# CVE-2026-44432: python3.12-urllib3: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, excepti...

CVE-2026-44432 is fixed in 4 products on 1 platform, first by python3-urllib3 2.6.3-1ubuntu1.1, released May 13, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-44432
- Priority: High
- CVSS: 7.5 (Important)
- EPSS: 0.0068
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 13, 2026

## Description

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.  Security Fix(es):  * urllib3: urllib3: Denial of Service due to excessive HTTP response decompression (CVE-2026-44432)  * urllib3: urllib3: Information disclosure via cross-origin redirects forwarding sensitive headers (CVE-2026-44431)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python-urllib3 Debian 14 | 2.7.0-1 | [DEBIAN-CVE-2026-44432](https://patchblox.com/security/data/fix/linux/debian-cve-2026-44432.md) | May 13, 2026 |
| Linux | python-urllib3 RHEL 10 | 1.26.19-4.el10_2 | [RHSA-2026:28000](https://patchblox.com/security/data/fix/linux/rhsa-2026-28000.md) | May 13, 2026 |
| Linux | python-urllib3 rocky 10 | 0:1.26.19-4.el10_2 | [RLSA-2026:28000](https://patchblox.com/security/data/fix/linux/rlsa-2026-28000.md) | Jun 24, 2026 |
| Linux | python-urllib3 rocky 9 | 0:1.26.5-8.el9_8 | [RLSA-2026:28158](https://patchblox.com/security/data/fix/linux/rlsa-2026-28158.md) | Jun 24, 2026 |
| Linux | python3-urllib3 RHEL 9 | 0:1.26.5-8.el9_8 | [RHSA-2026:28158](https://patchblox.com/security/data/fix/linux/rhsa-2026-28158.md) | Jun 24, 2026 |
| Linux | python3-urllib3 Ubuntu 26.04.1 LTS (resolute) | 2.6.3-1ubuntu1.1 | [python3-urllib3 2.6.3-1ubuntu1.1](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-python3-urllib3-2.6.3-1ubuntu1.1.md) | May 13, 2026 |
| Linux | python3-urllib3 almalinux 10 | 1.26.19-4.el10_2 | [ALSA-2026:28000](https://patchblox.com/security/data/fix/linux/alsa-2026-28000.md) | Jun 22, 2026 |
| Linux | python3-urllib3 almalinux 9 | 1.26.5-8.el9_8 | [ALSA-2026:28158](https://patchblox.com/security/data/fix/linux/alsa-2026-28158.md) | Jun 23, 2026 |
| Linux | python3-urllib3 ol 10 | 0:1.26.19-4.el10_2 | [ELSA-2026-28000](https://patchblox.com/security/data/fix/linux/elsa-2026-28000.md) | Jul 16, 2026 |
| Linux | python3-urllib3 ol 9 | 0:1.26.5-8.el9_8 | [ELSA-2026-28158](https://patchblox.com/security/data/fix/linux/elsa-2026-28158.md) | Jun 24, 2026 |
| Linux | python3.12-urllib3 RHEL 8 | 0:1.26.19-3.el8_10 | [RHSA-2026:32992](https://patchblox.com/security/data/fix/linux/rhsa-2026-32992.md) | Jun 30, 2026 |
| Linux | python3.12-urllib3 RHEL 9 | 0:1.26.19-3.el9_8 | [RHSA-2026:28159](https://patchblox.com/security/data/fix/linux/rhsa-2026-28159.md) | Jun 24, 2026 |
| Linux | python3.12-urllib3 almalinux 8 | 1.26.19-3.el8_10 | [ALSA-2026:32992](https://patchblox.com/security/data/fix/linux/alsa-2026-32992.md) | Jun 29, 2026 |
| Linux | python3.12-urllib3 almalinux 9 | 1.26.19-3.el9_8 | [ALSA-2026:28159](https://patchblox.com/security/data/fix/linux/alsa-2026-28159.md) | Jun 23, 2026 |
| Linux | python3.12-urllib3 ol 8 | 0:1.26.19-3.el8_10 | [ELSA-2026-32992](https://patchblox.com/security/data/fix/linux/elsa-2026-32992.md) | Jun 29, 2026 |
| Linux | python3.12-urllib3 ol 9 | 0:1.26.19-3.el9_8 | [ELSA-2026-28159](https://patchblox.com/security/data/fix/linux/elsa-2026-28159.md) | Jun 23, 2026 |
| Linux | python3.12-urllib3 rocky 8 | 0:1.26.19-3.el8_10 | [RLSA-2026:32992](https://patchblox.com/security/data/fix/linux/rlsa-2026-32992.md) | Jul 1, 2026 |
| Linux | python3.12-urllib3 rocky 9 | 0:1.26.19-3.el9_8 | [RLSA-2026:28159](https://patchblox.com/security/data/fix/linux/rlsa-2026-28159.md) | Jun 24, 2026 |
| Linux | python3.14-urllib3 RHEL 10 | 2.6.3-2.el10_2 | [RHSA-2026:27929](https://patchblox.com/security/data/fix/linux/rhsa-2026-27929.md) | May 13, 2026 |
| Linux | python3.14-urllib3 RHEL 9 | 0:2.6.3-2.el9_8 | [RHSA-2026:28157](https://patchblox.com/security/data/fix/linux/rhsa-2026-28157.md) | Jun 24, 2026 |
| Linux | python3.14-urllib3 almalinux 10 | 2.6.3-2.el10_2 | [ALSA-2026:27929](https://patchblox.com/security/data/fix/linux/alsa-2026-27929.md) | Jun 22, 2026 |
| Linux | python3.14-urllib3 almalinux 9 | 2.6.3-2.el9_8 | [ALSA-2026:28157](https://patchblox.com/security/data/fix/linux/alsa-2026-28157.md) | Jun 23, 2026 |
| Linux | python3.14-urllib3 ol 10 | 0:2.6.3-2.el10_2 | [ELSA-2026-27929](https://patchblox.com/security/data/fix/linux/elsa-2026-27929.md) | Jul 16, 2026 |
| Linux | python3.14-urllib3 ol 9 | 0:2.6.3-2.el9_8 | [ELSA-2026-28157](https://patchblox.com/security/data/fix/linux/elsa-2026-28157.md) | Jun 23, 2026 |
| Linux | python3.14-urllib3 rocky 10 | 0:2.6.3-2.el10_2 | [RLSA-2026:27929](https://patchblox.com/security/data/fix/linux/rlsa-2026-27929.md) | Jun 24, 2026 |
| Linux | python3.14-urllib3 rocky 9 | 0:2.6.3-2.el9_8 | [RLSA-2026:28157](https://patchblox.com/security/data/fix/linux/rlsa-2026-28157.md) | Jun 24, 2026 |

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Data as of 2026-11-08T13:06:02Z 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

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