Description
The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion `v0.0.0-20240729232818-a2a9c4f`, which corresponds with commit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252`, there was a logical problem in the paragraph function of the parser/block.go file, which allowed a remote attacker to cause a denial of service (DoS) condition by providing a tailor-made input that caused an infinite loop, causing the program to hang and consume resources indefinitely. Submit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252` contains fixes to this problem.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | golang-github-gomarkdown-markdown | 0.0~git20260725.8435af3-1 | — |
| Debian 13 | golang-github-gomarkdown-markdown | No fix yet | — |
| Debian 12 | golang-github-gomarkdown-markdown | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | golang-github-gomarkdown-markdown | No fix yet | — |
| Ubuntu 26.04 LTS | golang-github-gomarkdown-markdown | No fix yet | — |
| Ubuntu 25.10 | golang-github-gomarkdown-markdown | No fix yet | — |
| Ubuntu 24.04 LTS | golang-github-gomarkdown-markdown | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | fq | 0.14.0-1.1 | openSUSE-SU-2025:14753-1 |
| openSUSE Tumbleweed | govulncheck-vulndb | 0.0.20241213T205935-1.1 | openSUSE-SU-2024:14599-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | cri-o | 1.22.3-12 | — |
Wolfi
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Wolfi rolling | fq | 0.13.0-r0 | — |
| Wolfi rolling | kube-metrics-adapter | 0.2.3-r2 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
Brinmon/CVE-2024-44337 ★ 2 · Oct 15, 2024
CVE-2024-44337 POC The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. which allowed a remote attacker to cause a denial of service (DoS) con…
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Go | github.com/gomarkdown/markdown | < 0.0.0-20240729212818-a2a9c4f76ef5 | 0.0.0-20240729212818-a2a9c4f76ef5 | GHSA-xhr3-wf7j-h255 |
Advisories 2
- openSUSE-SU-2025:14753-1 fq-0.14.0-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:14599-1 govulncheck-vulndb-0.0.20241213T205935-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026