CVE Database›Document archive›CVE-2026-33812

CVE-2026-33812

golang.org/x/image: golang.org/x/image: Denial of Service due to excessive memory allocation when parsing malicious font files

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Severity

Moderate

Red Hat Product Security

6.1

CVSS 3.1

Review impact separately from score.

Published · April 22, 2026

Updated · September 21, 2026

Description

A flaw was found in golang.org/x/image. A remote attacker could exploit this vulnerability by providing a specially crafted font file. Parsing this malicious file can lead to excessive memory allocation, which may result in a Denial of Service (DoS) for the affected system.

Statement

This has been rated as Moderate impact. The golang.org/x/image package is vulnerable to a denial of service when processing a specially crafted font file. An attacker could exploit this by convincing a user to open a malicious font file, leading to excessive memory allocation and potential system unavailability. This vulnerability requires user interaction, limiting its immediate impact on typical Red Hat deployments.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 6.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

CWE-770 · Allocation of Resources Without Limits or Throttling