# DLA-3857-1: libtommath security update

DLA-3857-1, released August 26, 2024, fixes 1 CVE in libtommath (version 1.2.0-6+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-3857-1
- Platform: Linux
- Released: Aug 26, 2024
- Priority: Urgent (Closes CVE-2023-36328, rated Critical)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://security-tracker.debian.org/tracker/CVE-2023-36328

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libtommath](https://patchblox.com/security/data/product/linux/libtommath.md) | Debian 11.6 (bullseye) | 1.2.0-6+deb11u1 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-36328](https://patchblox.com/security/data/cve/CVE-2023-36328.md) | Urgent | libtommath: Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9... | 9.8 | 0.0127 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo