CVE-2018-8098

Name	CVE-2018-8098
Description	Integer overflow in the index.c:read_entry() function while decompressing a compressed prefix length in libgit2 before v0.26.2 allows an attacker to cause a denial of service (out-of-bounds read) via a crafted repository index file.
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-2936-1
Debian Bugs	892961

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libgit2 (PTS)	buster	0.27.7+dfsg.1-0.2	fixed
	bullseye	1.1.0+dfsg.1-4	fixed
	bookworm, sid	1.5.1+ds-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libgit2	source	experimental	0.27.0+dfsg.1-0.1
libgit2	source	stretch	0.25.1+really0.24.6-1+deb9u1		DLA-2936-1
libgit2	source	(unstable)	0.27.0+dfsg.1-0.6	low		892961

Notes

[jessie] - libgit2 <no-dsa> (Minor issue)
https://github.com/libgit2/libgit2/commit/3207ddb0103543da8ad2139ec6539f590f9900c1
https://github.com/libgit2/libgit2/commit/3db1af1f370295ad5355b8f64b865a2a357bcac0