CVE-2024-56406

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.

We have discovered 2,070 live websites that are affected by CVE-2024-56406.

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Affected Software

Product	Perl
Category	Programming Languages
Vulnerable Domains	2,070 live websites (7.69% of Perl install base)
Vulnerable Versions	from 5.33.1 through 5.38.4 from 5.39 through 5.40.2 from 5.41 through 5.41.10
Vulnerable Versions Count	13 versions ( 18% of all versions)