CVE-2010-4645: php Numeric Errors
Vulnerability summary
CVE-2010-4645 is a medium (CVSS 5.0) Numeric Errors vulnerability in php. EPSS estimates a 15.10% chance of exploitation in the next 30 days, higher than 96.7% of scored vulnerabilities. 4 public exploits are recorded.
Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 11-01-2011PublishedVulnerability first disclosed.
- 13-02-2025Last modifiedVulnerability information updated.
Description
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 metrics
1 score · 1 source · 1 versionEPSS trend
Probability
15.10%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
No change 0.00 pp
From 15.10% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
4 foundExploit Reference (securityfocus.com)
Maturity: unknown
Exploit Reference (bugs.php.net)
Maturity: unknown
Exploit Reference (openwall.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL5.2.0 | 5.2.1 | 5.2.2 | 5.2.3 | 5.2.4 | 5.2.5 | 5.2.6 | 5.2.7 | 5.2.8 | 5.2.9 | 5.2.10 | 5.2.11 | 5.2.12 | 5.2.13 | 5.2.14 | 5.2.15 | 5.2.16 | 5.3.0 | 5.3.1 | 5.3.2 | 5.3.3 | 5.3.4
1 vendor · 1 product
References
28 links- lists.fedoraproject.org/pipermail/package-announce/2011-January/053355.htmlVendor AdvisoryX Refsource FEDORA
Show all 28 references
- slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.484686Vendor AdvisoryX Refsource SLACKWARE
- lists.fedoraproject.org/pipermail/package-announce/2011-January/053333.htmlVendor AdvisoryX Refsource FEDORA
- support.apple.com/kb/HT5002X Refsource CONFIRM