CVE-2020-25796 json
An issue was discovered in the sized-chunks crate through 0.6.2 for Rust.
published 2020-09-19 6 y ago modified 2026-06-17 4 mo ago also EUVD-2021-1706
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
An issue was discovered in the sized-chunks crate through 0.6.2 for Rust. In the InlineArray implementation, an unaligned reference may be generated for a type that has a large alignment requirement.
Patch / fix
- rust-sized-chunks Debian 14, Debian 13, Debian 12 0.6.5-1
debian advisories DEBIAN-CVE-2020-25796
- rust-sized-chunks Ubuntu Pro 20.04 LTS 0.3.1-1ubuntu0.1~esm1
ubuntu advisories UBUNTU-CVE-2020-25796
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Exploit prediction
1.68% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/bodil/sized-chunks/issues/11 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-129 Improper Validation of Array Index
References
-
github.com
/bodil/sized-chunks/issues/11
exploit, patch, third-party-advisory
-
rustsec.org
/advisories/RUSTSEC-2020-0041.html
third-party-advisory
Sources
- CVE List CVE-2020-25796
- NVD CVE-2020-25796
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