What is CVE-2026-33812?

CVE-2026-33812 is a medium-severity vulnerability in Golang Image, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.1/10. Published 2026-04-21.

How severe is CVE-2026-33812?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Resource exhaustion in Golang Image

CVE-2026-33812

Parsing a malicious font file can cause excessive memory allocation.

Published 2026-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (4.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.001

Affected products

Golang Image
Golang.org/x/image Golang.org/x/image/font/sfnt — versions 0

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

go.dev/cl/761180 (Patch)
go.dev/issue/78382 (Issue Tracking)
pkg.go.dev/vuln/GO-2026-4962 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-33812?: CVE-2026-33812 is a medium-severity vulnerability in Golang Image, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.1/10. Published 2026-04-21.
How severe is CVE-2026-33812?: Medium severity. CVSS v3 base score is 6.1 out of 10.