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CVE-2011-1464

17
FAUCET Score

CVE-2011-1464 describes a buffer overflow vulnerability in the strval function of PHP versions prior to 5.3.6. This flaw occurs when a large precision configuration option is combined with a small numerical argument, potentially leading to an application crash. Rated with a CVSS score of 4.3 (Medium), this vulnerability has a network attack vector, medium attack complexity, and primarily results in a denial of service. There is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, and it has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 5.3.5CPE matchmatch criteria
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:php:php:1.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:php:php:2.0:*:*:*:*:*:*:*
2.0b10CPE matchmatch criteria
cpe:2.3:a:php:php:2.0b10:*:*:*:*:*:*:*
3.0CPE matchmatch criteria
cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.80%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0280 is in the 77th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2011-1464

php: Crash by retrieving string value of a variable, when high precision used

Feb 20, 2011

References

bugs.php.net / bug.php
Exploit
marc.info
mandriva.com / security/advisories
mandriva.com / security/advisories
php.net / archive/2011.php
php.net / ChangeLog-5.php
php.net / releases/5_3_6.php
vupen.com / english/advisories/2011/0744