CVE-2011-0761
perl: NULL pointer dereference via crafted SOCKET, DIRHANDLE or FILEHANDLE value
Severity
LowRed Hat Product Security
CVSS 2.0
Review impact separately from score.
Published · May 3, 2011
Updated · November 21, 2025
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.
Statement
Red Hat does not consider this problem to be a security issue. Input passed to these functions should be under the full control of the script author, therefore no trust boundary is crossed.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 2.0 · 5AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-476 · NULL Pointer Dereference