CVE-2024-0397
CVE-2024-0397 · Memory race condition in ssl.SSLContext certificate store methods
This page contains facts from public vulnerability sources. Check the original advisory before updating.
A defect was discovered in the Python “ssl” module where there is a memory race condition with the ssl.SSLContext methods “cert_store_stats()” and “get_ca_certs()”. The race condition can be triggered if the methods are called at the same time as certificates are loaded into the SSLContext, such as during the TLS handshake with a certificate directory configured. This issue is fixed in CPython 3.10.14, 3.11.9, 3.12.3, and 3.13.0a5.
CVSS 7.4 · High · EPSS 0.8% · Fix available
- Published
- Updated
Affected products and versions
python
- Versions
- ≥ 0, < 3.8.20: Affected (python)
- ≥ 3.9.0, < 3.9.20: Affected (python)
- ≥ 3.10.0, < 3.10.14: Affected (python)
- ≥ 3.11.0, < 3.11.9: Affected (python)
- ≥ 3.12.0, < 3.12.3: Affected (python)
- ≥ 3.13.0a1, < 3.13.0a5: Affected (python)
Update to 3.10.14; Update to 3.11.9; Update to 3.12.3; Update to 3.13.0a5; Update to 3.8.20; Update to 3.9.20
pypy3 Debian:12
- Versions
- 7.3.11+dfsg-2
- 7.3.11+dfsg-2+deb12u1
- 7.3.11+dfsg-2+deb12u2
- 7.3.11+dfsg-2+deb12u3
- 7.3.12+dfsg-1
- 7.3.12~rc1+dfsg-1
- 7.3.12~rc2+dfsg-1
- 7.3.13+dfsg-1
- 7.3.14+dfsg-1
- 7.3.15+dfsg-1
- 7.3.16+dfsg-1
- 7.3.16+dfsg-2
- 7.3.17+dfsg-1
- 7.3.17+dfsg-2
- 7.3.17+dfsg-3
- 7.3.18+dfsg-1
- 7.3.18+dfsg-2
- 7.3.19+dfsg-1
- 7.3.19+dfsg-2
- 7.3.20+dfsg-1
- 7.3.20+dfsg-2
- 7.3.20+dfsg-3
- 7.3.20+dfsg-4
- 7.3.21+dfsg-1
- 7.3.21+dfsg-2
- 7.3.21+dfsg-3
- 7.3.21+dfsg-4
- 7.3.22+dfsg-1
- 7.3.23+dfsg-1
- 7.3.23+dfsg-2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
pypy3 Debian:13
- Affected ranges
- ECOSYSTEM: < 7.3.16+dfsg-1
Update to 7.3.16+dfsg-1
pypy3 Debian:14
- Affected ranges
- ECOSYSTEM: < 7.3.16+dfsg-1
Update to 7.3.16+dfsg-1
python3.11 Debian:12
- Versions
- 3.11.2-6
- 3.11.2-6+deb12u1
- 3.11.2-6+deb12u2
- Affected ranges
- ECOSYSTEM: < 3.11.2-6+deb12u3
Update to 3.11.2-6+deb12u3
python2.7 Ubuntu:Pro:14.04:LTS
- Versions
- 2.7.5-8ubuntu3
- 2.7.5-8ubuntu4
- 2.7.6-2
- 2.7.6-2ubuntu1
- 2.7.6-3
- 2.7.6-3ubuntu1
- 2.7.6-4
- 2.7.6-4ubuntu1
- 2.7.6-5
- 2.7.6-7
- 2.7.6-8
- 2.7.6-8ubuntu0.2
- 2.7.6-8ubuntu0.3
- 2.7.6-8ubuntu0.4
- 2.7.6-8ubuntu0.5
- 2.7.6-8ubuntu0.6+esm2
- 2.7.6-8ubuntu0.6+esm3
- 2.7.6-8ubuntu0.6+esm5
- 2.7.6-8ubuntu0.6+esm6
- 2.7.6-8ubuntu0.6+esm7
- 2.7.6-8ubuntu0.6+esm8
- 2.7.6-8ubuntu0.6+esm9
