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
NISTNIST
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
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 71%
VendorProductVersion
libgit2libgit2
𝑥
< 0.26.2
debiandebian_linux
9.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libgit2
bullseye (security)
1.1.0+dfsg.1-4+deb11u2
fixed
bullseye
1.1.0+dfsg.1-4+deb11u2
fixed
jessie
no-dsa
bookworm
1.5.1+ds-1+deb12u1
fixed
bookworm (security)
1.5.1+ds-1+deb12u1
fixed
trixie
1.8.2~rc1+ds2-1
fixed
sid
1.8.4+ds-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
libgit2
noble
not-affected
mantic
not-affected
lunar
not-affected
kinetic
not-affected
jammy
not-affected
impish
not-affected
hirsute
not-affected
groovy
not-affected
focal
not-affected
eoan
not-affected
disco
not-affected
cosmic
not-affected
bionic
needed
artful
ignored
xenial
needed
trusty
needed
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