How many CVEs have patched UUIDv4?

1 published CVEs changed UUIDv4 in gofiber/fiber, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.

What is the latest CVE that changed UUIDv4?

CVE-2025-66630 (Fiber insecurely fallsback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure), published 2026-02-09, changed lines 85 of utils/common.go.

How does UUIDv4 compare to the rest of gofiber/fiber?

gofiber/fiber has 16 CVEs with a located fix in total; 1 of them changed UUIDv4.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Patched Functions
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UUIDv4

UUIDv4 in gofiber/fiber: Patched by 1 CVEs

gofiber/fiber

Function

UUIDv4

Name: UUIDv4 in gofiber/fiber: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

utils/common.go

Last patched February 9, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

UUIDv4 in gofiber/fiber was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 2 lines in total.

gofiber/fiber has 16 CVEs with a located fix in total, so 6% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed UUIDv4, newest first, with the lines each fix touched.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

Fiber insecurely fallsback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure
CVE-2025-66630 · line 85 · +1 −1
Critical · CVSS 9.2
EPSS 0.5%2026-02-09

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1UUIDutils/common.go1 CVEs · 1 patches2026

Other hotspots in the repository

Functions in gofiber/fiber changed by the most CVE fixes.

New2 CVEs · middleware/cors/cors.go getTokenFromStorage2 CVEs · middleware/csrf/csrf.go New2 CVEs · middleware/csrf/csrf.go Decode2 CVEs · internal/schema/decoder.go refererMatchesHost2 CVEs · middleware/csrf/csrf.go configDefault2 CVEs · middleware/csrf/config.go

All patched functions in gofiber/fiber

Frequently asked questions

Common questions about CVE fixes to UUIDv4.

How many CVEs have patched UUIDv4?: 1 published CVEs changed UUIDv4 in gofiber/fiber, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.
What is the latest CVE that changed UUIDv4?: CVE-2025-66630 (Fiber insecurely fallsback in utils.UUIDv4() / utils.UUID() — predictable / zero‑UUID on crypto/rand failure), published 2026-02-09, changed lines 85 of utils/common.go.
How does UUIDv4 compare to the rest of gofiber/fiber?: gofiber/fiber has 16 CVEs with a located fix in total; 1 of them changed UUIDv4.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

utils/common.go on GitHub (opens in a new tab)
All patched functions in gofiber/fiber
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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