- 2.7.6-8ubuntu0.6+esm10
- 2.7.6-8ubuntu0.6+esm11
- 2.7.6-8ubuntu0.6+esm12
- 2.7.6-8ubuntu0.6+esm13
- 2.7.6-8ubuntu0.6+esm14
- 2.7.6-8ubuntu0.6+esm15
- 2.7.6-8ubuntu0.6+esm16
- 2.7.6-8ubuntu0.6+esm17
- 2.7.6-8ubuntu0.6+esm18
- 2.7.6-8ubuntu0.6+esm20
- 2.7.6-8ubuntu0.6+esm21
- 2.7.6-8ubuntu0.6+esm22
- 2.7.6-8ubuntu0.6+esm24
- 2.7.6-8ubuntu0.6+esm25
- 2.7.6-8ubuntu0.6+esm26
- 2.7.6-8ubuntu0.6+esm28
- 2.7.6-8ubuntu0.6+esm29
- 2.7.6-8ubuntu0.6+esm30
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.4 Ubuntu:Pro:14.04:LTS
- Versions
- 3.4~b1-0ubuntu3
- 3.4~b1-4ubuntu4
- 3.4~b1-4ubuntu6
- 3.4~b1-5ubuntu2
- 3.4~b2-1
- 3.4~b3-1ubuntu1
- 3.4~rc1-1build1
- 3.4~rc2-1
- 3.4~rc3-0ubuntu1
- 3.4.0-1
- 3.4.0-2ubuntu1
- 3.4.0-2ubuntu1.1
- 3.4.3-1ubuntu1~14.04.1
- 3.4.3-1ubuntu1~14.04.3
- 3.4.3-1ubuntu1~14.04.4
- 3.4.3-1ubuntu1~14.04.5
- 3.4.3-1ubuntu1~14.04.6
- 3.4.3-1ubuntu1~14.04.7
- 3.4.3-1ubuntu1~14.04.7+esm2
- 3.4.3-1ubuntu1~14.04.7+esm4
- 3.4.3-1ubuntu1~14.04.7+esm6
- 3.4.3-1ubuntu1~14.04.7+esm7
- 3.4.3-1ubuntu1~14.04.7+esm8
- 3.4.3-1ubuntu1~14.04.7+esm10
- 3.4.3-1ubuntu1~14.04.7+esm11
- 3.4.3-1ubuntu1~14.04.7+esm12
- 3.4.3-1ubuntu1~14.04.7+esm13
- 3.4.3-1ubuntu1~14.04.7+esm14
- 3.4.3-1ubuntu1~14.04.7+esm15
- 3.4.3-1ubuntu1~14.04.7+esm16
- 3.4.3-1ubuntu1~14.04.7+esm17
- 3.4.3-1ubuntu1~14.04.7+esm19
- 3.4.3-1ubuntu1~14.04.7+esm20
- 3.4.3-1ubuntu1~14.04.7+esm21
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python2.7 Ubuntu:Pro:16.04:LTS
- Versions
- 2.7.10-4ubuntu1
- 2.7.10-4ubuntu2
- 2.7.11-2
- 2.7.11-3
- 2.7.11-4
- 2.7.11-6
- 2.7.11-7
- 2.7.11-7ubuntu1
- 2.7.12-1~16.04
- 2.7.12-1ubuntu0~16.04.1
- 2.7.12-1ubuntu0~16.04.2
- 2.7.12-1ubuntu0~16.04.3
- 2.7.12-1ubuntu0~16.04.4
- 2.7.12-1ubuntu0~16.04.8
- 2.7.12-1ubuntu0~16.04.9
- 2.7.12-1ubuntu0~16.04.11
- 2.7.12-1ubuntu0~16.04.12
- 2.7.12-1ubuntu0~16.04.13
- 2.7.12-1ubuntu0~16.04.14
- 2.7.12-1ubuntu0~16.04.16
- 2.7.12-1ubuntu0~16.04.18
- 2.7.12-1ubuntu0~16.04.18+esm1
- 2.7.12-1ubuntu0~16.04.18+esm2
- 2.7.12-1ubuntu0~16.04.18+esm3
- 2.7.12-1ubuntu0~16.04.18+esm4
- 2.7.12-1ubuntu0~16.04.18+esm5
- 2.7.12-1ubuntu0~16.04.18+esm6
- 2.7.12-1ubuntu0~16.04.18+esm7
- 2.7.12-1ubuntu0~16.04.18+esm8
- 2.7.12-1ubuntu0~16.04.18+esm9
- 2.7.12-1ubuntu0~16.04.18+esm10
- 2.7.12-1ubuntu0~16.04.18+esm11
- 2.7.12-1ubuntu0~16.04.18+esm12
- 2.7.12-1ubuntu0~16.04.18+esm13
- 2.7.12-1ubuntu0~16.04.18+esm15
- 2.7.12-1ubuntu0~16.04.18+esm16
- 2.7.12-1ubuntu0~16.04.18+esm17
- 2.7.12-1ubuntu0~16.04.18+esm18
