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No exploitation reportedFix available

CVE-2020-25795

No exploitation reported by the sources we read.

  • Published2020-09-19
  • Fixed in0.6.3
  • WeaknessCWE-401

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 sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation, insert_from can have a memory-safety issue upon a panic.

Timeline

dates in UTC
  1. 2020-09-1921:15CVE publishedNVD

Versions per branch

OSV · NVD
sized-chunks
BranchAffectedFixed in
0.x≥ 0.0.0-0, < 0.6.30.6.3
0.6< 0.6.30.6.3
Sized-chunks project sized-chunks
BranchAffectedFixed in
0.6≤ 0.6.2no fix published

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-sized-chunksDebian:14all versions · fixed in 0.6.5-1
  • rust-sized-chunksDebian:13all versions · fixed in 0.6.5-1
  • rust-sized-chunksDebian:12all versions · fixed in 0.6.5-1

Full record on NVD

Fix

  1. Update sized-chunks to 0.6.3

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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-09-19
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-64gv-qg2v-vxv6 GHSA-9p9m-9xww-qjcx GHSA-fqpx-cq8x-9wp4 GHSA-mp6f-p9gp-vpj9 GHSA-rfgg-vccr-m46m GHSA-x54v-qxxr-93qc

Frequently asked questions

What is CVE-2020-25795?

An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the Chunk implementation, insert_from can have a memory-safety issue upon a panic.

Is CVE-2020-25795 actively exploited?

Active exploitation of CVE-2020-25795 has not been confirmed. Its EPSS score was 1.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25795?

CVE-2020-25795 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record