8.2

CVE-2020-36323: fedoraproject fedora

CVSS: 8.2v3.1HighModified
AliasesALPINE-CVE-2020-36323UBUNTU-CVE-2020-36323DEBIAN-CVE-2020-36323
Published 14-04-2021Last modified 04-08-2024

Vulnerability summary

CVE-2020-36323 is a high (CVSS 8.2) vulnerability in fedoraproject fedora. EPSS estimates a 2.02% chance of exploitation in the next 30 days, higher than 80.7% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.2/10
010
High · v3.1 (NVD)
EPSS score
2.02%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3

Timeline

  1. 14-04-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In the standard library in Rust before 1.52.0, there is an optimization for joining strings that can cause uninitialized bytes to be exposed (or the program to crash) if the borrowed string changes after its length is checked.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.02%

Chance of exploitation in the next 30 days

Percentile

81%

Versus all other CVEs

30-day change

0.00 pp

From 2.02% on 20-09-2026

20-09-202620-10-2026
EPSS score
2.02%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Alpine1 product
  • rust< 1.51.0-r2
Debian1 product
  • rustc< 1.53.0+dfsg1-1
Fedoraproject1 product
Rust-lang1 product
Ubuntu1 product
  • rustcAll versions (No fix recorded) | < 1.53.0+dfsg1+llvm-4ubuntu1~20.04.1 | < 1.53.0+dfsg1+llvm-4ubuntu1

5 vendors · 5 products

References

12 links
Show all 12 references