Out-of-Bounds Affecting perl package, versions <5.8.8-12


Severity

Recommended
medium

Based on Debian security rating

    Threat Intelligence

    EPSS
    3.79% (93rd percentile)

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  • Snyk ID SNYK-DEBIAN11-PERL-517357
  • published 7 Nov 2007
  • disclosed 7 Nov 2007

How to fix?

Upgrade Debian:11 perl to version 5.8.8-12 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perl package and not the perl package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

References

CVSS Scores

version 3.1
Expand this section

NVD

7.3 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low