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Fencer Vulns
medium 4.8

CVE-2019-11042 json

heap-buffer-overflow on exif_process_user_comment in EXIF extension

published 2019-08-09 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-2750

cvss
4.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known

Summary

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.

Patch / fix

  • php php 7.1.31, 7.2.21, 7.3.8
  • tenable tenable.sc 5.19.0
  • apple mac_os_x 10.15.1
  • php7.0 Ubuntu 16.04 LTS 7.0.33-0ubuntu0.16.04.6
  • php7.2 Ubuntu 18.04 LTS 7.2.19-0ubuntu0.18.04.2
  • php5 Ubuntu Pro 14.04 LTS 5.5.9+dfsg-1ubuntu4.29+esm5

ubuntu advisories UBUNTU-CVE-2019-11042

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • php RHEL 8 7.3.20-1.module+el8.2.0+7373+b272fdef
  • libzip RHEL 8 1.5.2-1.module+el8.1.0+3189+a1bff096
  • php-gd RHEL 8 7.3.20-1.module+el8.2.0+7373+b272fdef
  • php-cli RHEL 8 7.3.20-1.module+el8.2.0+7373+b272fdef
  • php-dba RHEL 8 7.3.20-1.module+el8.2.0+7373+b272fdef
  • php-dbg RHEL 8 7.3.20-1.module+el8.2.0+7373+b272fdef
  • php-fpm RHEL 8 7.3.20-1.module+el8.2.0+7373+b272fdef
  • php-gmp RHEL 8 7.3.20-1.module+el8.2.0+7373+b272fdef

red hat advisories RHSA-2020:3662RHSA-2020:1624RHSA-2019:3299

  • php7 SLES for SAP 15 SP1, SLES for SAP 15, SLES 15-LTSS +8 more 7.2.34-150000.4.103.1
  • php5 SLE Software Development Kit 12 SP4, SLE Module for Web and Scripting 12 5.5.14-109.68.1
  • php7 SLE Module for Web and Scripting 15 SP1, SLE Module for Web and Scripting 15, SLE Module for Package Hub 15 7.2.5-4.40.1
  • php53 SLES 11 SP4-LTSS, SLE Point of Sale 11 SP3 5.3.17-112.71.1
  • php72 SLE Software Development Kit 12 SP4, SLE Module for Web and Scripting 12 7.2.5-1.23.1
  • php7 SLE Software Development Kit 12 SP4, SLE Module for Web and Scripting 12 7.0.7-50.85.1

suse advisories SUSE-SU-2022:4067-1SUSE-SU-2020:0522-1SUSE-SU-2019:2503-1SUSE-SU-2019:14158-1SUSE-SU-2019:2270-1SUSE-SU-2019:2243-1

  • php7 openSUSE Tumbleweed 7.4.24-1.1
  • php8 openSUSE Tumbleweed 8.0.11-1.1
  • php7 openSUSE Leap 15.0 7.2.5-lp150.2.25.1

opensuse advisories openSUSE-SU-2024:11167-1openSUSE-SU-2024:11169-1openSUSE-SU-2019:2271-1

  • php AlmaLinux 8 7.3.20-1.module_el8.4.0+2229+b272fdef
  • php AlmaLinux 8 7.3.20-1.module_el8.5.0+152+112d3b8c
  • php AlmaLinux 8 7.3.20-1.module_el8.3.0+2009+b272fdef
  • libzip AlmaLinux 8 1.5.2-1.module_el8.5.0+152+112d3b8c
  • libzip AlmaLinux 8 1.5.2-1.module_el8.3.0+2009+b272fdef
  • libzip AlmaLinux 8 1.5.2-1.module_el8.4.0+2229+b272fdef
  • php-gd AlmaLinux 8 7.3.20-1.module_el8.4.0+2229+b272fdef
  • php-gd AlmaLinux 8 7.3.20-1.module_el8.3.0+2009+b272fdef

