What’s Vulnerable › Vulnerabilities

CVE-2019-11041: heap-buffer-overflow on exif_scan_thumbnail in EXIF extension

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-08-09 · updated 2026-06-17
• Weakness: CWE-125

Description

When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.31, 7.2.x below 7.2.21 and 7.3.x below 7.3.8 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.

Affected products

• macOS: before 10.15.1 — fixed in 10.15.1
• Canonical Ubuntu Linux: 12.04, 14.04, 16.04, 18.04, 19.04
• Debian Linux: 8.0, 9.0, 10.0
• openSUSE Leap: 15.0
• PHP: from 7.1.0 before 7.1.31; from 7.2.0 before 7.2.21; from 7.3.0 before 7.3.8 — fixed in 7.1.31, 7.2.21, 7.3.8
• RedHat Software Collections: 1.0
• Tenable.sc: before 5.19.0 — fixed in 5.19.0

How to fix

Upgrade to a fixed version: macOS 10.15.1; PHP 7.1.31, 7.2.21, 7.3.8; Tenable.sc 5.19.0. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00019.html
• http://seclists.org/fulldisclosure/2019/Oct/15
• http://seclists.org/fulldisclosure/2019/Oct/55
• https://access.redhat.com/errata/RHSA-2019:3299
• https://bugs.php.net/bug.php?id=78222
• https://lists.debian.org/debian-lts-announce/2019/08/msg00010.html
• https://seclists.org/bugtraq/2019/Oct/9
• https://seclists.org/bugtraq/2019/Sep/35
• https://seclists.org/bugtraq/2019/Sep/38
• https://security.netapp.com/advisory/ntap-20190822-0003/
• https://support.apple.com/kb/HT210634
• https://support.apple.com/kb/HT210722

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