- 2.7.12-1ubuntu0~16.04.18+esm19
- 2.7.12-1ubuntu0~16.04.18+esm20
- 2.7.12-1ubuntu0~16.04.18+esm21
- 2.7.12-1ubuntu0~16.04.18+esm22
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python2.7 Ubuntu:Pro:18.04:LTS
- Versions
- 2.7.14-2ubuntu2
- 2.7.14-4
- 2.7.14-6
- 2.7.14-7
- 2.7.14-8
- 2.7.15~rc1-1
- 2.7.15~rc1-1ubuntu0.1
- 2.7.15-4ubuntu4~18.04
- 2.7.15-4ubuntu4~18.04.1
- 2.7.15-4ubuntu4~18.04.2
- 2.7.17-1~18.04
- 2.7.17-1~18.04ubuntu1
- 2.7.17-1~18.04ubuntu1.1
- 2.7.17-1~18.04ubuntu1.2
- 2.7.17-1~18.04ubuntu1.3
- 2.7.17-1~18.04ubuntu1.5
- 2.7.17-1~18.04ubuntu1.6
- 2.7.17-1~18.04ubuntu1.7
- 2.7.17-1~18.04ubuntu1.8
- 2.7.17-1~18.04ubuntu1.10
- 2.7.17-1~18.04ubuntu1.11
- 2.7.17-1~18.04ubuntu1.13
- 2.7.17-1~18.04ubuntu1.13+esm1
- 2.7.17-1~18.04ubuntu1.13+esm2
- 2.7.17-1~18.04ubuntu1.13+esm3
- 2.7.17-1~18.04ubuntu1.13+esm4
- 2.7.17-1~18.04ubuntu1.13+esm5
- 2.7.17-1~18.04ubuntu1.13+esm6
- 2.7.17-1~18.04ubuntu1.13+esm7
- 2.7.17-1~18.04ubuntu1.13+esm8
- 2.7.17-1~18.04ubuntu1.13+esm10
- 2.7.17-1~18.04ubuntu1.13+esm11
- 2.7.17-1~18.04ubuntu1.13+esm12
- 2.7.17-1~18.04ubuntu1.13+esm13
- 2.7.17-1~18.04ubuntu1.13+esm14
- 2.7.17-1~18.04ubuntu1.13+esm15
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.6 Ubuntu:Pro:18.04:LTS
- Versions
- 3.6.3-1ubuntu1
- 3.6.4~rc1-1
- 3.6.4~rc1-2
- 3.6.4-1
- 3.6.4-2
- 3.6.4-3build1
- 3.6.4-4
- 3.6.5~rc1-1
- 3.6.5-3
- 3.6.6-1~18.04
- 3.6.7-1~18.04
- 3.6.8-1~18.04.1
- 3.6.8-1~18.04.2
- 3.6.8-1~18.04.3
- 3.6.9-1~18.04
- 3.6.9-1~18.04ubuntu1
- 3.6.9-1~18.04ubuntu1.1
- 3.6.9-1~18.04ubuntu1.3
- 3.6.9-1~18.04ubuntu1.4
- 3.6.9-1~18.04ubuntu1.6
- 3.6.9-1~18.04ubuntu1.7
- 3.6.9-1~18.04ubuntu1.8
- 3.6.9-1~18.04ubuntu1.9
- 3.6.9-1~18.04ubuntu1.10
- 3.6.9-1~18.04ubuntu1.12
- 3.6.9-1~18.04ubuntu1.13
- 3.6.9-1~18.04ubuntu1.13+esm1
- 3.6.9-1~18.04ubuntu1.13+esm2
- 3.6.9-1~18.04ubuntu1.13+esm3
- 3.6.9-1~18.04ubuntu1.13+esm4
- 3.6.9-1~18.04ubuntu1.13+esm5
- 3.6.9-1~18.04ubuntu1.13+esm6
- 3.6.9-1~18.04ubuntu1.13+esm7
- 3.6.9-1~18.04ubuntu1.13+esm8
- 3.6.9-1~18.04ubuntu1.13+esm9
- 3.6.9-1~18.04ubuntu1.13+esm10
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.7 Ubuntu:Pro:18.04:LTS
- Versions
- 3.7.0~a2-1
- 3.7.0~a3-1
- 3.7.0~a3-2
- 3.7.0~a3-3
- 3.7.0~a4-1
- 3.7.0~b1-1
- 3.7.0~b1-1build1
- 3.7.0~b2-1
- 3.7.0~b3-1
- 3.7.0-1~18.04
- 3.7.1-1~18.04
- 3.7.3-2~18.04.1
- 3.7.5-2~18.04
- 3.7.5-2~18.04.4
- 3.7.5-2ubuntu1~18.04.2
- 3.7.5-2ubuntu1~18.04.2+esm1
- 3.7.5-2ubuntu1~18.04.2+esm2
- 3.7.5-2ubuntu1~18.04.2+esm3
