CVE-2011-1938: php
Vulnerability summary
CVE-2011-1938 is a high (CVSS 7.5) vulnerability in php. EPSS estimates a 23.13% chance of exploitation in the next 30 days, higher than 97.7% of scored vulnerabilities. 2 public exploits are recorded.
Weaponized exploit (exploit-database, 04-07-2011)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 2Timeline
- 31-05-2011PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Stack-based buffer overflow in the socket_connect function in ext/sockets/sockets.c in PHP 5.3.3 through 5.3.6 might allow context-dependent attackers to execute arbitrary code via a long pathname for a UNIX socket.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
23.13%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
No change 0.00 pp
From 23.13% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
2 foundPHP 5.3.5 - 'socket_connect()' Local Buffer Overflow
Maturity: weaponized
PHP 5.3.6 - Local Buffer Overflow (ROP)
Maturity: weaponized
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Php1 product
- phpEOL5.3.3 | 5.3.4 | 5.3.5 | 5.3.6
1 vendor · 1 product
References
18 links- support.apple.com/kb/HT5130X Refsource CONFIRM
- svn.php.net/viewvc/php/php-src/trunk/ext/sockets/sockets.c?r1=311369&r2=311368&pathrev=311369X Refsource CONFIRMPatch
Show all 18 references
- www.php.net/ChangeLog-5.phpX Refsource CONFIRM
- www.php.net/archive/2011.phpX Refsource CONFIRM