# CVE-2023-36328: libtommath: Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9...

CVE-2023-36328 is fixed in 7 products on 1 platform, first by libtommath-docs 1.0.1-1ubuntu0.1~esm1, released September 1, 2023. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2023-36328
- Priority: Urgent
- CVSS: 9.8 (critical)
- EPSS: 0.0127
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 1, 2023

## Description

Integer Overflow vulnerability in mp_grow in libtom libtommath before commit beba892bc0d4e4ded4d667ab1d2a94f4d75109a9, allows attackers to execute arbitrary code and cause a denial of service (DoS).

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libtommath Debian 11.6 (bullseye) | 1.2.0-6+deb11u1 | [DLA-3857-1](https://patchblox.com/security/data/fix/linux/dla-3857-1.md) | Aug 26, 2024 |
| Linux | libtommath Debian 12.15 (bookworm) | 1.2.0-6+deb12u1 | [DEBIAN-CVE-2023-36328](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36328.md) | Sep 1, 2023 |
| Linux | libtommath Debian 13.5 (trixie) | 1.2.1-1 | [DEBIAN-CVE-2023-36328](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36328.md) | Sep 1, 2023 |
| Linux | libtommath Debian 14 | 1.2.1-1 | [DEBIAN-CVE-2023-36328](https://patchblox.com/security/data/fix/linux/debian-cve-2023-36328.md) | Sep 1, 2023 |
| Linux | libtommath amzn 2023 | 1.2.0-62.amzn2023.0.1 | [ALAS2023-2023-370](https://patchblox.com/security/data/fix/linux/alas2023-2023-370.md) | Sep 27, 2023 |
| Linux | libtommath-debuginfo amzn 2023 | 1.2.0-62.amzn2023.0.1 | [ALAS2023-2023-370](https://patchblox.com/security/data/fix/linux/alas2023-2023-370.md) | Sep 27, 2023 |
| Linux | libtommath-debugsource amzn 2023 | 1.2.0-62.amzn2023.0.1 | [ALAS2023-2023-370](https://patchblox.com/security/data/fix/linux/alas2023-2023-370.md) | Sep 27, 2023 |
| Linux | libtommath-devel amzn 2023 | 1.2.0-62.amzn2023.0.1 | [ALAS2023-2023-370](https://patchblox.com/security/data/fix/linux/alas2023-2023-370.md) | Sep 27, 2023 |
| Linux | libtommath-doc amzn 2023 | 1.2.0-62.amzn2023.0.1 | [ALAS2023-2023-370](https://patchblox.com/security/data/fix/linux/alas2023-2023-370.md) | Sep 27, 2023 |
| Linux | libtommath-docs Ubuntu 18.04.6 LTS (bionic) | 1.0.1-1ubuntu0.1~esm1 | [libtommath-docs 1.0.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtommath-docs-1.0.1-1ubuntu0.1-esm1.md) | Sep 1, 2023 |
| Linux | libtommath1 Ubuntu 18.04.6 LTS (bionic) | 1.0.1-1ubuntu0.1~esm1 | [libtommath1 1.0.1-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libtommath1-1.0.1-1ubuntu0.1-esm1.md) | Sep 1, 2023 |
| Linux | libtommath1 Ubuntu 20.04 LTS (focal) | 1.2.0-3ubuntu0.1 | [libtommath1 1.2.0-3ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libtommath1-1.2.0-3ubuntu0.1.md) | Sep 1, 2023 |
| Linux | libtommath1 Ubuntu 22.04.1 LTS (jammy) | 1.2.0-6ubuntu0.22.04.1 | [libtommath1 1.2.0-6ubuntu0.22.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libtommath1-1.2.0-6ubuntu0.22.04.1.md) | Sep 1, 2023 |

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