availablevia msrc
Product: 16826-17084Fixed in: 1.3.8-1
microsoftpatch availablevia msrc
Product: 16826-16817Fixed in: 1.3.8-1
oraclepatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: firefox-0:60.7.0-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.5.40-1jpp.1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: firefox-0:60.7.0-1.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: thunderbird-0:60.7.0-1.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.7.1-ibm-1:1.7.1.4.50-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.5.40-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: firefox-0:60.7.0-1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: thunderbird-0:60.7.0-1.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-ibm-1:1.8.0.5.40-3.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 5.8Fixed in: java-1.8.0-ibm-1:1.8.0.5.40-1jpp.1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: thunderbird-0:60.7.0-1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: java-1.7.1-ibm-1:1.7.1.4.50-1jpp.1.el6_10
View patch
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: libpng
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: mingw-libpng

Vendor Advisories (2)

microsoft2019-Feb/CVE-2019-7317Moderate

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.

Feb 12, 2019
redhatCVE-2019-7317Low

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

Jan 25, 2019

References

lists.opensuse.org / opensuse-security-announce/2019-06/msg00002.html
Third Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-06/msg00029.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-06/msg00084.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-08/msg00038.html
Mailing ListThird Party Advisory
lists.opensuse.org / opensuse-security-announce/2019-08/msg00044.html
Mailing ListThird Party Advisory
packetstormsecurity.com / files/152561/Slackware-Security-Advisory-libpng-Updates.html
Third Party AdvisoryVDB Entry
access.redhat.com / errata/RHSA-2019:1265
Third Party Advisory
access.redhat.com / errata/RHSA-2019:1267
Third Party Advisory
access.redhat.com / errata/RHSA-2019:1269
Third Party Advisory
access.redhat.com / errata/RHSA-2019:1308
Third Party Advisory
access.redhat.com / errata/RHSA-2019:1309
Third Party Advisory
access.redhat.com / errata/RHSA-2019:1310
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2494
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2495
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2585
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2590
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2592
Third Party Advisory
access.redhat.com / errata/RHSA-2019:2737
Third Party Advisory
bugs.chromium.org / p/oss-fuzz/issues/detail
Issue TrackingMailing ListThird Party Advisory
github.com / glennrp/libpng/issues/275
ExploitIssue TrackingThird Party Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00032.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/05/msg00038.html
Mailing ListThird Party Advisory
seclists.org / bugtraq/2019/Apr/30
Issue TrackingMailing ListThird Party Advisory
seclists.org / bugtraq/2019/Apr/36
Issue TrackingMailing ListThird Party Advisory
seclists.org / bugtraq/2019/May/56
Issue TrackingMailing ListThird Party Advisory
seclists.org / bugtraq/2019/May/59
Issue TrackingMailing ListThird Party Advisory
seclists.org / bugtraq/2019/May/67
Issue TrackingMailing ListThird Party Advisory
security.gentoo.org / glsa/201908-02
Third Party Advisory
security.netapp.com / advisory/ntap-20190719-0005
Third Party Advisory
support.hpe.com / hpsc/doc/public/display
Third Party Advisory
usn.ubuntu.com / 3962-1
Third Party Advisory
usn.ubuntu.com / 3991-1
Third Party Advisory
usn.ubuntu.com / 3997-1
Third Party Advisory
usn.ubuntu.com / 4080-1
Third Party Advisory
usn.ubuntu.com / 4083-1
Third Party Advisory
debian.org / security/2019/dsa-4435
Third Party Advisory
debian.org / security/2019/dsa-4448
Third Party Advisory
debian.org / security/2019/dsa-4451
Third Party Advisory
oracle.com / security-alerts/cpuApr2021.html
Third Party Advisory
oracle.com / security-alerts/cpuoct2021.html
Third Party Advisory
oracle.com / technetwork/security-advisory/cpujul2019-5072835.html
PatchThird Party Advisory
securityfocus.com / bid/108098
Not ApplicableThird Party AdvisoryVDB Entry