CVE-2018-8099

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

CVE-2018-8099 is fixed in libgit2-26 on 1 platform by libgit2-26 0.26.0+dfsg.1-1.1ubuntu0.2+esm2 (version 0.26.0+dfsg.1-1.1ubuntu0.2+esm2), released August 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0139
72nd percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
libgit2-26 · Ubuntu 18.04.6 LTS (bionic) 0.26.0+dfsg.1-1.1ubuntu0.2+esm2 libgit2-26 0.26.0+dfsg.1-1.1ubuntu0.2+esm2 Aug 14, 2026