CVE-2011-0761
Perl 5.10.x allows context-dependent attackers to cause a denial of service (NULL pointer...
CVE-2011-0761 is a medium vulnerability (CVSS 5.0) in Perl, published May 13, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 8.88%, the 95th percentile. Fixed in perl 5.12.0-1.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-0761- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-0761- Updated
- 2026-11-02
EUVDEUVD-2011-0773 No score
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.
- Record
EUVD-2011-0773- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mmv5-472c-pf4c No score
Perl 5.10.x allows context-dependent attackers to cause a denial of service (NULL pointer...
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.
- Record
GHSA-mmv5-472c-pf4c- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-0761- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-0761 No score
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.
- Record
DEBIAN-CVE-2011-0761- Updated
- 2026-11-02
Affected products
Affected packages
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Perl 5.10 - Multiple Null Pointer Dereference Denial of Service Vulnerabilities | 2011-05-03 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
References
toucan-system.com/advisories/tssa-2011-03.txt
securityreason.com/securityalert/8248
securitytracker.com/id?1025507
exchange.xforce.ibmcloud.com/vulnerabilities/67355
securityfocus.com/bid/47766
nvd.nist.gov/vuln/detail/CVE-2011-0761
github.com/advisories/GHSA-mmv5-472c-pf4c
security-tracker.debian.org/tracker/CVE-2011-0761