CVE-2006-1549

NONECVSS 0.0Weaponized

0.0

PHP 4.4.2 and 5.1.2 allows local users to cause a crash (segmentation fault) by defining and executing a recursive function. NOTE: it has been reported by a reliable third party that some later versions are also affected.

CVSS v3: —
EG Score: —
EPSS: 39.3%
KEV: Not listed

Published

April 10, 2006

Last Modified

April 16, 2026

References (26)

cve@mitrehttp://securityreason.com/achievement_securityalert/35
cve@mitrehttp://securityreason.com/securityalert/2312
cve@mitrehttp://securityreason.com/securityalert/676
cve@mitrehttp://securitytracker.com/id?1015880
cve@mitrehttp://www.osvdb.org/24485
cve@mitrehttp://www.php-security.org/MOPB/MOPB-02-2007.html
cve@mitrehttp://www.securityfocus.com/archive/1/430453/100/0/threaded
cve@mitrehttp://www.securityfocus.com/archive/1/430598/100/0/threaded
cve@mitrehttp://www.securityfocus.com/archive/1/430742/100/0/threaded
cve@mitrehttp://www.securityfocus.com/archive/1/431018/100/0/threaded
cve@mitrehttp://www.securityfocus.com/bid/22766
cve@mitrehttp://www.vupen.com/english/advisories/2006/1290
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/25704
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/achievement_securityalert/35
af854a3a-2127-422b-91ae-364da2661108http://securityreason.com/securityalert/2312

Data Freshness Timeline

(refreshed 8× in last 7d / 16× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-29693✓ verified
First seen Mar 1, 2007
PHP 4/5 - Executor Deep Recursion Remote Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2006-1549?

CVE-2006-1549 is a none vulnerability published on April 10, 2006. PHP 4.4.2 and 5.1.2 allows local users to cause a crash (segmentation fault) by defining and executing a recursive function. NOTE: it has been reported by a reliable third party that some later versions are also affected.

When was CVE-2006-1549 disclosed?

CVE-2006-1549 was first published in the National Vulnerability Database on April 10, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2006-1549 actively exploited?

CVE-2006-1549 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2006-1549?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-1549, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2006-1549

📅 Published

🔄 Last Modified

🔗 References (26)