Skip to main content
No exploitation reportedFix available

CVE-2020-35904

No exploitation reported by the sources we read.

  • Published2020-12-31
  • Fixed in0.4.4

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

An issue was discovered in the crossbeam-channel crate before 0.4.4 for Rust. It has incorrect expectations about the relationship between the memory allocation and how many iterator elements there are.

Timeline

dates in UTC
  1. 2020-12-3109:15CVE publishedNVD

Versions per branch

NVD · OSV
Crossbeam-channel project crossbeam-channel
BranchAffectedFixed in
0.4< 0.4.40.4.4
0.4≥ 0.4.3, < 0.4.40.4.4

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • rust-crossbeam-channelUbuntu:20.04:LTSall versions · no fixed version listed
  • rust-crossbeam-channelDebian:14all versions · fixed in 0.4.4-1
  • rust-crossbeam-channelDebian:13all versions · fixed in 0.4.4-1
  • rust-crossbeam-channelDebian:12all versions · fixed in 0.4.4-1

Full record on NVD

Fix

  1. Update Crossbeam-channel project crossbeam-channel to 0.4.4

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published
2020-12-31
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-m8h8-v6jh-c762 GHSA-v5m7-53cv-f3hx

Frequently asked questions

What is CVE-2020-35904?

An issue was discovered in the crossbeam-channel crate before 0.4.4 for Rust. It has incorrect expectations about the relationship between the memory allocation and how many iterator elements there are.

Is CVE-2020-35904 actively exploited?

Active exploitation of CVE-2020-35904 has not been confirmed. Its EPSS score was 0.4% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-35904?

CVE-2020-35904 has a CVSS v3 base score of 5.5 (MEDIUM severity), with vector string CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Running crossbeam-channel? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record