UBUNTU-CVE-2018-15501

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2018-15501
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-15501.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2018-15501
Upstream
Published
2018-08-18T02:29:00Z
Modified
2025-09-08T16:44:59Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

In ngpkt in transports/smartpkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.

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

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

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