CVE-2026-33813: CWE-190: Integer Overflow or Wraparound in golang.org/x/image golang.org/x/image/webp
Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
AI Analysis
Technical Summary
This vulnerability involves an integer overflow or wraparound (CWE-190) in the golang.org/x/image/webp package. When a WEBP image with an invalidly large size is parsed on 32-bit platforms, it triggers a panic. The issue affects version 0 of the package. No patch or official remediation has been documented yet.
Potential Impact
The vulnerability causes a denial of service condition by crashing the application (panic) when processing crafted WEBP images on 32-bit systems. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted WEBP images on 32-bit platforms to mitigate potential denial of service.
CVE-2026-33813: CWE-190: Integer Overflow or Wraparound in golang.org/x/image golang.org/x/image/webp
Description
Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
CVSS v3.1
Score 7.5high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an integer overflow or wraparound (CWE-190) in the golang.org/x/image/webp package. When a WEBP image with an invalidly large size is parsed on 32-bit platforms, it triggers a panic. The issue affects version 0 of the package. No patch or official remediation has been documented yet.
Potential Impact
The vulnerability causes a denial of service condition by crashing the application (panic) when processing crafted WEBP images on 32-bit systems. There is no indication of confidentiality or integrity impact. No known exploits are reported in the wild.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, avoid processing untrusted WEBP images on 32-bit platforms to mitigate potential denial of service.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Go
- Date Reserved
- 2026-03-23T20:35:32.814Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69e7d08919fe3cd2cdf3fb0b
Added to database: 04/21/2026, 19:31:21 UTC
Last enriched: 06/25/2026, 20:12:41 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 118
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