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.
CVSS score
8.2/10
010
High · v3.1 (NVD)EPSS score
2.02%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3Timeline
- 14-04-2021PublishedVulnerability first disclosed.
- 04-08-2024Last 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 versionsHigh 8.2Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HSourcesAll 4 agree
- OSV · AlpineEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- OSV · DebianEcosystem advisory · calculated8.2HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
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 score2.02%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Alpine1 product
- rust< 1.51.0-r2
Debian1 product
- rustc< 1.53.0+dfsg1-1
Fedoraproject1 product
- fedoraEOL32 | 33 | 34
Rust-lang1 product
- rust< 1.52.0
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