The setlocale function in PHP before 5.2.4 allows context-dependent attackers to cause a denial of service (application crash) via a long…

Description

The setlocale function in PHP before 5.2.4 allows context-dependent attackers to cause a denial of service (application crash) via a long string in the locale parameter. NOTE: this might not be a vulnerability in most web server environments that support multiple threads, unless this issue can be demonstrated for code execution.

Scores

EPSS (exploitation in 30 days)

2.5% · top 15% of all CVEs (3 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.

Weakness

• n/a
• CWE-20 (opens in a new tab)All about CWE-20 and its CVEs

Affected products

• n/a

  • affected n/a

References (8)

• 20070904 PHP < 5.2.4 setlocale() denial of service (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
• SUSE-SA:2008:004 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• 28658 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• GLSA-200710-02 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• php-setlocale-dos(36458) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 38687 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
• 27102 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• 3114 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2007-4784](https://trackcve.app/badge/CVE-2007-4784.svg)](https://trackcve.app/cve/CVE-2007-4784)

Record last updated 7 Aug 2024, 15:08 UTC.