CVE-2010-4777

Name	CVE-2010-4777
Description	The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severity	medium (attack range: remote)
Debian Bugs	628836

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
perl (PTS)	jessie	5.20.2-3+deb8u9	fixed
	jessie (security)	5.20.2-3+deb8u11	fixed
	stretch	5.24.1-3+deb9u2	fixed
	stretch (security)	5.24.1-3+deb9u4	fixed
	buster, sid	5.26.2-6	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
perl	source	(unstable)	5.20.1-1	unimportant		628836

Notes

Only affects Perl builds with enabled assertions, i.e. the debugperl binary from perl-debug
likely fixed sometime around 5.18, but 5.20 was the version checked