CVE-2019-11047

Heap-buffer-overflow READ in exif

MEDIUM
6.5
CVSS Score
Published: December 23, 2019 at 02:40 AM UTC
Updated: June 17, 2026 at 02:12 AM UTC
4 products affected across 4 vendorsDebian LinuxFedoraUbuntu Linux

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Severity
MEDIUM6.5
Exploit prediction
EPSS 7%

Description

When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

PHP· PHPdrupal
95%
7.2.0 ≤ v < 7.2.267.2.x ≤ v < 7.2.267.3.0 ≤ v < 7.3.137.3.x ≤ v < 7.3.137.4.x ≤ v < 7.4.17.2.x7.3.x7.4.07.4.x
Affected range stops below 7.2.26, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3.13, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.4.1, so it looks safe — our inference, not a vendor statement

References (13)

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-125

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