# nasm security updates

Patch Radar has 29 security fixes for nasm, closing 11 CVEs. The newest security fix is FEDORA-2026-9AF234BCD6 (2.16.03-5.fc43), released July 22, 2026.

- Web page: https://patchblox.com/security/product/linux/nasm
- Platform: Linux
- Supported: yes

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [FEDORA-2026-9AF234BCD6](https://patchblox.com/security/data/fix/linux/fedora-2026-9af234bcd6.md) | Jul 22, 2026 | Fedora 43 2.16.03-5.fc43 | Routine | 2 | 0 |
| [SUSE-SU-2026:3178-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-3178-1.md) | Jul 22, 2026 | sles 15.7 2.16.03-150700.3.3.1 | Routine | 2 | 0 |
| [OPENSUSE-SU-2026:21333-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21333-1.md) | Jul 13, 2026 | opensuse-leap 16.0 3.02-160000.1.1 | Routine | 2 | 0 |
| [ALAS2023-2024-642](https://patchblox.com/security/data/fix/linux/alas2023-2024-642.md) | Jun 6, 2024 | amzn 2023 2.15.05-1.amzn2023.0.6 | Routine | 1 | 0 |
| [ALAS2023-2023-354](https://patchblox.com/security/data/fix/linux/alas2023-2023-354.md) | Sep 14, 2023 | amzn 2023 2.15.05-1.amzn2023.0.5 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-29654](https://patchblox.com/security/data/fix/linux/debian-cve-2022-29654.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 2.16.01-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-29654](https://patchblox.com/security/data/fix/linux/debian-cve-2022-29654.md) | Aug 22, 2023 | Debian 13.5 (trixie) 2.16.01-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-29654](https://patchblox.com/security/data/fix/linux/debian-cve-2022-29654.md) | Aug 22, 2023 | Debian 14 2.16.01-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21687](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21687.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21687](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21687.md) | Aug 22, 2023 | Debian 13.5 (trixie) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21687](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21687.md) | Aug 22, 2023 | Debian 14 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21686](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21686.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21686](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21686.md) | Aug 22, 2023 | Debian 13.5 (trixie) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21686](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21686.md) | Aug 22, 2023 | Debian 14 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21685](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21685.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21685](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21685.md) | Aug 22, 2023 | Debian 13.5 (trixie) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21685](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21685.md) | Aug 22, 2023 | Debian 14 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21528](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21528.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 2.16.01-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21528](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21528.md) | Aug 22, 2023 | Debian 13.5 (trixie) 2.16.01-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-21528](https://patchblox.com/security/data/fix/linux/debian-cve-2020-21528.md) | Aug 22, 2023 | Debian 14 2.16.01-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-18780](https://patchblox.com/security/data/fix/linux/debian-cve-2020-18780.md) | Aug 22, 2023 | Debian 12.15 (bookworm) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-18780](https://patchblox.com/security/data/fix/linux/debian-cve-2020-18780.md) | Aug 22, 2023 | Debian 13.5 (trixie) 2.15.04-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2020-18780](https://patchblox.com/security/data/fix/linux/debian-cve-2020-18780.md) | Aug 22, 2023 | Debian 14 2.15.04-1 | Routine | 1 | 0 |
| [nasm 2.15.05-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-nasm-2.15.05-1ubuntu0.1-esm1.md) | May 17, 2023 | Ubuntu 22.04.1 LTS (jammy) 2.15.05-1ubuntu0.1~esm1 | Routine | 1 | 0 |
| [nasm 2.16.01-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-nasm-2.16.01-1ubuntu0.1-esm1.md) | May 17, 2023 | Ubuntu 24.04.5 LTS (noble) 2.16.01-1ubuntu0.1~esm1 | Routine | 1 | 0 |
| [ALAS2023-2023-172](https://patchblox.com/security/data/fix/linux/alas2023-2023-172.md) | Apr 27, 2023 | amzn 2023 2.15.05-1.amzn2023.0.4 | High | 1 | 0 |
| [DEBIAN-CVE-2022-44370](https://patchblox.com/security/data/fix/linux/debian-cve-2022-44370.md) | Mar 29, 2023 | Debian 12.15 (bookworm) 2.16.01-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-44370](https://patchblox.com/security/data/fix/linux/debian-cve-2022-44370.md) | Mar 29, 2023 | Debian 13.5 (trixie) 2.16.01-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-44370](https://patchblox.com/security/data/fix/linux/debian-cve-2022-44370.md) | Mar 29, 2023 | Debian 14 2.16.01-1 | High | 1 | 0 |

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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

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