# htmldoc security updates

Patch Radar has 71 security fixes for htmldoc, closing 23 CVEs. The newest security fix is OPENSUSE-SU-2026:20219-1 (1.9.23-bp160.1.1), released February 13, 2026.

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

## Security fixes, newest first

| Fix | Released | Fixed in | Priority | CVEs | Exploited |
|---|---|---|---|---:|---:|
| [OPENSUSE-SU-2026:20219-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20219-1.md) | Feb 13, 2026 | opensuse-leap 16.0 1.9.23-bp160.1.1 | High | 2 | 0 |
| [htmldoc 1.9.18-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-htmldoc-1.9.18-1ubuntu0.1.md) | Jan 16, 2026 | Ubuntu 24.10 (oracular) 1.9.18-1ubuntu0.1 | High | 2 | 0 |
| [DEBIAN-CVE-2024-46478](https://patchblox.com/security/data/fix/linux/debian-cve-2024-46478.md) | Oct 24, 2024 | Debian 13.5 (trixie) 1.9.18-3 | High | 1 | 0 |
| [DEBIAN-CVE-2024-46478](https://patchblox.com/security/data/fix/linux/debian-cve-2024-46478.md) | Oct 24, 2024 | Debian 14 1.9.18-3 | High | 1 | 0 |
| [htmldoc 1.9.2-1ubuntu0.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-htmldoc-1.9.2-1ubuntu0.2-esm2.md) | Oct 24, 2024 | Ubuntu 18.04.6 LTS (bionic) 1.9.2-1ubuntu0.2+esm2 | High | 9 | 0 |
| [htmldoc 1.9.7-1ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-htmldoc-1.9.7-1ubuntu0.3-esm2.md) | Oct 24, 2024 | Ubuntu 20.04 LTS (focal) 1.9.7-1ubuntu0.3+esm2 | High | 9 | 0 |
| [htmldoc 1.9.15-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-htmldoc-1.9.15-1ubuntu0.1-esm1.md) | Oct 24, 2024 | Ubuntu 22.04.1 LTS (jammy) 1.9.15-1ubuntu0.1~esm1 | High | 4 | 0 |
| [htmldoc 1.9.17-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-htmldoc-1.9.17-1ubuntu0.1-esm1.md) | Oct 24, 2024 | Ubuntu 24.04.5 LTS (noble) 1.9.17-1ubuntu0.1~esm1 | High | 2 | 0 |
| [OPENSUSE-SU-2024:0303-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2024-0303-1.md) | Sep 16, 2024 | opensuse-leap 15.6 1.9.16-bp156.3.3.1 | High | 1 | 0 |
| [DEBIAN-CVE-2024-45508](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45508.md) | Sep 1, 2024 | Debian 13.5 (trixie) 1.9.18-2 | High | 1 | 0 |
| [DEBIAN-CVE-2024-45508](https://patchblox.com/security/data/fix/linux/debian-cve-2024-45508.md) | Sep 1, 2024 | Debian 14 1.9.18-2 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34121](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34121.md) | Jul 18, 2023 | Debian 12.15 (bookworm) 1.9.13-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34121](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34121.md) | Jul 18, 2023 | Debian 13.5 (trixie) 1.9.13-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34121](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34121.md) | Jul 18, 2023 | Debian 14 1.9.13-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34119](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34119.md) | Jul 18, 2023 | Debian 12.15 (bookworm) 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34119](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34119.md) | Jul 18, 2023 | Debian 13.5 (trixie) 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-34119](https://patchblox.com/security/data/fix/linux/debian-cve-2021-34119.md) | Jul 18, 2023 | Debian 14 1.9.12-1 | High | 1 | 0 |
| [htmldoc 1.9.2-1ubuntu0.2+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-htmldoc-1.9.2-1ubuntu0.2-esm1.md) | Jul 18, 2023 | Ubuntu 18.04.6 LTS (bionic) 1.9.2-1ubuntu0.2+esm1 | Urgent | 11 | 0 |
| [htmldoc 1.9.7-1ubuntu0.3+esm1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-htmldoc-1.9.7-1ubuntu0.3-esm1.md) | Jul 18, 2023 | Ubuntu 20.04 LTS (focal) 1.9.7-1ubuntu0.3+esm1 | Urgent | 11 | 0 |
| [DEBIAN-CVE-2022-0137](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0137.md) | Nov 14, 2022 | Debian 12.15 (bookworm) 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-0137](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0137.md) | Nov 14, 2022 | Debian 13.5 (trixie) 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-0137](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0137.md) | Nov 14, 2022 | Debian 14 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-34035](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34035.md) | Jul 18, 2022 | Debian 12.15 (bookworm) 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-34035](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34035.md) | Jul 18, 2022 | Debian 13.5 (trixie) 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-34035](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34035.md) | Jul 18, 2022 | Debian 14 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-34033](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34033.md) | Jul 18, 2022 | Debian 12.15 (bookworm) 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-34033](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34033.md) | Jul 18, 2022 | Debian 13.5 (trixie) 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-34033](https://patchblox.com/security/data/fix/linux/debian-cve-2022-34033.md) | Jul 18, 2022 | Debian 14 1.9.12-1 | High | 1 | 0 |
| [DEBIAN-CVE-2022-27114](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27114.md) | May 9, 2022 | Debian 12.15 (bookworm) 1.9.15-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-27114](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27114.md) | May 9, 2022 | Debian 13.5 (trixie) 1.9.15-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-27114](https://patchblox.com/security/data/fix/linux/debian-cve-2022-27114.md) | May 9, 2022 | Debian 14 1.9.15-2 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-28085](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28085.md) | Apr 27, 2022 | Debian 12.15 (bookworm) 1.9.15-2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-28085](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28085.md) | Apr 27, 2022 | Debian 13.5 (trixie) 1.9.15-2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-28085](https://patchblox.com/security/data/fix/linux/debian-cve-2022-28085.md) | Apr 27, 2022 | Debian 14 1.9.15-2 | High | 1 | 0 |
