# DLA-4462-1: pillow security update

DLA-4462-1, released February 1, 2026, fixes 1 CVE in pillow (version 8.1.2+dfsg-0.3+deb11u3). None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/linux/dla-4462-1
- Platform: Linux
- Released: Feb 1, 2026
- Priority: Routine (Closes CVE-2021-23437)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2021-23437

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [pillow](https://patchblox.com/security/data/product/linux/pillow.md) | Debian 11.6 (bullseye) | 8.1.2+dfsg-0.3+deb11u3 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2021-23437](https://patchblox.com/security/data/cve/CVE-2021-23437.md) | Routine | python-Pillow: This update for python-Pillow fixes the following issues:  - Fixed ImagePath.Path array handling (bsc#1194552, CVE-20... | n/a | 0.0324 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo