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TI-2019-08255 Aliases CVE-2019-11039GHSA-fc8g-9mgh-947m

Out-of-bounds read in iconv.c

Priority MEDIUM 45CWE-125Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · High
Fix status
Partial Red Hat: 7 fixed, 2 without a fix

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

Summary

Function iconv_mime_decode_headers() in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 may perform out-of-buffer read due to integer overflow when parsing MIME headers. This may lead to information disclosure or crash.

Why it matters now

EPSS 0.0313 87th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 4 advisoriesRed Hat: 7 fixed, 2 without a fix

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
PHP GroupPHP7.1.30; 7.2.19; 7.3.6—No fix listedCNA
  • PHP VendorPHP Group Affected 7.1.30; 7.2.19; 7.3.6 Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*7.1.0 to before 7.1.30; 7.2.0 to before 7.2.19; 7.3.0 to before 7.3.6VulnerablePHP
cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*1.0VulnerableRed Hat
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*15.0VulnerableopenSUSE
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*15.1VulnerableopenSUSE
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:php:php:*:*:*:*:*:*:*:* Versions 7.1.0 to before 7.1.30; 7.2.0 to before 7.2.19; 7.3.0 to before 7.3.6 Vulnerable ·PHP
  • cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Red Hat
  • cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* Versions 15.0 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* Versions 15.1 Vulnerable ·openSUSE
  • 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

Remediation

Red Hat 4 advisories

  • 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
  • RHSA-2020:1624 Released 2020-04-28 · Red Hat rating Moderate
    php:7.2 security, bug fix, and enhancement update
    • Red Hat Enterprise Linux AppStream (v. 8) apcu-panel-5.1.12-2.module+el8.1.0+3202+af5476b9.noarch::php:7.2, libzip-1.5.1-2.module+el8.1.0+3202+af5476b9.aarch64::php:7.2, libzip-1.5.1-2.module+el8.1.0+3202+af5476b9.ppc64le::php:7.2 +47
  • RHSA-2019:3299 Released 2019-11-01 · Red Hat rating Critical
    rh-php72-php security update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php72-php-7.2.24-1.el7, rh-php72-php-bcmath-7.2.24-1.el7, rh-php72-php-cli-7.2.24-1.el7 +26
    • 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-bcmath-7.2.24-1.el7, rh-php72-php-cli-7.2.24-1.el7 +26
    • 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-bcmath-7.2.24-1.el7, rh-php72-php-cli-7.2.24-1.el7 +26
    • 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-bcmath-7.2.24-1.el7, rh-php72-php-cli-7.2.24-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php72-php-7.2.24-1.el7, rh-php72-php-bcmath-7.2.24-1.el7, rh-php72-php-cli-7.2.24-1.el7 +26
Show 1 more Red Hat advisories
  • RHSA-2019:2519 Released 2019-08-19 · Red Hat rating Moderate
    rh-php71-php security, bug fix, and enhancement update
    • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26
    • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) rh-php71-php-7.1.30-1.el7, rh-php71-php-bcmath-7.1.30-1.el7, rh-php71-php-cli-7.1.30-1.el7 +26

Fixed in the same release

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

  • Advisory ·

    PHP — openSUSE-SU-2019:1778

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2019-08256 Heap buffer overflow in EXIF extensionPriority MEDIUM 46

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Will not fix
Red Hat Software CollectionsAffectedNo fix planned: Will not fix
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2020:1624, RHSA-2020:3662
Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2019:2519, RHSA-2019:3299
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.4)Fixed RHSA-2019:2519
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.5)Fixed RHSA-2019:2519, RHSA-2019:3299
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.6)Fixed RHSA-2019:2519, RHSA-2019:3299
Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.7)Fixed RHSA-2019:3299
Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2019:2519, RHSA-2019:3299
Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-11039
  2. 2026-10-03 Alias added: GHSA-fc8g-9mgh-947m

References

  • 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