CVE-2022-48566: debian debian_linux
Vulnerability summary
CVE-2022-48566 is a medium (CVSS 5.9) vulnerability in debian debian_linux. EPSS estimates a 1.30% chance of exploitation in the next 30 days, higher than 70.4% of scored vulnerabilities. 1 public exploit is recorded.
Not severe (CVSS 5.9, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 11Timeline
- 22-08-2023PublishedVulnerability first disclosed.
- 03-10-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1. Constant-time-defeating optimisations were possible in the accumulator variable in hmac.compare_digest.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.9MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
1.30%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
No change 0.00 pp
From 1.30% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (bugs.python.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu6 products
- python2.7All versions (No fix recorded) | < 2.7.18-1~20.04.7 | < 2.7.18-13ubuntu1.5 | < 2.7.12-1ubuntu0~16.04.18+esm7 | < 2.7.17-1~18.04ubuntu1.13+esm2
- python3.4All versions (No fix recorded)
- python3.5< 3.5.2-2ubuntu0~16.04.4~14.04.1+esm1 | < 3.5.2-2ubuntu0~16.04.13+esm11
- python3.6< 3.6.9-1~18.04ubuntu1.13+esm2
- python3.7< 3.7.5-2ubuntu1~18.04.2+esm3
Debian2 products
- pypy3< 7.3.5+dfsg-2
- debian_linuxEOL10.0
Netapp2 products
Python1 product
- python< 3.6.13 | ≥ 3.7.0, < 3.7.10 | ≥ 3.8.0, < 3.8.7 | ≥ 3.9.0, < 3.9.1
4 vendors · 11 products
References
12 links- security.netapp.com/advisory/ntap-20231006-0013/Third Party Advisory