CVE-2016-4543

Related Vulnerabilities: CVE-2016-4543  

The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.

The MITRE CVE dictionary describes this issue as:

The exif_process_IFD_in_JPEG function in ext/exif/exif.c in PHP before 5.5.35, 5.6.x before 5.6.21, and 7.x before 7.0.6 does not validate IFD sizes, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted header data.

Find out more about CVE-2016-4543 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

Base Score 2.6
Base Metrics AV:N/AC:H/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Software Collections for Red Hat Enterprise Linux 7 (rh-php56-php) RHSA-2016:2750 2016-11-15
Red Hat Software Collections for Red Hat Enterprise Linux 6 (rh-php56-php) RHSA-2016:2750 2016-11-15

Affected Packages State

Platform Package State
Red Hat Software Collections for Red Hat Enterprise Linux php55-php Will not fix
Red Hat Software Collections for Red Hat Enterprise Linux php54-php Will not fix
Red Hat Enterprise Linux 7 php Will not fix
Red Hat Enterprise Linux 6 php Will not fix
Red Hat Enterprise Linux 5 php53 Will not fix
Red Hat Enterprise Linux 5 php Will not fix