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Fencer Vulns
high 7.5

CVE-2020-36465 json

Use after free in generic-array

published 2020-04-09 6 y ago modified 2026-06-17 4 mo ago also GHSA-3358-4f7f-p4j4 , RUSTSEC-2020-0146 , EUVD-2021-1525

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 generic-array crate before 0.13.3 for Rust. It violates soundness by using the arr! macro to extend lifetimes.

Patch / fix

  • crates.io generic-array 0.8.4, 0.9.1, 0.10.1, 0.11.2, 0.12.4, 0.13.3
  • generic-array_project generic-array 0.8.4, 0.9.1, 0.10.1, 0.11.2, 0.12.4, 0.13.3
  • rust-generic-array Debian 14, Debian 13, Debian 12 0.14.4-1

debian advisories DEBIAN-CVE-2020-36465

Exploit prediction

1.27% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • rustsec.org https://rustsec.org/advisories/RUSTSEC-2020-0146.html 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
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected packages

ecosystem package affected fixed in
crates.io generic-array
>=0.13.0, <0.13.3
>=0.12.0, <0.12.4
>=0.11.0, <0.11.2
>=0.10.0, <0.10.1
>=0.8.0, <0.9.1
>=0.8.0, <0.8.4
>=0.9.0, <0.9.1
0.13.3
0.12.4
0.11.2
0.10.1
0.9.1
0.8.4

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.