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High, CVSS 8.1

Data races in convec

CVE-2020-36445GHSA-rpxm-vmr7-5f5f

What to do

Vendor response not established. Follow the primary source's mitigation guidance and check back for a fix.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

  • crates.io convec

    Affected
    <= 2.0.1
    Fixed in
    no fixed version recorded

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
8.1 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
  • CVE-2020-36445: 0.77% estimated exploitation activity in the next 30 days; percentile 55.52 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

Affected versions of this crate unconditionally implement Send/Sync for ConVec<T. This allows users to insert T that is not Send or not Sync. This allows users to create data races by using non-Send types like Arc<Cell< or Rc< as T in ConVec<T. It is also possible to create data races by using types like Cell< or RefCell< as T (types that are Send but not Sync). Such data races can lead to memory corruption.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-rpxm-vmr7-5f5f

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2020-36445

Advisory: Data races in convec
IDs: CVE-2020-36445, GHSA-rpxm-vmr7-5f5f
Record: https://patchnext.com/advisories/cve-2020-36445 (revision 1, source checked 26 Oct 2026, 15:33 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.1)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor response not established. A vendor fix does not mean a deployment is fixed.

## Affected components
- crates.io convec: affected <= 2.0.1

## Suggested inspection (read-only)
- crates.io convec: check the installed version with your package manager.

## Supported action
No complete vendor fix is recorded. Follow the primary source's mitigation guidance and check this record again before closing anything.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on convec.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-rpxm-vmr7-5f5f (GitHub-reviewed advisory GHSA-rpxm-vmr7-5f5f lists affected ranges: crates.io convec >=0 <=2.0.1)

Commands are suggestions: review each one before running it.

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