CVE-2021-28036 json
quinn invalidly assumes the memory layout of std::net::SocketAddr
published 2021-03-04 5 y ago modified 2026-06-17 4 mo ago also GHSA-fhv4-fx3v-77w6 , RUSTSEC-2021-0035 , EUVD-2021-1701
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
An issue was discovered in the quinn crate before 0.7.0 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.
Patch / fix
- crates.io quinn 0.5.4, 0.6.2, 0.7.0
- quinn_project quinn 0.5.4, 0.6.2
Exploit prediction
1.26% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
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:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | quinn | <0.5.4 >=0.6.0, <0.6.2 >=0.0.0-0, <0.5.4 >=0.6.0-0, <0.6.2 >=0.7.0-0, <0.7.0 |
0.5.4 0.6.2 0.7.0 |
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
rustsec.org
/advisories/RUSTSEC-2021-0035.html
web, patch, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-28036
advisory
-
github.com
/quinn-rs/quinn/issues/968
web, report
-
github.com
/quinn-rs/quinn
package
-
crates.io
/crates/quinn
package
Sources
- CVE List CVE-2021-28036
- GitHub Advisory GHSA-fhv4-fx3v-77w6
- NVD CVE-2021-28036
- OSV RUSTSEC-2021-0035
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