Vulnerability Report

CVE-2009-3626

Title: Perl Denial of Service (DoS)

DoS

Proof Of Concept

No public PoC currently indexed for CVE-2009-3626.

CWE Category NVD-CWE-noinfo

Published Date Oct 29, 2009

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 5.0 CVSS v2.0

Exploit Probability (EPSS)

2.20%

Vulnerability Summary

CVE-2009-3626: Perl 5.10.1 allows context-dependent attackers to cause a denial of service (application crash) via a UTF-8 character with a large, invalid codepoint, which is not properly handled during a regular-expression match.

Impacted Vendors

perl 1

larry_wall 1

Reference Links

http://perl5.git.perl.org/perl.git/commit/0abd0d78a73da1c4d13b1c700526b7e5d03b32d4 http://rt.perl.org/rt3/Public/Bug/Display.html?id=69973 http://rt.perl.org/rt3/Ticket/Attachment/617489/295383/ http://secunia.com/advisories/37144 http://securitytracker.com/id?1023077 http://www.openwall.com/lists/oss-security/2009/10/23/8 http://www.osvdb.org/59283 http://www.securityfocus.com/bid/36812 http://www.vupen.com/english/advisories/2009/3023 https://exchange.xforce.ibmcloud.com/vulnerabilities/53939 https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6225 http://perl5.git.perl.org/perl.git/commit/0abd0d78a73da1c4d13b1c700526b7e5d03b32d4 http://rt.perl.org/rt3/Public/Bug/Display.html?id=69973 http://rt.perl.org/rt3/Ticket/Attachment/617489/295383/ http://secunia.com/advisories/37144 http://securitytracker.com/id?1023077 http://www.openwall.com/lists/oss-security/2009/10/23/8 http://www.osvdb.org/59283 http://www.securityfocus.com/bid/36812 http://www.vupen.com/english/advisories/2009/3023 https://exchange.xforce.ibmcloud.com/vulnerabilities/53939 https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6225

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2009-3626 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

October 29, 2009 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:L/Au:N/C:N/I:N/A:P

Affected Stack

No specific products linked.