DescriptionAlgorithmic complexity vulnerability in in the Email-Address module 1.908 and earlier for Perl allows remote attackers to cause a denial of service (CPU consumption) via a crafted string containing a list of e-mail addresses in conjunction with parenthesis characters that can be associated with nested comments. NOTE: the default configuration in 1.908 mitigates this vulnerability but misparses certain realistic comments.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs868170

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libemail-address-perl (PTS)bullseye1.912-1fixed
sid, trixie, bookworm1.913-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[jessie] - libemail-address-perl <no-dsa> (Minor issue)
[wheezy] - libemail-address-perl <no-dsa> (Minor issue)
[squeeze] - libemail-address-perl <no-dsa> (Minor issue)
Possibility of DoS vs. usability issue for Email::Address

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