Dashboard / CVE-2026-33811

CVE-2026-33811

HIGH
MEDIUM Priority: 0.07 BB Relevance: 75/100
Published: 2026-05-07 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: None
A: High

Description

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

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
golang go < 1.25.10
golang go 1.26.0 – 1.26.3

References & Advisories (132)

Showing 25 of 132 references

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.88%
Raw Score 0.008750
Percentile 58.9%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00875
2026-10-28
0.00875

Intelligence Sources

nvd ref →

External Links