| [DEBIAN-CVE-2022-24191](https://patchblox.com/security/data/fix/linux/debian-cve-2022-24191.md) | Apr 4, 2022 | Debian 12.15 (bookworm) 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-24191](https://patchblox.com/security/data/fix/linux/debian-cve-2022-24191.md) | Apr 4, 2022 | Debian 13.5 (trixie) 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-24191](https://patchblox.com/security/data/fix/linux/debian-cve-2022-24191.md) | Apr 4, 2022 | Debian 14 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-23165](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23165.md) | Mar 16, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2021-23165](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23165.md) | Mar 16, 2022 | Debian 13.5 (trixie) 1.9.11-4 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2021-23165](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23165.md) | Mar 16, 2022 | Debian 14 1.9.11-4 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2021-23158](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23158.md) | Mar 16, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2021-23158](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23158.md) | Mar 16, 2022 | Debian 13.5 (trixie) 1.9.11-4 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2021-23158](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23158.md) | Mar 16, 2022 | Debian 14 1.9.11-4 | Urgent | 1 | 0 |
| [htmldoc 1.9.2-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-htmldoc-1.9.2-1ubuntu0.2.md) | Mar 16, 2022 | Ubuntu 18.04.6 LTS (bionic) 1.9.2-1ubuntu0.2 | Urgent | 1 | 0 |
| [htmldoc 1.9.7-1ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-htmldoc-1.9.7-1ubuntu0.3.md) | Mar 16, 2022 | Ubuntu 20.04 LTS (focal) 1.9.7-1ubuntu0.3 | Urgent | 1 | 0 |
| [DEBIAN-CVE-2021-26259](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26259.md) | Mar 3, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26259](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26259.md) | Mar 3, 2022 | Debian 13.5 (trixie) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26259](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26259.md) | Mar 3, 2022 | Debian 14 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26948](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26948.md) | Mar 3, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26948](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26948.md) | Mar 3, 2022 | Debian 13.5 (trixie) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26948](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26948.md) | Mar 3, 2022 | Debian 14 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23206](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23206.md) | Mar 2, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23206](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23206.md) | Mar 2, 2022 | Debian 13.5 (trixie) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23206](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23206.md) | Mar 2, 2022 | Debian 14 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23180](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23180.md) | Mar 2, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23180](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23180.md) | Mar 2, 2022 | Debian 13.5 (trixie) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23180](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23180.md) | Mar 2, 2022 | Debian 14 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23191](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23191.md) | Mar 2, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23191](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23191.md) | Mar 2, 2022 | Debian 13.5 (trixie) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-23191](https://patchblox.com/security/data/fix/linux/debian-cve-2021-23191.md) | Mar 2, 2022 | Debian 14 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26252](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26252.md) | Feb 24, 2022 | Debian 12.15 (bookworm) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26252](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26252.md) | Feb 24, 2022 | Debian 13.5 (trixie) 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2021-26252](https://patchblox.com/security/data/fix/linux/debian-cve-2021-26252.md) | Feb 24, 2022 | Debian 14 1.9.11-4 | High | 1 | 0 |
| [DEBIAN-CVE-2022-0534](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0534.md) | Feb 9, 2022 | Debian 12.15 (bookworm) 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-0534](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0534.md) | Feb 9, 2022 | Debian 13.5 (trixie) 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2022-0534](https://patchblox.com/security/data/fix/linux/debian-cve-2022-0534.md) | Feb 9, 2022 | Debian 14 1.9.15-1 | Routine | 1 | 0 |
| [DEBIAN-CVE-2021-43579](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43579.md) | Jan 10, 2022 | Debian 12.15 (bookworm) 1.9.13-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-43579](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43579.md) | Jan 10, 2022 | Debian 13.5 (trixie) 1.9.13-1 | High | 1 | 0 |
| [DEBIAN-CVE-2021-43579](https://patchblox.com/security/data/fix/linux/debian-cve-2021-43579.md) | Jan 10, 2022 | Debian 14 1.9.13-1 | High | 1 | 0 |
| [htmldoc 1.9.7-1ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-htmldoc-1.9.7-1ubuntu0.2.md) | Jun 2, 2021 | Ubuntu 20.04 LTS (focal) 1.9.7-1ubuntu0.2 | High | 1 | 0 |
| [htmldoc 1.9.2-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-htmldoc-1.9.2-1ubuntu0.1.md) | Dec 7, 2019 | Ubuntu 18.04.6 LTS (bionic) 1.9.2-1ubuntu0.1 | Routine | 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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