CVE-2011-0761

Perl 5.10.x DoS via NULL Pointer Dereference in getpeername, readdir, closedir, getsockname, rewinddir, tell, or telldir

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-0761. PoCs published by Jonathan Brossard.

AI-analyzed exploit summary This exploit triggers a NULL-pointer dereference in Perl 5.10.x by passing malformed arguments to the `getsockname` function, leading to a segmentation fault and denial of service.

Description

Perl 5.10.x allows context-dependent attackers to cause a denial of service (NULL pointer dereference and application crash) by leveraging an ability to inject arguments into a (1) getpeername, (2) readdir, (3) closedir, (4) getsockname, (5) rewinddir, (6) tell, or (7) telldir function call.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Jonathan Brossard · perldosmultiple
https://www.exploit-db.com/exploits/35725

This exploit triggers a NULL-pointer dereference in Perl 5.10.x by passing malformed arguments to the `getsockname` function, leading to a segmentation fault and denial of service.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Perl 5.10.x
No auth needed
Prerequisites: Perl 5.10.x installed on the target system
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/8248
Exploit vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1025507
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/67355
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/47766
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/517916/100/0/threaded

Scores

EPSS 0.0340
EPSS Percentile 87.7%

Details

Status published
Products (2)
perl/perl 5.10.0 (3 CPE variants)
perl/perl 5.10.1 (3 CPE variants)
Published May 13, 2011
Tracked Since Feb 18, 2026