CVE-2016-7128

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2016-09-12 · updated 2026-06-17
Weakness: CWE-200

Description

The exif_process_IFD_in_TIFF function in ext/exif/exif.c in PHP before 5.6.25 and 7.x before 7.0.10 mishandles the case of a thumbnail offset that exceeds the file size, which allows remote attackers to obtain sensitive information from process memory via a crafted TIFF image.

Affected products

PHP: through 5.6.24; 7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.0.5 (+4)

References

http://openwall.com/lists/oss-security/2016/09/02/9
http://rhn.redhat.com/errata/RHSA-2016-2750.html
http://www.php.net/ChangeLog-5.php
http://www.php.net/ChangeLog-7.php
http://www.securityfocus.com/bid/92564
http://www.securitytracker.com/id/1036680
https://bugs.php.net/bug.php?id=72627
https://github.com/php/php-src/commit/6dbb1ee46b5f4725cc6519abf91e512a2a10dfed?w=1
https://security.gentoo.org/glsa/201611-22
https://www.tenable.com/security/tns-2016-19
http://openwall.com/lists/oss-security/2016/09/02/9
http://rhn.redhat.com/errata/RHSA-2016-2750.html

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