Double Free in Libgit2
CVE-2018-8099
Incorrect returning of an error code in the index.c:read_entry() function leads to a double free in libgit2 before v0.26.2, which allows an attacker to cause a denial of service via a crafted repository index file.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.014 (71.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Libgit2
- Debian Linux — versions 9.0
Weakness classification (CWE)
References
- libgit2.github.com/security/ (Patch, Third Party Advisory)
- github.com/libgit2/libgit2/commit/58a6fe94cb851f71214dbefac3f9bffee437d6fe (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/03/msg00031.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-8099?
- CVE-2018-8099 is a medium-severity vulnerability in Libgit2, classified under Double Free. CVSS score: 6.5/10. Published 2018-03-14.
- How severe is CVE-2018-8099?
- Medium severity. CVSS v3 base score is 6.5 out of 10.