# DLA-4377-1: python-gevent security update

DLA-4377-1, released November 24, 2025, fixes 1 CVE in python-gevent (version 20.9.0-2+deb11u1). None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-4377-1
- Platform: Linux
- Released: Nov 24, 2025
- Priority: Urgent (Closes CVE-2023-41419, rated Critical)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-41419

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [python-gevent](https://patchblox.com/security/data/product/linux/python-gevent.md) | Debian 11.6 (bullseye) | 20.9.0-2+deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-41419](https://patchblox.com/security/data/cve/CVE-2023-41419.md) | Urgent | python-gevent: An issue in Gevent before version 23.9.0 allows a remote attacker to escalate privileges via a crafted script to the... | 9.8 | 0.0179 |  |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo