CVE-2020-25709

Name	CVE-2020-25709
Description	A flaw was found in OpenLDAP. This flaw allows an attacker who can send a malicious packet to be processed by OpenLDAP’s slapd server, to trigger an assertion failure. The highest threat from this vulnerability is to system availability.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
References	DLA-2481-1, DSA-4792-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openldap (PTS)	buster, buster (security)	2.4.47+dfsg-3+deb10u7	fixed
	bullseye (security), bullseye	2.4.57+dfsg-3+deb11u1	fixed
	bookworm, sid	2.5.13+dfsg-2	fixed

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

Package	Type	Release	Fixed Version	Origin
openldap	source	stretch	2.4.44+dfsg-5+deb9u6	DLA-2481-1
openldap	source	buster	2.4.47+dfsg-3+deb10u4	DSA-4792-1
openldap	source	(unstable)	2.4.56+dfsg-1

Notes

https://bugs.openldap.org/show_bug.cgi?id=9383
https://git.openldap.org/openldap/openldap/-/commit/67670f4544e28fb09eb7319c39f404e1d3229e65 (OPENLDAP_REL_ENG_2_4_56)