Off-by-one error in the str_ireplace function in PHP 5.2.1 might allow context-dependent attackers to cause a denial of service (crash).
CVE-2007-0911
- No confirmed exploitation signals yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 91.6%
- KEV
- Not listed
Published
February 13, 2007
Last Modified
April 23, 2026
References (20)
- cve@mitrehttp://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.36&r2=1.445.2.14.2.37
- cve@mitrehttp://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html
- cve@mitrehttp://marc.info/?l=php-dev&m=117104930526516&w=2
- cve@mitrehttp://marc.info/?l=php-dev&m=117106751715609&w=2
- cve@mitrehttp://osvdb.org/33952
- cve@mitrehttp://secunia.com/advisories/24514
- cve@mitrehttp://secunia.com/advisories/24606
- cve@mitrehttp://security.gentoo.org/glsa/glsa-200703-21.xml
- cve@mitrehttp://www.securityfocus.com/archive/1/459856/100/0/threaded
- cve@mitrehttp://www.securityfocus.com/bid/22505
- af854a3a-2127-422b-91ae-364da2661108http://cvs.php.net/viewvc.cgi/php-src/ext/standard/string.c?r1=1.445.2.14.2.36&r2=1.445.2.14.2.37
- af854a3a-2127-422b-91ae-364da2661108http://lists.suse.com/archive/suse-security-announce/2007-Mar/0003.html
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=php-dev&m=117104930526516&w=2
- af854a3a-2127-422b-91ae-364da2661108http://marc.info/?l=php-dev&m=117106751715609&w=2
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/33952
Data Freshness Timeline
(refreshed 4× in last 7d / 34× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
- 2026-07-13 06:07 UTCEPSS rescore
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- 2026-06-19 19:22 UTCEPSS rescore
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- 2026-05-31 22:28 UTCEPSS rescore
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- 2026-05-31 04:18 UTCEG score recompute
- 2026-05-31 04:18 UTCGHSA enrichment
- 2026-05-31 00:13 UTCEPSS rescore
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- 2026-05-29 13:40 UTCEPSS rescore
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- 2026-05-24 16:42 UTCEPSS rescore
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- 2026-05-20 22:36 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-20 11:20 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
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-29577✓ verifiedFirst seen Feb 9, 2007
PHP 5.2.1 - STR_IReplace Remote Denial of Service
Open source ↗
Frequently asked(4)
What is CVE-2007-0911?
When was CVE-2007-0911 disclosed?
Is CVE-2007-0911 actively exploited?
How do I remediate CVE-2007-0911?
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