DEBIAN-CVE-2026-40890

Source
https://security-tracker.debian.org/tracker/CVE-2026-40890
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40890.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-40890
Upstream
Published
2026-04-21T20:17:02Z
Modified
2026-09-14T17:03:33Z
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
Summary
[none]
Details

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a < character that is not followed by a > character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with commit 759bbc3e32073c3bc4e25969c132fc520eda2778.

References

Affected packages

Debian:12 / golang-github-gomarkdown-markdown

Package

Name
golang-github-gomarkdown-markdown
Purl
pkg:deb/debian/golang-github-gomarkdown-markdown?arch=source&distro=bookworm

Affected ranges

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

Affected versions

0.*
0.0~git20220731.dcdaee8-2
0.0~git20231115.a660076-1
0.0~git20260725.8435af3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40890.json"

Debian:13 / golang-github-gomarkdown-markdown

Package

Name
golang-github-gomarkdown-markdown
Purl
pkg:deb/debian/golang-github-gomarkdown-markdown?arch=source&distro=trixie

Affected ranges

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

Affected versions

0.*
0.0~git20231115.a660076-1
0.0~git20260725.8435af3-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40890.json"

Debian:14 / golang-github-gomarkdown-markdown

Package

Name
golang-github-gomarkdown-markdown
Purl
pkg:deb/debian/golang-github-gomarkdown-markdown?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
0.0~git20260725.8435af3-1

Affected versions

0.*
0.0~git20231115.a660076-1

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Database specific

source
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-40890.json"