Vulnerability Report

CVE-2010-4777

Title: Perl Denial of Service (DoS)

DoS

Proof Of Concept

PoC Available for CVE-2010-4777

CWE Category CWE-20

Published Date Feb 10, 2014

Modified Date Jun 16, 2026

Exploit Status Available

Score 4.3 CVSS v2.0

Exploit Probability (EPSS)

6.02%

Vulnerability Summary

CVE-2010-4777: The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.

Impacted Vendors

perl 1

larry_wall 1

Reference Links

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628836 http://forums.ocsinventory-ng.org/viewtopic.php?id=7215 http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html http://lists.opensuse.org/opensuse-updates/2011-05/msg00025.html https://bugzilla.redhat.com/show_bug.cgi?id=694166 https://listi.jpberlin.de/pipermail/postfixbuch-users/2011-February/055885.html https://rt.perl.org/Public/Bug/Display.html?id=76538 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628836 http://forums.ocsinventory-ng.org/viewtopic.php?id=7215 http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html http://lists.opensuse.org/opensuse-updates/2011-05/msg00025.html https://bugzilla.redhat.com/show_bug.cgi?id=694166 https://listi.jpberlin.de/pipermail/postfixbuch-users/2011-February/055885.html https://rt.perl.org/Public/Bug/Display.html?id=76538

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.3

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2010-4777 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/35489

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 29, 2026 MODIFIED

Vulnerability data updated via NVD.

April 11, 2025 MODIFIED

Vulnerability data or affected products updated.

February 10, 2014 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.