UBUNTU-CVE-2020-26148

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2020-26148
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26148.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-26148
Upstream
Published
2020-09-30T18:15:00Z
Modified
2026-01-20T17:06:13.134061Z
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

mdpushblock_bytes in md4c.c in md4c 0.4.5 allows attackers to trigger use of uninitialized memory, and cause a denial of service (e.g., assertion failure) via a malformed Markdown document.

References

Affected packages

Ubuntu:20.04:LTS / md4c

Package

Name
md4c
Purl
pkg:deb/ubuntu/md4c@0.4.3-1?arch=source&distro=focal

Affected ranges

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

Affected versions

0.*
0.3.4-1
0.4.1-1
0.4.2-1
0.4.3-1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "libmd4c-dev",
            "binary_version": "0.4.3-1"
        },
        {
            "binary_name": "libmd4c0",
            "binary_version": "0.4.3-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-26148.json"