---
cve: "CVE-2010-4645"
severity: "LOW"
cvss: 3.1
epss: "15.1%"
vendor: "n/a"
kev: false
exploited: false
published: "2011-01-11 03:00:04"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-12T11:05:29+02:00"
---

# CVE-2010-4645

> 3.1 LOW

## Beschreibung

strtod.c, as used in the zend_strtod function in PHP 5.2 before 5.2.17 and 5.3 before 5.3.5, and other products, allows context-dependent attackers to cause a denial of service (infinite loop) via a certain floating-point value in scientific notation, which is not properly handled in x87 FPU registers, as demonstrated using 2.2250738585072011e-308.

## CVSS-Vektor

```
AV:N/AC:L/Au:N/C:N/I:N/A:P
```

## Exploit-Evidenz

- [EDB-35164 — PHP 5.3.2 - 'zend_strtod()' Floating-Point Value Denial of Service](https://www.exploit-db.com/exploits/35164) ✅

## Referenzen

- <http://www.vupen.com/english/advisories/2011/0077>
- <http://www.securityfocus.com/bid/45668>
- <http://marc.info/?l=bugtraq&m=133226187115472&w=2>
- <http://secunia.com/advisories/42812>
- <http://marc.info/?l=bugtraq&m=133469208622507&w=2>
- <http://www.redhat.com/support/errata/RHSA-2011-0196.html>
- <http://lists.fedoraproject.org/pipermail/package-announce/2011-January/053355.html>
- <http://www.openwall.com/lists/oss-security/2011/01/05/8>
- <http://www.redhat.com/support/errata/RHSA-2011-0195.html>
- <http://bugs.php.net/53632>
- <http://hal.archives-ouvertes.fr/docs/00/28/14/29/PDF/floating-point-article.pdf>
- <http://www.exploringbinary.com/php-hangs-on-numeric-value-2-2250738585072011e-308/>
- <http://www.vupen.com/english/advisories/2011/0198>
- <http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.484686>
- <http://www.vupen.com/english/advisories/2011/0066>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2010-4645) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_