CVE-2025-4574Crossbeam-channel: crossbeam-channel vulnerable to double free on drop

Description

In crossbeam-channel rust crate, the internal `Channel` type's `Drop` method has a race condition which could, in some circumstances, lead to a double-free that could result in memory corruption.

Timeline

Scores

EPSS (exploitation in 30 days)

0.56% · top 53% of all CVEs (12 Nov 2026)

CISA SSVC

Exploitation: none · Automatable: yes · Technical impact: partial

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.

Affected products

• crossbeam-channel

  • affected 0.5.12 – < 0.5.15

• Red Hat · Red Hat Directory Server 11

  All versions: unaffected

• Red Hat · Red Hat Directory Server 12

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 10

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 7

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 7

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 8

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: unaffected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat Enterprise Linux 9

  All versions: affected

• Red Hat · Red Hat OpenShift AI (RHOAI)

  All versions: affected

• Red Hat · Red Hat OpenShift AI (RHOAI)

  All versions: affected

• Red Hat · Red Hat OpenShift Container Platform 4

  All versions: affected

• Red Hat · Red Hat OpenShift Container Platform 4

  All versions: unaffected

• Red Hat · Red Hat OpenShift Container Platform 4

  All versions: affected

• Red Hat · Red Hat OpenShift Container Platform 4

  All versions: unaffected

• Red Hat · Red Hat OpenShift Container Platform 4

  All versions: unaffected

• Red Hat · Red Hat Satellite 6

  All versions: affected

• Red Hat · Red Hat Satellite 6

  All versions: affected

• Red Hat · Red Hat Trusted Artifact Signer

  All versions: affected

• Red Hat · Red Hat Trusted Artifact Signer

  All versions: affected

• Red Hat · Red Hat Trusted Profile Analyzer

  All versions: affected

• Red Hat · Red Hat Trusted Profile Analyzer

  All versions: unaffected

Affected packages

From reviewed advisories of the GitHub Advisory Database.

• crates.iocrossbeam-channelGHSA-pg9f-39pc-qf8g (opens in a new tab)

What to do

Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• EUVD EUVD-2025-14635 (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisory GHSA-pg9f-39pc-qf8g (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2025-4574](https://cveledger.app/badge/CVE-2025-4574.svg)](https://cveledger.app/cve/CVE-2025-4574)

Record last updated 5 Nov 2026, 15:46 UTC.