# DLA-4216-1: cjson security update

DLA-4216-1, released June 15, 2025, fixes 1 CVE in cjson (version 1.7.14-1+deb11u2). 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-4216-1
- Platform: Linux
- Released: Jun 15, 2025
- Priority: Routine (Closes CVE-2023-26819)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-26819

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [cjson](https://patchblox.com/security/data/product/linux/cjson.md) | Debian 11.6 (bullseye) | 1.7.14-1+deb11u2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-26819](https://patchblox.com/security/data/cve/CVE-2023-26819.md) | Routine | cJSON 1.7.15 might allow a denial of service via a crafted JSON document such as {"a": true, "b": [ null,9999999999999999999999999999999999999999999999912345678901234567]}. | 2.9 | 0.0023 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo