VULNERABILITY

Debian: CVE-2024-56406: perl -- security update

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Debian: CVE-2024-56406: perl -- security update

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
04/13/2025
Created
04/16/2025
Added
04/15/2025
Modified
04/23/2025

Description

A heap buffer overflow vulnerability was discovered in Perl. Release branches 5.34, 5.36, 5.38 and 5.40 are affected, including development versions from 5.33.1 through 5.41.10. When there are non-ASCII bytes in the left-hand-side of the `tr` operator, `S_do_trans_invmap` can overflow the destination pointer `d`.    $ perl -e '$_ = "\x{FF}" x 1000000; tr/\xFF/\x{100}/;'    Segmentation fault (core dumped) It is believed that this vulnerability can enable Denial of Service and possibly Code Execution attacks on platforms that lack sufficient defenses.

Solution(s)

  • debian-upgrade-perl

References

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