CVE-2026-33811 Affecting golang-github-cpuguy83-md2man-debuginfo package, versions <0:2.0.2-24.amzn2023.0.7


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.88% (59th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2023-GOLANGGITHUBCPUGUY83MD2MANDEBUGINFO-16887020
  • published27 May 2026
  • disclosed7 May 2026

Introduced: 7 May 2026

CVE-2026-33811  (opens in a new tab)
CWE-1341  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 golang-github-cpuguy83-md2man-debuginfo to version 0:2.0.2-24.amzn2023.0.7 or higher.
This issue was patched in ALAS2023-2026-1749.

NVD Description

Note: Versions mentioned in the description apply only to the upstream golang-github-cpuguy83-md2man-debuginfo package and not the golang-github-cpuguy83-md2man-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

When using LookupCNAME with the cgo DNS resolver, a very long CNAME response can trigger a double-free of C memory and a crash.

References

CVSS Base Scores

version 3.1