UBUNTU-CVE-2018-8099

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Source
https://ubuntu.com/security/CVE-2018-8099
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-8099.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-8099
Upstream
Published
2018-03-14T00:29:00Z
Modified
2025-09-08T16:44:48Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:14.04:LTS / libgit2

Package

Name
libgit2
Purl
pkg:deb/ubuntu/libgit2@0.19.0-2ubuntu0.4+esm1?arch=source&distro=esm-infra-legacy/trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.19.0-2
0.19.0-2ubuntu0.4
0.19.0-2ubuntu0.4+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgit2-0",
            "binary_version": "0.19.0-2ubuntu0.4+esm1"
        },
        {
            "binary_name": "libgit2-dev",
            "binary_version": "0.19.0-2ubuntu0.4+esm1"
        }
    ]
}

Ubuntu:Pro:16.04:LTS / libgit2

Package

Name
libgit2
Purl
pkg:deb/ubuntu/libgit2@0.24.1-2ubuntu0.2+esm2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.22.2-2
0.23.1-1
0.24.1-2
0.24.1-2ubuntu0.2
0.24.1-2ubuntu0.2+esm1
0.24.1-2ubuntu0.2+esm2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgit2-24",
            "binary_version": "0.24.1-2ubuntu0.2+esm2"
        },
        {
            "binary_name": "libgit2-dev",
            "binary_version": "0.24.1-2ubuntu0.2+esm2"
        }
    ]
}

Ubuntu:Pro:18.04:LTS / libgit2

Package

Name
libgit2
Purl
pkg:deb/ubuntu/libgit2@0.26.0+dfsg.1-1.1ubuntu0.2+esm1?arch=source&distro=esm-apps/bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

0.*

0.25.1+really0.24.6-1
0.26.0+dfsg.1-1.1
0.26.0+dfsg.1-1.1build1
0.26.0+dfsg.1-1.1ubuntu0.2
0.26.0+dfsg.1-1.1ubuntu0.2+esm1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libgit2-26",
            "binary_version": "0.26.0+dfsg.1-1.1ubuntu0.2+esm1"
        },
        {
            "binary_name": "libgit2-dev",
            "binary_version": "0.26.0+dfsg.1-1.1ubuntu0.2+esm1"
        }
    ]
}