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HIGH

CVE-2024-11234

CVSS v3

7.2

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-10-19

CISA KEV

No

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

  • phpBitnamiall versions · fixed in 8.1.31and 2 other packages
  • apcu-panelAlmaLinux:8all versions · fixed in 5.1.18-1.module_el8.6.0+2750+78feabcband 1 other package
  • libzipAlmaLinux:8all versions · fixed in 1.6.1-1.module_el8.10.0+3935+28808425and 1 other package
  • libzip-develAlmaLinux:8all versions · fixed in 1.6.1-1.module_el8.6.0+3239+bedf0508
  • phpAlmaLinux:9all versions · fixed in 8.2.28-1.module_el9.6.0+165+cf879a7cand 24 other packages
  • phpAlmaLinux:8all versions · fixed in 7.4.33-3.module_el8.10.0+4114+3b36c618and 26 other packages
  • php-pearAlmaLinux:8all versions · fixed in 1:1.10.13-1.module_el8.10.0+3935+28808425
  • php-pecl-apcuAlmaLinux:9all versions · fixed in 5.1.23-1.module_el9.4.0+65+49ff6472and 2 other packages

8 more package ranges on OSV.dev

Vendor advisories

  • CVE-2024-11234 Red Hat Product Security1,303 products fixed · 73 known affected

    php: Configuring a proxy in a stream context might allow for CRLF injection in URIs

    php as a component of Red Hat Enterprise Linux 7 · php-bcmath as a component of Red Hat Enterprise Linux 7 · php-cli as a component of Red Hat Enterprise Linux 7

  • RHSA-2026:2470 Red Hat Product Security301 products fixed

    Red Hat Security Advisory: php:7.4 security update

  • RHSA-2025:15687 Red Hat Product Security285 products fixed

    Red Hat Security Advisory: php:8.2 security update

  • RHSA-2025:7432 Red Hat Product Security258 products fixed

    Red Hat Security Advisory: php:8.2 security update

  • RHSA-2025:7315 Red Hat Product Security201 products fixed

    Red Hat Security Advisory: php security update

  • RHSA-2025:4263 Red Hat Product Security258 products fixed

    Red Hat Security Advisory: php:8.1 security update

Full record on NVD

Description

In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, when using streams with configured proxy and "request_fulluri" option, the URI is not properly sanitized which can lead to HTTP request smuggling and allow the attacker to use the proxy to perform arbitrary HTTP requests originating from the server, thus potentially gaining access to resources not normally available to the external user.

Technical details

Published
2024-11-24

Frequently asked questions

What is CVE-2024-11234?

In PHP versions 8.1.* before 8.1.31, 8.2.* before 8.2.26, 8.3.* before 8.3.14, when using streams with configured proxy and "request_fulluri" option, the URI is not properly sanitized which can lead to HTTP request smuggling and allow the attacker to use the proxy to perform arbitrary HTTP requests originating from the server, thus potentially gaining access to resources not normally available to the external user.

Is CVE-2024-11234 actively exploited?

Active exploitation of CVE-2024-11234 has not been confirmed. Its EPSS score was 1.1% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-11234?

CVE-2024-11234 has a CVSS v3 base score of 7.2 (HIGH severity).

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