MEDIUM
CVE-2019-7317
CWE-416Published: February 4, 2019· Updated: Jun 17, 2026
5.3
CVSS v3.1
Official 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.
Technical Analysis
CVE-2019-7317 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.3.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Vendors & Products
Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
HP1 product(s)
xp7 command view
hpe1 product(s)
xp7 command view advanced edition suite
libpng1 product(s)
libpng
Mozilla2 product(s)
firefoxthunderbird
netapp11 product(s)
active iq unified managercloud backupe-series santricity managemente-series santricity storage managere-series santricity unified managere-series santricity web servicesoncommand insightoncommand workflow automationplug-in for symantec netbackupsnapmanagersteelstore
openSUSE2 product(s)
leappackage hub
Oracle4 product(s)
hyperion infrastructure technologyjava sejdkmysql
Red Hat8 product(s)
satelliteenterprise linuxenterprise linux desktopenterprise linux for ibm z systemsenterprise linux for power big endianenterprise linux for power little endianenterprise linux for scientific computingenterprise linux workstation
SUSE1 product(s)
linux enterprise
Source: NVD CPE · 52 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
ADVISORYhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03977en_us
ADVISORYhttps://usn.ubuntu.com/3962-1/
ADVISORYhttps://usn.ubuntu.com/3991-1/
ADVISORYhttps://usn.ubuntu.com/3997-1/
ADVISORYhttps://usn.ubuntu.com/4080-1/
ADVISORYhttps://usn.ubuntu.com/4083-1/
ADVISORYhttps://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03977en_us
ADVISORYhttps://usn.ubuntu.com/3962-1/
ADVISORYhttps://usn.ubuntu.com/3991-1/
ADVISORYhttps://usn.ubuntu.com/3997-1/
ADVISORYhttps://usn.ubuntu.com/4080-1/
ADVISORYhttps://usn.ubuntu.com/4083-1/
All References (84)
→
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00002.htmlThird Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00029.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00084.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00038.htmlMailing List · Third Party Advisory
→
http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00044.htmlMailing List · Third Party Advisory
→
http://packetstormsecurity.com/files/152561/Slackware-Security-Advisory-libpng-Updates.htmlThird Party Advisory · VDB Entry
→
http://www.securityfocus.com/bid/108098Not Applicable · Third Party Advisory · VDB Entry
→
https://access.redhat.com/errata/RHSA-2019:1265Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:1267Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:1269Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:1308Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:1309Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:1310Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:2494Third Party Advisory
→
https://access.redhat.com/errata/RHSA-2019:2495Third Party Advisory
Quick Facts
CVE IDCVE-2019-7317
CVSS Score5.3 / 10
SeverityMEDIUM
WeaknessCWE-416
CISA KEVNo
Affected11 vendor(s)
PublishedFeb 4, 2019
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2019-7317 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.