- 3.7.5-2ubuntu1~18.04.2+esm4
- 3.7.5-2ubuntu1~18.04.2+esm5
- 3.7.5-2ubuntu1~18.04.2+esm6
- 3.7.5-2ubuntu1~18.04.2+esm7
- 3.7.5-2ubuntu1~18.04.2+esm8
- 3.7.5-2ubuntu1~18.04.2+esm9
- 3.7.5-2ubuntu1~18.04.2+esm10
- 3.7.5-2ubuntu1~18.04.2+esm11
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.8 Ubuntu:Pro:18.04:LTS
- Versions
- 3.8.0-3~18.04
- 3.8.0-3~18.04.1
- 3.8.0-3ubuntu1~18.04.2
- 3.8.0-3ubuntu1~18.04.2+esm1
- 3.8.0-3ubuntu1~18.04.2+esm2
- 3.8.0-3ubuntu1~18.04.2+esm3
- 3.8.0-3ubuntu1~18.04.2+esm4
- 3.8.0-3ubuntu1~18.04.2+esm5
- 3.8.0-3ubuntu1~18.04.2+esm6
- 3.8.0-3ubuntu1~18.04.2+esm7
- 3.8.0-3ubuntu1~18.04.2+esm8
- 3.8.0-3ubuntu1~18.04.2+esm9
- 3.8.0-3ubuntu1~18.04.2+esm10
- 3.8.0-3ubuntu1~18.04.2+esm11
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.8 Ubuntu:20.04:LTS
- Versions
- 3.8.0-1
- 3.8.0-2
- 3.8.0-3
- 3.8.0-4
- 3.8.0-5
- 3.8.1-2ubuntu3
- 3.8.2~rc1-1ubuntu1
- 3.8.2-1
- 3.8.2-1ubuntu1
- 3.8.2-1ubuntu1.1
- 3.8.2-1ubuntu1.2
- 3.8.5-1~20.04
- 3.8.5-1~20.04.2
- 3.8.5-1~20.04.3
- 3.8.10-0ubuntu1~20.04
- 3.8.10-0ubuntu1~20.04.1
- 3.8.10-0ubuntu1~20.04.2
- 3.8.10-0ubuntu1~20.04.4
- 3.8.10-0ubuntu1~20.04.5
- 3.8.10-0ubuntu1~20.04.6
- 3.8.10-0ubuntu1~20.04.7
- 3.8.10-0ubuntu1~20.04.8
- 3.8.10-0ubuntu1~20.04.9
- 3.8.10-0ubuntu1~20.04.10
- Affected ranges
- ECOSYSTEM: < 3.8.10-0ubuntu1~20.04.11
Update to 3.8.10-0ubuntu1~20.04.11
python2.7 Ubuntu:Pro:20.04:LTS
- Versions
- 2.7.17~rc1-1
- 2.7.17-1
- 2.7.17-1ubuntu5
- 2.7.17-1ubuntu6
- 2.7.18~rc1-2
- 2.7.18-1~20.04
- 2.7.18-1~20.04.1
- 2.7.18-1~20.04.1+esm1
- 2.7.18-1~20.04.3
- 2.7.18-1~20.04.3+esm1
- 2.7.18-1~20.04.4
- 2.7.18-1~20.04.4+esm1
- 2.7.18-1~20.04.4+esm2
- 2.7.18-1~20.04.4+esm3
- 2.7.18-1~20.04.5
- 2.7.18-1~20.04.5+esm1
- 2.7.18-1~20.04.5+esm2
- 2.7.18-1~20.04.6
- 2.7.18-1~20.04.6+esm1
- 2.7.18-1~20.04.7
- 2.7.18-1~20.04.7+esm3
- 2.7.18-1~20.04.7+esm4
- 2.7.18-1~20.04.7+esm6
- 2.7.18-1~20.04.7+esm7
- 2.7.18-1~20.04.7+esm8
- 2.7.18-1~20.04.7+esm9
- 2.7.18-1~20.04.7+esm10
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.9 Ubuntu:Pro:20.04:LTS
- Versions
- 3.9.0~rc1-1~20.04
- 3.9.0-5~20.04
- 3.9.5-3~20.04.1
- 3.9.5-3ubuntu0~20.04.1
- 3.9.5-3ubuntu0~20.04.1+esm1
- 3.9.5-3ubuntu0~20.04.1+esm2
- 3.9.5-3ubuntu0~20.04.1+esm3
- 3.9.5-3ubuntu0~20.04.1+esm4
- 3.9.5-3ubuntu0~20.04.1+esm5
- 3.9.5-3ubuntu0~20.04.1+esm6
- 3.9.5-3ubuntu0~20.04.1+esm7
- 3.9.5-3ubuntu0~20.04.1+esm8
- 3.9.5-3ubuntu0~20.04.1+esm9
- 3.9.5-3ubuntu0~20.04.1+esm10
- 3.9.5-3ubuntu0~20.04.1+esm11
