Home/CVE/Incorrect returning of an error code in the index.c:read_entry() function leads to a double free in libgit2 before v0.26
CVE

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

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.

MEDIUM · CVSS 6.5 EPSS 0.01182
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-415Double Free
▤

Affected Products & Versions

2
libgit2< 0.26.2
debian linuxall versions
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Mar 2018 · 12:29 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

1
suse-csafSUSE-SU-2018:3440-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/libgit2/libgit2/commit/58a6fe94cb851f71214dbefac3f9bffee437d6fePatchThird Party Advisory
https://libgit2.github.com/security/PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.htmlMailing ListThird Party Advisory
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