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TI-2019-08265 Aliases CVE-2019-11049GHSA-h3jj-5ghg-r32j

mail() may release string with refcount==1 twice

Priority MEDIUM 49CWE-415Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-415 and the CVSS impact.

Summary

In PHP versions 7.3.x below 7.3.13 and 7.4.0 on Windows, when supplying custom headers to mail() function, due to mistake introduced in commit 78f4b4a2dcf92ddbccea1bb95f8390a18ac3342e, if the header is supplied in lowercase, this can result in double-freeing certain memory locations.

Why it matters now

EPSS 0.04218 91st percentileScored 2026-11-07
Fix Fixed PHP (PHP Group): 7.3.13, 7.4.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
PHP GroupPHP7.3.x to before 7.3.13; 7.4.x to before 7.4.17.3.13, 7.4.1Patch availableCNA
  • PHP VendorPHP Group Affected 7.3.x to before 7.3.13; 7.4.x to before 7.4.1 Fixed in 7.3.13, 7.4.1 Patch available CNA

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*7.3.0 – 7.3.13VulnerablePHP
cpe:2.3:a:php:php:7.4.0:*:*:*:*:*:*:*7.4.0VulnerablePHP
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*30VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*31VulnerableFedoraproject
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:a:php:php:*:*:*:*:*:*:*:* Versions 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:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
  • cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* Versions 30 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* Versions 31 Vulnerable ·Fedoraproject
  • 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

Remediation

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

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-2019-08260 link() silently truncates after a null byte on WindowsPriority MEDIUM 41
    • TI-2019-08266 Use-after-free in exif parsing under memory sanitizerPriority LOW 39
    • 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-2019-08260 link() silently truncates after a null byte on WindowsPriority MEDIUM 41
    • TI-2019-08266 Use-after-free in exif parsing under memory sanitizerPriority LOW 39
    • TI-2019-08263 Heap-buffer-overflow READ in exifPriority LOW 39
    Show all 6 records → Advisory →

Vendor assessments

Red Hat

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

Not affected: 5 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Software Collections

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11049
  2. 2026-10-03 Alias added: GHSA-h3jj-5ghg-r32j

References

Patch 1

Advisory 6

  • 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