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CVE-2025-4574

Crossbeam-channel: crossbeam-channel vulnerable to double free on drop

CVSS 3.1 6.5 MEDIUMEUVD CVSS 3.1 6.5 CVSS 3.1 · [email protected] · Secondary 6.5 MEDIUMCVSS_V4 Publisher rating MODERATEFixed by crossbeam-channel 0.5.15osv · severity unknownFixed by crossbeam-channel 0.5.15KEV status unknown
Original advisory

cve-program · CVE-2025-4574

Published

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.

Read the publisher's advisory

euvd · EUVD-2025-14635

Published

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.

Read the publisher's advisory

nvd · CVE-2025-4574

Published

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.

Read the publisher's advisory

osv · GHSA-pg9f-39pc-qf8g

Published

The internal `Channel` type's `Drop` method has a race which could, in some circumstances, lead to a double-free. This could result in memory corruption. Quoting from the [upstream description in merge request \#1187](https://github.com/crossbeam-rs/crossbeam/pull/1187#issue-2980761131): > The problem lies in the fact that `dicard_all_messages` contained two paths that could lead to `head.block` being read but only one of them would swap the value. This meant that `dicard_all_messages` could end up observing a non-null block pointer (and therefore attempting to free it) without setting `head.block` to null. This would then lead to `Channel::drop` making a second attempt at dropping the same pointer. The bug was introduced while fixing a memory leak, in upstream [MR \#1084](https://github.com/crossbeam-rs/crossbeam/pull/1084), first published in 0.5.12. The fix is in upstream [MR \#1187](https://github.com/crossbeam-rs/crossbeam/pull/1187) and has been published in 0.5.15

Read the publisher's advisory

osv · RUSTSEC-2025-0024

Published

The internal `Channel` type's `Drop` method has a race which could, in some circumstances, lead to a double-free. This could result in memory corruption. Quoting from the [upstream description in merge request \#1187](https://github.com/crossbeam-rs/crossbeam/pull/1187#issue-2980761131): > The problem lies in the fact that `dicard_all_messages` contained two paths that could lead to `head.block` being read but only one of them would swap the value. This meant that `dicard_all_messages` could end up observing a non-null block pointer (and therefore attempting to free it) without setting `head.block` to null. This would then lead to `Channel::drop` making a second attempt at dropping the same pointer. The bug was introduced while fixing a memory leak, in upstream [MR \#1084](https://github.com/crossbeam-rs/crossbeam/pull/1084), first published in 0.5.12. The fix is in upstream [MR \#1187](https://github.com/crossbeam-rs/crossbeam/pull/1187) and has been published in 0.5.15

Read the publisher's advisory

Affected versions, risk and source history

Exploitation and risk

Source status

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Risk history

Compare earlier KEV listings and daily EPSS scores. Advisory wording and affected versions have a separate history.

When does an EPSS score appear as a change?

A prediction change is reported when EPSS rises from below 10% to 10% or higher. Other daily score changes remain in this history.

Advisory history

16 saved versions

See how the publisher's advisory changed over time. Each link opens the version saved at that time. The publisher's update date can differ from the date shown here.

How advisory history works

Each link identifies one complete publisher record. History can include advisories that previously shared an identifier; an identifier removed by a publisher no longer establishes a current relationship. A historical link shows only that record and earlier saved versions. Failed checks and unchanged reads do not create new versions.

15 Nov 2026 04:31:51 UTC

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.

euvd · EUVD-2025-14635 · Published

13 Nov 2026 04:19:30 UTC

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.

euvd · EUVD-2025-14635 · Published

11 Nov 2026 03:28:08 UTC

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.

euvd · EUVD-2025-14635 · Published

9 Nov 2026 03:04:29 UTC

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.

euvd · EUVD-2025-14635 · Published

7 Nov 2026 01:37:05 UTC

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.

euvd · EUVD-2025-14635 · Published

6 Nov 2026 06:36:43 UTC

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.

nvd · CVE-2025-4574 · Published

5 Nov 2026 16:36:21 UTC

Crossbeam-channel: crossbeam-channel vulnerable to double free on drop

cve-program · CVE-2025-4574 · Published

5 Nov 2026 01:10:44 UTC

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.

euvd · EUVD-2025-14635 · Published

3 Nov 2026 00:10:05 UTC

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.

euvd · EUVD-2025-14635 · Published

31 Oct 2026 23:16:16 UTC

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.

euvd · EUVD-2025-14635 · Published

29 Oct 2026 22:59:41 UTC

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.

euvd · EUVD-2025-14635 · Published

27 Oct 2026 22:00:39 UTC

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.

euvd · EUVD-2025-14635 · Published

25 Oct 2026 02:24:54 UTC

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.

nvd · CVE-2025-4574 · Published

23 Oct 2026 15:48:27 UTC

Crossbeam-channel: crossbeam-channel vulnerable to double free on drop

cve-program · CVE-2025-4574 · Published

ChangeIntel

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