CVE-2026-33813
CVE-2026-33813 is a high-severity vulnerability in Golang Image with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 0% (26th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-24247
- Affected product: Golang Image
- Published:
- Last modified:
Description
Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
Frequently asked questions
- What is CVE-2026-33813?
- Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
- How severe is CVE-2026-33813?
- CVE-2026-33813 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-33813 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-33813?
- CVE-2026-33813 affects Golang Image. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-33813?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-33813 have an EU (EUVD) identifier?
- Yes. CVE-2026-33813 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24247.
- When was CVE-2026-33813 published?
- CVE-2026-33813 was published on 2026-04-21 and last updated on 2026-06-25.
References
- https://go.dev/cl/759860
- https://go.dev/cl/780860
- https://go.dev/issue/78407
- https://pkg.go.dev/vuln/GO-2026-4961
Affected products (1)
- cpe:2.3:a:golang:image:*:*:*:*:*:go:*:*
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