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Vulnerability details: VCID-6vp5-c27t-zkhh
Vulnerability ID VCID-6vp5-c27t-zkhh
Aliases CVE-2026-33813
Summary Parsing a WEBP image with an invalid, large size panics on 32-bit platforms.
Status Published
Exploitability 0.5
Weighted Severity 6.0
Risk 3.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
epss 0.00049 https://api.first.org/data/v1/epss?cve=CVE-2026-33813
epss 0.00049 https://api.first.org/data/v1/epss?cve=CVE-2026-33813
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2026-33813
epss 0.00064 https://api.first.org/data/v1/epss?cve=CVE-2026-33813
cvssv3.1 7.5 https://go.dev/cl/759860
ssvc Track https://go.dev/cl/759860
cvssv3.1 7.5 https://go.dev/issue/78407
ssvc Track https://go.dev/issue/78407
cvssv3.1 7.5 https://pkg.go.dev/vuln/GO-2026-4961
ssvc Track https://pkg.go.dev/vuln/GO-2026-4961
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-33813
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-33813
759860 https://go.dev/cl/759860
78407 https://go.dev/issue/78407
GO-2026-4961 https://pkg.go.dev/vuln/GO-2026-4961
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://go.dev/cl/759860
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-22T15:23:43Z/ Found at https://go.dev/cl/759860
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://go.dev/issue/78407
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-22T15:23:43Z/ Found at https://go.dev/issue/78407
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://pkg.go.dev/vuln/GO-2026-4961
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2026-04-22T15:23:43Z/ Found at https://pkg.go.dev/vuln/GO-2026-4961
Exploit Prediction Scoring System (EPSS)
Percentile 0.15018
EPSS Score 0.00049
Published At April 24, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-23T01:20:24.929031+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/33xxx/CVE-2026-33813.json 38.4.0