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CVE-2007-5116

Published: Nov 7, 2007Updated: Apr 23, 2026 Sources: CVE List NVDCWE-119

Description

Buffer overflow in the polymorphic opcode support in the Regular Expression Engine (regcomp.c) in Perl 5.8 allows context-dependent attackers to execute arbitrary code by switching from byte to Unicode (UTF) characters in a regular expression.

CVSS Vector Breakdown

AV:NAC:LAu:NC:PI:PA:P
Exploitability
AV:NAccess Vector
Network
AC:LAccess Complexity
Low
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:PAvailability
Partial

Weaknesses

Affected Products

larry wallindividual-devUSOSS Libraries
mandrakesoftcommercialFROperating Systemsaka mandriva, mandrakesoft linux
redhatcommercialUSOperating Systemsaka red hat

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

and 50 more references View all →

Timeline

Published
Nov 7, 2007
Last Updated
Apr 23, 2026

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