CVE-2018-8098

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 73%
Affected Products (NVD)
VendorProductVersion
libgit2libgit2
𝑥
< 0.26.2
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libgit2
bookworm
1.5.1+ds-1+deb12u1
fixed
bookworm (security)
1.5.1+ds-1+deb12u1
fixed
bullseye
1.1.0+dfsg.1-4+deb11u2
fixed
bullseye (security)
1.1.0+dfsg.1-4+deb11u2
fixed
jessie
no-dsa
sid
1.8.4+ds-1
fixed
trixie
1.8.2~rc1+ds2-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgit2
artful
ignored
bionic
needed
cosmic
not-affected
disco
not-affected
eoan
not-affected
focal
not-affected
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
needed
xenial
needed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libgit2-1_3
suse enterprise desktop 15 SP4
1.3.0-150400.1.6
fixed
suse enterprise desktop 15 SP5
1.3.0-150400.3.6.1
fixed
suse enterprise sap 15 SP4
1.3.0-150400.1.6
fixed
suse enterprise sap 15 SP5
1.3.0-150400.3.6.1
fixed
suse enterprise server 15 SP4
1.3.0-150400.1.6
fixed
suse enterprise server 15 SP5
1.3.0-150400.3.6.1
fixed
libgit2-1_7
suse enterprise desktop 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise desktop 15 SP7
1.7.2-150600.3.3.1
fixed
suse enterprise sap 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise sap 15 SP7
1.7.2-150600.3.3.1
fixed
suse enterprise server 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise server 15 SP7
1.7.2-150600.3.3.1
fixed
libgit2-26
suse enterprise desktop 15
0.26.3-1.26
fixed
suse enterprise desktop 15 SP1
0.26.8-3.8.1
fixed
suse enterprise desktop 15 SP2
0.26.8-3.8.1
fixed
suse enterprise sap 15
0.26.3-1.26
fixed
suse enterprise sap 15 SP1
0.26.8-3.8.1
fixed
suse enterprise sap 15 SP2
0.26.8-3.8.1
fixed
suse enterprise server 15
0.26.3-1.26
fixed
suse enterprise server 15 SP1
0.26.8-3.8.1
fixed
suse enterprise server 15 SP2
0.26.8-3.8.1
fixed
libgit2-28
suse enterprise desktop 15 SP2
0.28.4-1.28
fixed
suse enterprise desktop 15 SP3
0.28.4-1.28
fixed
suse enterprise sap 15 SP2
0.28.4-1.28
fixed
suse enterprise sap 15 SP3
0.28.4-1.28
fixed
suse enterprise server 15 SP2
0.28.4-1.28
fixed
suse enterprise server 15 SP3
0.28.4-1.28
fixed
libgit2-devel
suse enterprise desktop 15
0.26.3-1.26
fixed
suse enterprise desktop 15 SP1
0.26.8-3.8.1
fixed
suse enterprise desktop 15 SP2
0.28.4-1.28
fixed
suse enterprise desktop 15 SP3
0.28.4-1.28
fixed
suse enterprise desktop 15 SP4
1.3.0-150400.1.6
fixed
suse enterprise desktop 15 SP5
1.3.0-150400.3.6.1
fixed
suse enterprise desktop 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise desktop 15 SP7
1.7.2-150600.3.3.1
fixed
suse enterprise sap 15
0.26.3-1.26
fixed
suse enterprise sap 15 SP1
0.26.8-3.8.1
fixed
suse enterprise sap 15 SP2
0.28.4-1.28
fixed
suse enterprise sap 15 SP3
0.28.4-1.28
fixed
suse enterprise sap 15 SP4
1.3.0-150400.1.6
fixed
suse enterprise sap 15 SP5
1.3.0-150400.3.6.1
fixed
suse enterprise sap 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise sap 15 SP7
1.7.2-150600.3.3.1
fixed
suse enterprise server 15
0.26.3-1.26
fixed
suse enterprise server 15 SP1
0.26.8-3.8.1
fixed
suse enterprise server 15 SP2
0.28.4-1.28
fixed
suse enterprise server 15 SP3
0.28.4-1.28
fixed
suse enterprise server 15 SP4
1.3.0-150400.1.6
fixed
suse enterprise server 15 SP5
1.3.0-150400.3.6.1
fixed
suse enterprise server 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise server 15 SP7
1.7.2-150600.3.3.1
fixed
libgit2-tools
suse enterprise desktop 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise desktop 15 SP7
1.7.2-150600.3.3.1
fixed
suse enterprise sap 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise sap 15 SP7
1.7.2-150600.3.3.1
fixed
suse enterprise server 15 SP6
1.7.1-150600.1.6
fixed
suse enterprise server 15 SP7
1.7.2-150600.3.3.1
fixed
Common Weakness Enumeration
References
https://github.com/libgit2/libgit2/commit/3207ddb0103543da8ad2139ec6539f590f9900c1
https://github.com/libgit2/libgit2/commit/3db1af1f370295ad5355b8f64b865a2a357bcac0
https://libgit2.github.com/security/
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
https://github.com/libgit2/libgit2/commit/3207ddb0103543da8ad2139ec6539f590f9900c1
https://github.com/libgit2/libgit2/commit/3db1af1f370295ad5355b8f64b865a2a357bcac0
https://libgit2.github.com/security/
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html