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chore(deps): update dependency uuid to v13.0.1 [security] - abandoned#624

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renovate/npm-uuid-vulnerability
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chore(deps): update dependency uuid to v13.0.1 [security] - abandoned#624
renovate[bot] wants to merge 2 commits into
mainfrom
renovate/npm-uuid-vulnerability

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@renovate renovate Bot commented May 3, 2026

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This PR contains the following updates:

Package Change Age Confidence
uuid 13.0.013.0.1 age confidence

uuid: Missing buffer bounds check in v3/v5/v6 when buf is provided

CVE-2026-41907 / GHSA-w5hq-g745-h8pq

More information

Details

Summary

v3, v5, and v6 accept external output buffers but do not reject out-of-range writes (small buf or large offset).
By contrast, v4, v1, and v7 explicitly throw RangeError on invalid bounds.

This inconsistency allows silent partial writes into caller-provided buffers.

Affected code
  • src/v35.ts (v3/v5 path) writes buf[offset + i] without bounds validation.
  • src/v6.ts writes buf[offset + i] without bounds validation.
Reproducible PoC
cd /home/StrawHat/uuid
npm ci
npm run build

node --input-type=module -e "
import {v4,v5,v6} from './dist-node/index.js';
const ns='6ba7b810-9dad-11d1-80b4-00c04fd430c8';
for (const [name,fn] of [
  ['v4',()=>v4({},new Uint8Array(8),4)],
  ['v5',()=>v5('x',ns,new Uint8Array(8),4)],
  ['v6',()=>v6({},new Uint8Array(8),4)],
]) {
  try { fn(); console.log(name,'NO_THROW'); }
  catch(e){ console.log(name,'THREW',e.name); }
}"

Observed:

  • v4 THREW RangeError
  • v5 NO_THROW
  • v6 NO_THROW

Example partial overwrite evidence captured during audit:

same true buf [
  170, 170, 170, 170,
   75, 224, 100,  63
]
v6 [
  187, 187, 187, 187,
   31,  19, 185,  64
]
Security impact
  • Primary: integrity/robustness issue (silent partial output).
  • If an application assumes full UUID writes into preallocated buffers, this can produce malformed/truncated/partially stale identifiers without error.
  • In systems where caller-controlled offsets/buffer sizes are exposed indirectly, this may become a security-relevant logic flaw.
Suggested fix

Add the same guard used by v4/v1/v7:

if (offset < 0 || offset + 16 > buf.length) {
  throw new RangeError(`UUID byte range ${offset}:${offset + 15} is out of buffer bounds`);
}

Apply to:

  • src/v35.ts (covers v3 and v5)
  • src/v6.ts

Severity

  • CVSS Score: 6.3 / 10 (Medium)
  • Vector String: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

References

This data is provided by the GitHub Advisory Database (CC-BY 4.0).


Release Notes

uuidjs/uuid (uuid)

v13.0.1

Compare Source

Bug Fixes

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Note

Low Risk
Low-risk dependency bump to pick up a security/bugfix patch in uuid; runtime impact should be limited unless callers rely on legacy out-of-bounds buffer writes.

Overview
Updates the uuid dependency to v13.0.1 (including lockfile resolution changes) to pick up the security fix for missing bounds checks when writing into caller-provided output buffers.

Reviewed by Cursor Bugbot for commit 30b6ecb. Bugbot is set up for automated code reviews on this repo. Configure here.

@renovate renovate Bot added the dependencies Pull requests that update a dependency file label May 3, 2026
@renovate renovate Bot force-pushed the renovate/npm-uuid-vulnerability branch from f2c7a50 to 92886c0 Compare May 9, 2026 14:51
@renovate renovate Bot changed the title fix(deps): update dependency uuid to v14 [security] chore(deps): update dependency uuid to v13.0.1 [security] May 9, 2026
@renovate

renovate Bot commented May 9, 2026

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Edited/Blocked Notification

Renovate will not automatically rebase this PR, because it does not recognize the last commit author and assumes somebody else may have edited the PR.

You can manually request rebase by checking the rebase/retry box above.

⚠️ Warning: custom changes will be lost.

@renovate

renovate Bot commented Jun 28, 2026

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Autoclosing Skipped

This PR has been flagged for autoclosing. However, it is being skipped due to the branch being already modified. Please close/delete it manually or report a bug if you think this is in error.

@renovate renovate Bot changed the title chore(deps): update dependency uuid to v13.0.1 [security] chore(deps): update dependency uuid to v13.0.1 [security] - abandoned Jun 28, 2026
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