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....
MediumCVSS 6.5
EPSS 1.4%
- Published
- Updated
- Exploit status
- No public exploit known
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libgit2(Debian:12) | < 0.27.0+dfsg.1-0.6 | 0.27.0+dfsg.1-0.6 |
| debian/libgit2(Debian:13) | < 0.27.0+dfsg.1-0.6 | 0.27.0+dfsg.1-0.6 |
| debian/libgit2(Debian:14) | < 0.27.0+dfsg.1-0.6 | 0.27.0+dfsg.1-0.6 |
| libgit2 | < 0.26.2 | 0.26.2 |
| debian linux | = 9.0 | No fix listed |
References
- Debian Security Tracker CVE-2018-8098 vendor-advisory
- github.com patch third-party-advisory
- github.com patch third-party-advisory
- libgit2.github.com patch third-party-advisory
- [debian-lts-announce] 20220321 [SECURITY] [DLA 2936-1] libgit2 security update mailing-list third-party-advisory
- bugs.debian.org issue-tracking