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.10 Ubuntu:22.04:LTS
- Versions
- 3.10.0-2
- 3.10.0-3
- 3.10.0-4
- 3.10.0-5
- 3.10.0-5build1
- 3.10.1-1
- 3.10.1-2
- 3.10.2-1
- 3.10.2-5
- 3.10.2-7
- 3.10.3-1
- 3.10.4-3
- 3.10.4-3ubuntu0.1
- 3.10.6-1~22.04
- 3.10.6-1~22.04.1
- 3.10.6-1~22.04.2
- 3.10.6-1~22.04.2ubuntu1
- 3.10.6-1~22.04.2ubuntu1.1
- 3.10.12-1~22.04.2
- 3.10.12-1~22.04.3
- 3.10.12-1~22.04.4
- Affected ranges
- ECOSYSTEM: < 3.10.12-1~22.04.5
Update to 3.10.12-1~22.04.5
python2.7 Ubuntu:Pro:22.04:LTS
- Versions
- 2.7.18-8build1
- 2.7.18-13
- 2.7.18-13ubuntu1
- 2.7.18-13ubuntu1.1
- 2.7.18-13ubuntu1.1+esm2
- 2.7.18-13ubuntu1.2
- 2.7.18-13ubuntu1.2+esm1
- 2.7.18-13ubuntu1.2+esm2
- 2.7.18-13ubuntu1.2+esm3
- 2.7.18-13ubuntu1.3
- 2.7.18-13ubuntu1.3+esm1
- 2.7.18-13ubuntu1.4
- 2.7.18-13ubuntu1.4+esm1
- 2.7.18-13ubuntu1.5
- 2.7.18-13ubuntu1.5+esm2
- 2.7.18-13ubuntu1.5+esm3
- 2.7.18-13ubuntu1.5+esm5
- 2.7.18-13ubuntu1.5+esm6
- 2.7.18-13ubuntu1.5+esm7
- 2.7.18-13ubuntu1.5+esm8
- 2.7.18-13ubuntu1.5+esm9
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
python3.11 Ubuntu:Pro:22.04:LTS
- Versions
- 3.11.0~rc1-1~22.04
- 3.11.0~rc1-1~22.04.1~esm1
- 3.11.0~rc1-1~22.04.1~esm2
- 3.11.0~rc1-1~22.04.1~esm3
- 3.11.0~rc1-1~22.04.1~esm4
- 3.11.0~rc1-1~22.04.1~esm5
- 3.11.0~rc1-1~22.04.1~esm6
- 3.11.0~rc1-1~22.04.1~esm7
- 3.11.0~rc1-1~22.04.1~esm8
- 3.11.0~rc1-1~22.04.1~esm9
- 3.11.0~rc1-1~22.04.1
- 3.11.0~rc1-1~22.04.1+esm1
- 3.11.0~rc1-1~22.04.1+esm2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
Original sources
- https://github.com/python/cpython/issues/114572
- https://github.com/python/cpython/pull/114573
- https://mail.python.org/archives/list/[email protected]/thread/BMAK5BCGKYWNJOACVUSLUF6SFGBIM4VP/
- https://github.com/python/cpython/commit/01c37f1d0714f5822d34063ca7180b595abf589d
- https://github.com/python/cpython/commit/29c97287d205bf2f410f4895ebce3f43b5160524
- https://github.com/python/cpython/commit/37324b421b72b7bc9934e27aba85d48d4773002e
- https://github.com/python/cpython/commit/542f3272f56f31ed04e74c40635a913fbc12d286
- https://github.com/python/cpython/commit/b228655c227b2ca298a8ffac44d14ce3d22f6faa
- https://github.com/python/cpython/commit/bce693111bff906ccf9281c22371331aaff766ab
- http://www.openwall.com/lists/oss-security/2024/06/17/2
- https://security.netapp.com/advisory/ntap-20250411-0006/
- https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html
- https://nvd.nist.gov/vuln/detail/CVE-2024-0397