CVE-2022-48566
Python 3.7 and 4 others: An issue was discovered in compare_digest in Lib/hmac.py in Python through 3.9.1.
CVE-2022-48566 is fixed in 38 products on 2 platforms, first by Python 3.8 3.8.7, released December 21, 2020. 4 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Routine.
RoutineFixed on 2 platforms
CVSS
5.9
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0130
70th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| Python 3.8 | 3.8.7 | Python 3.8 3.8.7 | Dec 21, 2020 |
| Linux | |||
| idle-python2.7 · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | idle-python2.7 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| idle-python2.7 · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | idle-python2.7 2.7.18-1~20.04.7 | Aug 24, 2023 |
| idle-python2.7 · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | idle-python2.7 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| idle-python3.6 · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | idle-python3.6 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| idle-python3.7 · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | idle-python3.7 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| idle-python3.8 · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | idle-python3.8 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| idle-python3.8 · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | idle-python3.8 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| libpython2.7 · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | libpython2.7 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| libpython2.7 · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | libpython2.7 2.7.18-1~20.04.7 | Aug 24, 2023 |
| libpython2.7 · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | libpython2.7 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| libpython2.7-minimal · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | libpython2.7-minimal 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| libpython2.7-minimal · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | libpython2.7-minimal 2.7.18-1~20.04.7 | Aug 24, 2023 |
| libpython2.7-minimal · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | libpython2.7-minimal 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| libpython2.7-stdlib · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | libpython2.7-stdlib 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| libpython2.7-stdlib · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | libpython2.7-stdlib 2.7.18-1~20.04.7 | Aug 24, 2023 |
| libpython2.7-stdlib · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | libpython2.7-stdlib 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| libpython2.7-testsuite · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | libpython2.7-testsuite 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| libpython2.7-testsuite · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | libpython2.7-testsuite 2.7.18-1~20.04.7 | Aug 24, 2023 |
| libpython2.7-testsuite · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | libpython2.7-testsuite 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| libpython3.6 · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | libpython3.6 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| libpython3.6-minimal · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | libpython3.6-minimal 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| libpython3.6-stdlib · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | libpython3.6-stdlib 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| libpython3.6-testsuite · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | libpython3.6-testsuite 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| libpython3.7 · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | libpython3.7 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| libpython3.7-minimal · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | libpython3.7-minimal 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| libpython3.7-stdlib · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | libpython3.7-stdlib 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| libpython3.7-testsuite · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | libpython3.7-testsuite 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| libpython3.8 · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | libpython3.8 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| libpython3.8 · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | libpython3.8 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| libpython3.8-minimal · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | libpython3.8-minimal 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| libpython3.8-minimal · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | libpython3.8-minimal 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| libpython3.8-stdlib · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | libpython3.8-stdlib 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| libpython3.8-stdlib · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | libpython3.8-stdlib 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| libpython3.8-testsuite · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | libpython3.8-testsuite 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| libpython3.8-testsuite · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | libpython3.8-testsuite 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| pypy3 · Debian 12.15 (bookworm) | 7.3.5+dfsg-2 | DEBIAN-CVE-2022-48566 | Aug 22, 2023 |
| pypy3 · Debian 13.5 (trixie) | 7.3.5+dfsg-2 | DEBIAN-CVE-2022-48566 | Aug 22, 2023 |
| pypy3 · Debian 14 | 7.3.5+dfsg-2 | DEBIAN-CVE-2022-48566 | Aug 22, 2023 |
| python2.7 · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | python2.7 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| python2.7 · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | python2.7 2.7.18-1~20.04.7 | Aug 24, 2023 |
| python2.7 · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | python2.7 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| python2.7-examples · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | python2.7-examples 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| python2.7-examples · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | python2.7-examples 2.7.18-1~20.04.7 | Aug 24, 2023 |
| python2.7-examples · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | python2.7-examples 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| python2.7-minimal · Ubuntu 18.04.6 LTS (bionic) | 2.7.17-1~18.04ubuntu1.13+esm2 | python2.7-minimal 2.7.17-1~18.04ubuntu1.13+esm2 | Aug 22, 2023 |
| python2.7-minimal · Ubuntu 20.04 LTS (focal) | 2.7.18-1~20.04.7 | python2.7-minimal 2.7.18-1~20.04.7 | Aug 24, 2023 |
| python2.7-minimal · Ubuntu 22.04.1 LTS (jammy) | 2.7.18-13ubuntu1.5 | python2.7-minimal 2.7.18-13ubuntu1.5 | Aug 24, 2023 |
| python3.6 · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | python3.6 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| python3.6-examples · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | python3.6-examples 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| python3.6-minimal · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | python3.6-minimal 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| python3.6-venv · Ubuntu 18.04.6 LTS (bionic) | 3.6.9-1~18.04ubuntu1.13+esm2 | python3.6-venv 3.6.9-1~18.04ubuntu1.13+esm2 | Mar 19, 2024 |
| python3.7 · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | python3.7 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| python3.7-examples · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | python3.7-examples 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| python3.7-minimal · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | python3.7-minimal 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| python3.7-venv · Ubuntu 18.04.6 LTS (bionic) | 3.7.5-2ubuntu1~18.04.2+esm3 | python3.7-venv 3.7.5-2ubuntu1~18.04.2+esm3 | Mar 19, 2024 |
| python3.8 · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | python3.8 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| python3.8 · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | python3.8 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| python3.8-examples · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | python3.8-examples 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| python3.8-examples · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | python3.8-examples 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| python3.8-full · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | python3.8-full 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| python3.8-minimal · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | python3.8-minimal 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| python3.8-minimal · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | python3.8-minimal 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| python3.8-venv · Ubuntu 18.04.6 LTS (bionic) | 3.8.0-3ubuntu1~18.04.2+esm2 | python3.8-venv 3.8.0-3ubuntu1~18.04.2+esm2 | Mar 19, 2024 |
| python3.8-venv · Ubuntu 20.04 LTS (focal) | 3.8.10-0ubuntu1~20.04 | python3.8-venv 3.8.10-0ubuntu1~20.04 | Aug 22, 2023 |
| No fix yet | |||
| Python 2 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.5 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.6 (Windows apps) | No fix yet | no-fix | n/a |
| Python 3.7 (Windows apps) | No fix yet | no-fix | n/a |
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