almalinux advisories ALSA-2020:3662ALSA-2020:1624

  • php Rocky Linux 8 7.3.20-1.module+el8.4.0+414+2e7afcdd
  • libzip Rocky Linux 8 1.5.2-1.module+el8.4.0+414+2e7afcdd
  • php-pear Rocky Linux 8 1:1.10.9-1.module+el8.4.0+414+2e7afcdd
  • php-pecl-rrd Rocky Linux 8 2.0.1-1.module+el8.4.0+414+2e7afcdd
  • php-pecl-zip Rocky Linux 8 1.15.4-1.module+el8.4.0+414+2e7afcdd
  • php-pecl-apcu Rocky Linux 8 5.1.17-1.module+el8.4.0+414+2e7afcdd
  • php-pecl-xdebug Rocky Linux 8 2.8.0-1.module+el8.4.0+414+2e7afcdd
  • php Rocky Linux 8 7.2.24-1.module+el8.4.0+413+c9202dda

rocky linux advisories RLSA-2020:3662RLSA-2020:1624

  • php7 Alpine 3.15, Alpine 3.14, Alpine 3.13 +3 more 7.3.8-r0
  • php7 Alpine 3.7 7.1.32-r0
  • php7 Alpine 3.9, Alpine 3.8 7.2.21-r0

alpine advisories ALPINE-CVE-2019-11042

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-11042 updated cvss 3.7

php: Heap buffer over-read in exif_process_user_comment()

  • Red Hat Enterprise Linux 5 php, php53 Red Hat Enterprise Linux 6 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +20 more
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 7 php, php-gd, php-cli, php-dba, php-fpm, php-pdo, +18 more
    affected: no fix available “Fix deferred”
  • Red Hat Software Collections rh-php70-php, rh-php71-php, rh-php70-php-gd, rh-php71-php-gd, rh-php70-php-cli, rh-php70-php-dba, +52 more
    affected: no fix available, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux AppStream (v. 8) php 7.2.24-1.module+el8.2.0+4601+7c76a223, php 7.3.20-1.module+el8.2.0+7373+b272fdef, libzip 1.5.1-2.module+el8.1.0+3202+af5476b9, libzip 1.5.2-1.module+el8.1.0+3189+a1bff096, php-gd 7.2.24-1.module+el8.2.0+4601+7c76a223, php-gd 7.3.20-1.module+el8.2.0+7373+b272fdef, +60 more
    fixed: vendor fix RHSA-2020:1624
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php72-php 7.2.24-1.el7, rh-php72-php-gd 7.2.24-1.el7, rh-php72-php-cli 7.2.24-1.el7, rh-php72-php-dba 7.2.24-1.el7, rh-php72-php-dbg 7.2.24-1.el7, rh-php72-php-fpm 7.2.24-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-php72-php 7.2.24-1.el7, rh-php72-php-gd 7.2.24-1.el7, rh-php72-php-cli 7.2.24-1.el7, rh-php72-php-dba 7.2.24-1.el7, rh-php72-php-dbg 7.2.24-1.el7, rh-php72-php-fpm 7.2.24-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-php72-php 7.2.24-1.el7, rh-php72-php-gd 7.2.24-1.el7, rh-php72-php-cli 7.2.24-1.el7, rh-php72-php-dba 7.2.24-1.el7, rh-php72-php-dbg 7.2.24-1.el7, rh-php72-php-fpm 7.2.24-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-php72-php 7.2.24-1.el7, rh-php72-php-gd 7.2.24-1.el7, rh-php72-php-cli 7.2.24-1.el7, rh-php72-php-dba 7.2.24-1.el7, rh-php72-php-dbg 7.2.24-1.el7, rh-php72-php-fpm 7.2.24-1.el7, +22 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php72-php 7.2.24-1.el7, rh-php72-php-gd 7.2.24-1.el7, rh-php72-php-cli 7.2.24-1.el7, rh-php72-php-dba 7.2.24-1.el7, rh-php72-php-dbg 7.2.24-1.el7, rh-php72-php-fpm 7.2.24-1.el7, +22 more
    fixed: vendor fix RHSA-2019:3299
  • Red Hat Software Collections rh-php73-php, rh-php73-php-gd, rh-php73-php-cli, rh-php73-php-dba, rh-php73-php-dbg, rh-php73-php-fpm, +22 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

cisa ICSA-26-027-02 updated cvss 7.1

Festo Didactic SE MES PC

  • Festo Didactic SE MES PC shipped_with_Windows_10
    affected: vendor fix

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

Exploit prediction

4.42% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • bugs.php.net https://bugs.php.net/bug.php?id=78256 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 4.8 CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD 3.1 7.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
NVD 2.0 5.8 AV:N/AC:M/Au:N/C:P/I:N/A:P

Affected products

  • PHP Group PHP

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.