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GHSA-4jvr-vj2c-8q37

MEDIUM

GHSA-4jvr-vj2c-8q37 is a medium-severity (CVSS 6.7) CWE-328 vulnerability in github.com/lf-edge/eve. O3 Security confirms whether GHSA-4jvr-vj2c-8q37 is actually reachable in your code before you act, and blocks exploitation at runtime until you patch.

EVE Seals Vault Key With SHA1 PCRs

Also known asCVE-2023-43635GO-2026-4434
Published
Feb 4, 2026
Updated
Feb 19, 2026
Affected
1 pkg
Patched
1 / 1
Exploits
None indexed

Blast Radius

1 pkg affected
🐹github.com/lf-edge/eve

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Go packages — download data is not available via public APIs for these ecosystems.

Description

Impact

The vault key is sealed using SHA1 PCRs instead of SHA256 PCRs

Thus an attacker with physical access to an EVE-OS device can try to brute force creating a kernel or rootfs image which produces the same SHA1 PCR but with malicious content.

Patches

Fixed in 9.4.3-lts and 10.1.0

Workarounds

None

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
🐹Gogithub.com/lf-edge/eveall versions0.0.0-20230519072751-977f42b07fa9

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for github.com/lf-edge/eve. O3's reachability analysis confirms whether the vulnerable code path is actually invoked in your application, so you act on real exposure instead of every transitive match.

  2. Fix

    Update github.com/lf-edge/eve to 0.0.0-20230519072751-977f42b07fa9 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-4jvr-vj2c-8q37 is resolved across your whole dependency graph.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.

  4. How O3 protects you

    O3 pinpoints whether GHSA-4jvr-vj2c-8q37 is reachable in your code and exactly where to fix it, then blocks exploitation in production at runtime until the patched version is deployed.

Tailored to GHSA-4jvr-vj2c-8q37. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

### Impact The vault key is sealed using SHA1 PCRs instead of SHA256 PCRs Thus an attacker with physical access to an EVE-OS device can try to brute force creating a kernel or rootfs image which produces the same SHA1 PCR but with malicious content. ### Patches Fixed in 9.4.3-lts and 10.1.0 ### Workarounds None
O3 Security · Impact-Aware SCA

Is GHSA-4jvr-vj2c-8q37 in your dependencies?

O3 detects GHSA-4jvr-vj2c-8q37 across Go dependencies and uses function-level reachability to confirm whether the vulnerable code path is actually reachable — not just present. No false positives.