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CVE-2011-2939

Publication date 13 January 2012

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Off-by-one error in the decode_xs function in Unicode/Unicode.xs in the Encode module before 2.44, as used in Perl before 5.15.6, might allow context-dependent attackers to cause a denial of service (memory corruption) via a crafted Unicode string, which triggers a heap-based buffer overflow.

Status

Package Ubuntu Release Status
perl 12.10 quantal
Not affected
12.04 LTS precise
Not affected
11.10 oneiric
Not affected
11.04 natty Ignored end of life
10.10 maverick Ignored end of life
10.04 LTS lucid
Fixed 5.10.1-8ubuntu2.2
8.04 LTS hardy
Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
perl

References

Related Ubuntu Security Notices (USN)

    • USN-1643-1
    • Perl vulnerabilities
    • 30 November 2012

Other references