Vulnerability CVE-2019-7317
Published: 2019-02-04

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.

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:N/AC:H/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
2.6/10
2.9/10
4.9/10
Exploit range
Attack complexity
Authentication
Remote
High
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Libpng -> Libpng 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00029.html
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00084.html
http://packetstormsecurity.com/files/152561/Slackware-Security-Advisory-libpng-Updates.html
http://www.securityfocus.com/bid/108098
https://access.redhat.com/errata/RHSA-2019:1265
https://access.redhat.com/errata/RHSA-2019:1267
https://access.redhat.com/errata/RHSA-2019:1269
https://access.redhat.com/errata/RHSA-2019:1308
https://access.redhat.com/errata/RHSA-2019:1309
https://access.redhat.com/errata/RHSA-2019:1310
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12803
https://github.com/glennrp/libpng/issues/275
https://lists.debian.org/debian-lts-announce/2019/05/msg00032.html
https://lists.debian.org/debian-lts-announce/2019/05/msg00038.html
https://seclists.org/bugtraq/2019/Apr/30
https://seclists.org/bugtraq/2019/Apr/36
https://seclists.org/bugtraq/2019/May/56
https://seclists.org/bugtraq/2019/May/59
https://seclists.org/bugtraq/2019/May/67
https://security.gentoo.org/glsa/201908-02
https://security.netapp.com/advisory/ntap-20190719-0005/
https://usn.ubuntu.com/3962-1/
https://usn.ubuntu.com/3991-1/
https://usn.ubuntu.com/3997-1/
https://usn.ubuntu.com/4080-1/
https://usn.ubuntu.com/4083-1/
https://www.debian.org/security/2019/dsa-4435
https://www.debian.org/security/2019/dsa-4448
https://www.debian.org/security/2019/dsa-4451
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
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