HIGH

CVE-2019-9639

CVSS v3

7.5

HIGH

EPSS Score

8.2 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

apcu-panelAlmaLinux:8all versions · fixed in 5.1.12-2.module_el8.3.0+2010+7c76a223and 1 other package
libzipAlmaLinux:8all versions · fixed in 1.5.1-2.module_el8.5.0+53+9945c2afand 2 other packages
phpAlmaLinux:8all versions · fixed in 7.2.24-1.module_el8.5.0+53+9945c2afand 9 other packages
php-dbaAlmaLinux:8all versions · fixed in 7.2.24-1.module_el8.3.0+2010+7c76a223and 6 other packages
php-gdAlmaLinux:8all versions · fixed in 7.2.24-1.module_el8.4.0+2228+7c76a223and 9 other packages
php-pearAlmaLinux:8all versions · fixed in 1:1.10.5-9.module_el8.3.0+2010+7c76a223
php-pecl-apcu-develAlmaLinux:8all versions · fixed in 5.1.12-2.module_el8.4.0+2228+7c76a223
php-pecl-zipAlmaLinux:8all versions · fixed in 1.15.3-1.module_el8.3.0+2010+7c76a223

Vendor advisories

CVE-2019-9639 Red Hat Product Security1,125 products fixed · 32 known affected
php: Uninitialized read in exif_process_IFD_in_MAKERNOTE
rh-php70-php as a component of Red Hat Software Collections · rh-php70-php-bcmath as a component of Red Hat Software Collections · rh-php70-php-cli as a component of Red Hat Software Collections
ICSA-26-027-02 CISA1 known affected
Festo Didactic SE MES PC
Festo Didactic SE MES PC shipped with Windows 10
RHSA-2020:1624 Red Hat Product Security275 products fixed
Red Hat Security Advisory: php:7.2 security, bug fix, and enhancement update
RHSA-2019:3299 Red Hat Product Security425 products fixed
Red Hat Security Advisory: rh-php72-php security update
RHSA-2019:2519 Red Hat Product Security425 products fixed
Red Hat Security Advisory: rh-php71-php security, bug fix, and enhancement update

Full record on NVD

Description

An issue was discovered in the EXIF component in PHP before 7.1.27, 7.2.x before 7.2.16, and 7.3.x before 7.3.3. There is an uninitialized read in exif_process_IFD_in_MAKERNOTE because of mishandling the data_len variable.

Technical details

Published: 2019-03-09

Frequently asked questions

What is CVE-2019-9639?

Is CVE-2019-9639 actively exploited?

Active exploitation of CVE-2019-9639 has not been confirmed. Its EPSS score was 8.2% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-9639?

CVE-2019-9639 has a CVSS v3 base score of 7.5 (HIGH severity).

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