CVE-2026-33812

MEDIUM

Excessive memory allocation when decoding malicious SFNT in golang.org/x/image

Title source: cna
STIX 2.1

Description

Parsing a malicious font file can cause excessive memory allocation.

References (3)

Core 3

Scores

CVSS v3 6.1
EPSS 0.0001
EPSS Percentile 2.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (2)
golang/image < 0.39.0
golang.org/x/image/golang.org/x/image/font/sfnt < 0.39.0
Published Apr 21, 2026
Tracked Since Apr 22, 2026