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Vulnerability Details : 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.
Publish Date : 2019-02-04 Last Update Date : 2019-08-01
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- CVSS Scores & Vulnerability Types

CVSS Score
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity High (Specialized access conditions exist. It is hard to exploit and several special conditions must be satisfied to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 416

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2019:1265: firefox security update (Critical) oval:com.redhat.rhsa:def:20191265 unix
RHSA-2019:1267: firefox security update (Critical) oval:com.redhat.rhsa:def:20191267 unix
RHSA-2019:1269: firefox security update (Critical) oval:com.redhat.rhsa:def:20191269 unix
RHSA-2019:1308: thunderbird security update (Important) oval:com.redhat.rhsa:def:20191308 unix
RHSA-2019:1309: thunderbird security update (Important) oval:com.redhat.rhsa:def:20191309 unix
RHSA-2019:1310: thunderbird security update (Important) oval:com.redhat.rhsa:def:20191310 unix
RHSA-2019:2590: java-1.8.0-ibm security update (Important) oval:com.redhat.rhsa:def:20192590 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2019-7317

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 18.04 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 18.10 Version Details Vulnerabilities
3 OS Debian Debian Linux 9.0 Version Details Vulnerabilities
4 Application Libpng Libpng 1.6.36 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 2
Debian Debian Linux 1
Libpng Libpng 1

- References For CVE-2019-7317
SUSE openSUSE-SU-2019:1484
BUGTRAQ 20190417 [slackware-security] libpng (SSA:2019-107-01)
BUGTRAQ 20190429 [SECURITY] [DSA 4435-1] libpng1.6 security update
BUGTRAQ 20190522 [slackware-security] mozilla-firefox (SSA:2019-141-01)
REDHAT RHSA-2019:1267
MLIST [debian-lts-announce] 20190523 [SECURITY] [DLA 1800-1] firefox-esr security update
BUGTRAQ 20190527 [SECURITY] [DSA 4451-1] thunderbird security update
REDHAT RHSA-2019:1310
REDHAT RHSA-2019:1265
MLIST [debian-lts-announce] 20190527 [SECURITY] [DLA 1806-1] thunderbird security update
REDHAT RHSA-2019:1309
REDHAT RHSA-2019:1308
REDHAT RHSA-2019:1269
BID 108098 libpng CVE-2019-7317 Use After Free Denial of Service Vulnerability Release Date:2019-07-17
SUSE openSUSE-SU-2019:1664
BUGTRAQ 20190523 [SECURITY] [DSA 4448-1] firefox-esr security update
SUSE openSUSE-SU-2019:1534

- Metasploit Modules Related To CVE-2019-7317

There are not any metasploit modules related to this CVE entry (Please visit for more information)

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