# CVE-2026-69249: python-cryptography: Duplicate self-signed intermediates can cause exponential path-building

CVE-2026-69249 is fixed in 3 products on 1 platform, first by python3-cryptography 46.0.5-1ubuntu2.2, released August 3, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-69249
- Priority: High
- CVSS: 7.5 (Important)
- EPSS: 0.0026
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 3, 2026
- Weakness: Uncontrolled Resource Consumption
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69249

## Description

Security fixes for CVE-2026-69248 and

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-cryptography Debian 14 | 49.0.0-1 | [DEBIAN-CVE-2026-69249](https://patchblox.com/security/data/fix/linux/debian-cve-2026-69249.md) | Aug 22, 2026 |
| Linux | python-cryptography RHEL 10 | 43.0.0-4.el10_0.1 | [RHSA-2026:71659](https://patchblox.com/security/data/fix/linux/rhsa-2026-71659.md) | Aug 3, 2026 |
| Linux | python-cryptography opensuse-leap 16.0 | 44.0.3-160000.5.1 | [OPENSUSE-SU-2026:21685-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21685-1.md) | Aug 30, 2026 |
| Linux | python-cryptography rocky 10 | 0:43.0.0-4.el10_2.5 | [RLSA-2026:71658](https://patchblox.com/security/data/fix/linux/rlsa-2026-71658.md) | Sep 26, 2026 |
| Linux | python-cryptography sles 16.0 | 44.0.3-160000.5.1 | [SUSE-SU-2026:23570-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23570-1.md) | Aug 30, 2026 |
| Linux | python3-cryptography Ubuntu 26.04.1 LTS (resolute) | 46.0.5-1ubuntu2.2 | [python3-cryptography 46.0.5-1ubuntu2.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-python3-cryptography-46.0.5-1ubuntu2.2.md) | Aug 3, 2026 |
| Linux | python3-cryptography almalinux 10 | 43.0.0-4.el10_2.5 | [ALSA-2026:71658](https://patchblox.com/security/data/fix/linux/alsa-2026-71658.md) | Sep 24, 2026 |
| Linux | python3-cryptography ol 10 | 0:43.0.0-4.el10_2.5 | [ELSA-2026-71658](https://patchblox.com/security/data/fix/linux/elsa-2026-71658.md) | Sep 25, 2026 |
| Linux | python3.14-cryptography RHEL 10 | 45.0.4-4.el10_2.5 | [RHSA-2026:64795](https://patchblox.com/security/data/fix/linux/rhsa-2026-64795.md) | Aug 3, 2026 |
| Linux | python3.14-cryptography RHEL 9 | 0:45.0.4-4.el9_8.6 | [RHSA-2026:64774](https://patchblox.com/security/data/fix/linux/rhsa-2026-64774.md) | Sep 13, 2026 |
| Linux | python3.14-cryptography almalinux 10 | 45.0.4-4.el10_2.5 | [ALSA-2026:64795](https://patchblox.com/security/data/fix/linux/alsa-2026-64795.md) | Sep 8, 2026 |
| Linux | python3.14-cryptography almalinux 9 | 45.0.4-4.el9_8.6 | [ALSA-2026:64774](https://patchblox.com/security/data/fix/linux/alsa-2026-64774.md) | Sep 8, 2026 |
| Linux | python3.14-cryptography ol 10 | 0:45.0.4-4.el10_2.5 | [ELSA-2026-64795-0](https://patchblox.com/security/data/fix/linux/elsa-2026-64795-0.md) | Sep 9, 2026 |
| Linux | python3.14-cryptography ol 9 | 0:45.0.4-4.el9_8.6 | [ELSA-2026-64774-0](https://patchblox.com/security/data/fix/linux/elsa-2026-64774-0.md) | Sep 8, 2026 |
| Linux | python3.14-cryptography rocky 10 | 0:45.0.4-4.el10_2.5 | [RLSA-2026:64795](https://patchblox.com/security/data/fix/linux/rlsa-2026-64795.md) | Sep 9, 2026 |
| Linux | python3.14-cryptography rocky 9 | 0:45.0.4-4.el9_8.6 | [RLSA-2026:64774](https://patchblox.com/security/data/fix/linux/rlsa-2026-64774.md) | Sep 9, 2026 |

---

Data as of 2026-11-11T01:43:54Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.