CVE-2021-35525

Name	CVE-2021-35525
Description	PostSRSd before 1.11 allows a denial of service (subprocess hang) if Postfix sends certain long data fields such as multiple concatenated email addresses. NOTE: the PostSRSd maintainer acknowledges "theoretically, this error should never occur ... I'm not sure if there's a reliable way to trigger this condition by an external attacker, but it is a security bug in PostSRSd nevertheless."
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	990439

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
postsrsd (PTS)	buster	1.5-2+deb10u2	fixed
	trixie, bookworm, bullseye	1.10-2	fixed
	sid	1.10-2.1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
postsrsd	source	buster	1.5-2+deb10u2
postsrsd	source	(unstable)	1.10-2			990439

Notes

[stretch] - postsrsd <no-dsa> (Minor issue)
https://bugs.gentoo.org/793674
https://github.com/roehling/postsrsd/commit/077be98d8c8a9847e4ae0c7dc09e7474cbe27db2