CVE-2019-11034

Heap over-read in PHP EXIF extension

CRITICAL
9.1
CVSS Score
Published: April 18, 2019 at 04:57 PM UTC
Updated: June 17, 2026 at 02:12 AM UTC
6 products affected across 6 vendorsDebian LinuxUbuntu LinuxLeap

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Severity
CRITICAL9.1
Exploit prediction
EPSS 4%

Description

When processing certain files, PHP EXIF extension in versions 7.1.x below 7.1.28, 7.2.x below 7.2.17 and 7.3.x below 7.3.4 can be caused to read past allocated buffer in exif_process_IFD_TAG function. 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%
7.1.0 ≤ v < 7.1.287.1.x ≤ v < 7.1.287.2.9 ≤ v < 7.2.177.2.x ≤ v < 7.2.177.3.0 ≤ v < 7.3.47.3.x ≤ v < 7.3.47.1.x7.2.x7.3.x
Affected range stops below 7.1.28, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.2.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.3.4, so it looks safe — our inference, not a vendor statement

References (14)

Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00010.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:2519
Vendor Advisoryx_refsource_REDHATThird Party Advisory
https://access.redhat.com/errata/RHSA-2019:3299
x_refsource_MISCPatchVendor Advisory
https://bugs.php.net/bug.php?id=77753
Mailing Listx_refsource_MLISTThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/05/msg00035.html

CVSS

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

Quick Info

StatusMODIFIED
CWE
CWE-125

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