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TI-2019-08266 Aliases CVE-2019-11050GHSA-63c4-4xxp-x2q7

Use-after-free in exif parsing under memory sanitizer

Priority LOW 39CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
Low · None · Low
Fix status
Partial Red Hat: 5 fixed, 5 without a fix

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.

Summary

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.

Why it matters now

EPSS 0.07624 94th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial PHP (PHP Group): 7.2.26, 7.3.13, 7.4.1Red Hat: 2 advisoriesRed Hat: 5 fixed, 5 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
PHP GroupPHP7.2.x to before 7.2.26; 7.3.x to before 7.3.13; 7.4.x to before 7.4.17.2.26, 7.3.13, 7.4.1Patch availableCNA
  • PHP VendorPHP Group Affected 7.2.x to before 7.2.26; 7.3.x to before 7.3.13; 7.4.x to before 7.4.1 Fixed in 7.2.26, 7.3.13, 7.4.1 Patch available CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*7.2.0 – 7.2.26; 7.3.0 – 7.3.13VulnerablePHP
cpe:2.3:a:php:php:7.4.0:*:*:*:*:*:*:*7.4.0VulnerablePHP
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*18.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*19.04VulnerableCanonical
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
  • cpe:2.3:a:php:php:*:*:*:*:*:*:*:* Versions 7.2.0 – 7.2.26; 7.3.0 – 7.3.13 Vulnerable ·PHP
  • cpe:2.3:a:php:php:7.4.0:*:*:*:*:*:*:* Versions 7.4.0 Vulnerable ·PHP
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Versions 18.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* Versions 19.04 Vulnerable ·Canonical
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:a:tenable:security_center:*:*:*:*:*:*:*:*before 5.19.0VulnerableTenable
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:a:tenable:security_center:*:*:*:*:*:*:*:* Versions before 5.19.0 Vulnerable ·Tenable
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE

Remediation

  • Fix · CNA PHP (PHP Group) Fixed in 7.2.26, 7.3.13, 7.4.1

Red Hat 2 advisories

  • RHSA-2020:5275 Released 2020-12-01 · Red Hat rating Moderate
    rh-php73-php security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php73-php-7.3.20-1.el7, rh-php73-php-bcmath-7.3.20-1.el7, rh-php73-php-cli-7.3.20-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-php73-php-7.3.20-1.el7, rh-php73-php-bcmath-7.3.20-1.el7, rh-php73-php-cli-7.3.20-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7) rh-php73-php-7.3.20-1.el7, rh-php73-php-bcmath-7.3.20-1.el7, rh-php73-php-cli-7.3.20-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php73-php-7.3.20-1.el7, rh-php73-php-bcmath-7.3.20-1.el7, rh-php73-php-cli-7.3.20-1.el7 +26
  • RHSA-2020:3662 Released 2020-09-08 · Red Hat rating Moderate
    php:7.3 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.17-1.module+el8.1.0+3189+a1bff096.noarch::php:7.3, libzip-1.5.2-1.module+el8.1.0+3189+a1bff096.aarch64::php:7.3, libzip-1.5.2-1.module+el8.1.0+3189+a1bff096.ppc64le::php:7.3 +47

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    PHP — FEDORA-2019-437d94e271

    6 records Highest priority Priority MEDIUM 2 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2019-08265 mail() may release string with refcount==1 twicePriority MEDIUM 49
    • TI-2019-08260 link() silently truncates after a null byte on WindowsPriority MEDIUM 41
    • TI-2019-08263 Heap-buffer-overflow READ in exifPriority LOW 39
    Show all 6 records → Advisory →
  • Advisory ·

    PHP — FEDORA-2019-a54a622670

    6 records Highest priority Priority MEDIUM 2 MEDIUM, 4 LOW

    Other records, highest priority first

    • TI-2019-08265 mail() may release string with refcount==1 twicePriority MEDIUM 49
    • TI-2019-08260 link() silently truncates after a null byte on WindowsPriority MEDIUM 41
    • TI-2019-08263 Heap-buffer-overflow READ in exifPriority LOW 39
    Show all 6 records → Advisory →
Show 2 more groups
  • Advisory ·

    PHP — openSUSE-SU-2020:0080

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2019-08263 Heap-buffer-overflow READ in exifPriority LOW 39
    • TI-2019-08261 DirectoryIterator class silently truncates after a null bytePriority LOW 38
    • TI-2019-08262 Buffer underflow in bc_shift_addsubPriority LOW 31
    Show all 4 records → Advisory →
  • Advisory ·

    PHP — USN-4239-1

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2019-08263 Heap-buffer-overflow READ in exifPriority LOW 39
    • TI-2019-08261 DirectoryIterator class silently truncates after a null bytePriority LOW 38
    • TI-2019-08262 Buffer underflow in bc_shift_addsubPriority LOW 31
    Show all 4 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 6AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux 7AffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux 8AffectedNo fix yet: Fix deferred
Red Hat Software CollectionsAffectedNo fix yet: Fix deferred
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:3662
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2020:5275
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2020:5275
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2020:5275
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2020:5275

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11050
  2. 2026-10-03 Alias added: GHSA-63c4-4xxp-x2q7

References

Exploit 1

Advisory 12

  • TI-2024-04260 Argument Injection in PHP-CGI KEVCVSS 3.1CRITICAL 9.8
  • TI-2026-78794 PHP remote code execution via stale global state KEVCVSS 4.0CRITICAL 9.2
  • TI-2026-78793 Out-of-memory handling flaw in PHP allows remote code execution KEVCVSS 4.0CRITICAL 9.2
  • TI-2024-01743 Command injection via array-ish $command parameter of proc_open() CVSS 3.1CRITICAL 9.4
  • TI-2022-13555 PDO::quote() may return unquoted string CVSS 3.1CRITICAL 9.1
  • TI-2024-10408 Reference counting in php_request_shutdown causes Use-After-Free CVSS 4.0CRITICAL 9.2
See all 107 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences