CVE-2026-40890
CVE-2026-40890 · github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 7.5 · High · EPSS 0.3% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
markdown
- Versions
- < 759bbc3e32073c3bc4e25969c132fc520eda2778: Affected
No fix published
golang-github-gomarkdown-markdown Debian:12
- Versions
- 0.0~git20220731.dcdaee8-2
- 0.0~git20231115.a660076-1
- 0.0~git20260725.8435af3-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-gomarkdown-markdown Debian:13
- Versions
- 0.0~git20231115.a660076-1
- 0.0~git20260725.8435af3-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-gomarkdown-markdown Debian:14
- Versions
- 0.0~git20231115.a660076-1
- Affected ranges
- ECOSYSTEM: < 0.0~git20260725.8435af3-1
Update to 0.0~git20260725.8435af3-1
golang-github-gomarkdown-markdown Ubuntu:24.04:LTS
- Versions
- 0.0~git20220731.dcdaee8-2
- 0.0~git20231115.a660076-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-gomarkdown-markdown Ubuntu:25.10
- Versions
- 0.0~git20231115.a660076-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-gomarkdown-markdown Ubuntu:26.10
- Versions
- 0.0~git20231115.a660076-1
- 0.0~git20260725.8435af3-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
golang-github-gomarkdown-markdown Ubuntu:26.04:LTS
- Versions
- 0.0~git20231115.a660076-1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published