# CVE-2024-46478: htmldoc: HTMLDOC v1.9.18 contains a buffer overflow in parse_prefunction,ps-pdf.cxx:5681.

CVE-2024-46478 is fixed in 2 products on 1 platform, first by htmldoc 1.9.2-1ubuntu0.2+esm2, released October 24, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-46478
- Priority: High
- CVSS: 9.8 (Medium)
- EPSS: 0.0067
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Oct 24, 2024

## Description

HTMLDOC v1.9.18 contains a buffer overflow in parse_prefunction,ps-pdf.cxx:5681.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | htmldoc Debian 13.5 (trixie) | 1.9.18-3 | [DEBIAN-CVE-2024-46478](https://patchblox.com/security/data/fix/linux/debian-cve-2024-46478.md) | Oct 24, 2024 |
| Linux | htmldoc Debian 14 | 1.9.18-3 | [DEBIAN-CVE-2024-46478](https://patchblox.com/security/data/fix/linux/debian-cve-2024-46478.md) | Oct 24, 2024 |
| Linux | htmldoc Ubuntu 18.04.6 LTS (bionic) | 1.9.2-1ubuntu0.2+esm2 | [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 |
| Linux | htmldoc Ubuntu 20.04 LTS (focal) | 1.9.7-1ubuntu0.3+esm2 | [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 |
| Linux | htmldoc Ubuntu 22.04.1 LTS (jammy) | 1.9.15-1ubuntu0.1~esm1 | [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 |
| Linux | htmldoc Ubuntu 24.04.5 LTS (noble) | 1.9.17-1ubuntu0.1~esm1 | [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 |
| Linux | htmldoc Ubuntu 24.10 (oracular) | 1.9.18-1ubuntu0.1 | [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 |
| Linux | htmldoc opensuse-leap 16.0 | 1.9.23-bp160.1.1 | [OPENSUSE-SU-2026:20219-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20219-1.md) | Feb 13, 2026 |
| Linux | htmldoc-common Ubuntu 18.04.6 LTS (bionic) | 1.9.2-1ubuntu0.2+esm2 | [htmldoc-common 1.9.2-1ubuntu0.2+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-htmldoc-common-1.9.2-1ubuntu0.2-esm2.md) | Oct 24, 2024 |
| Linux | htmldoc-common Ubuntu 20.04 LTS (focal) | 1.9.7-1ubuntu0.3+esm2 | [htmldoc-common 1.9.7-1ubuntu0.3+esm2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-htmldoc-common-1.9.7-1ubuntu0.3-esm2.md) | Oct 24, 2024 |
| Linux | htmldoc-common Ubuntu 22.04.1 LTS (jammy) | 1.9.15-1ubuntu0.1~esm1 | [htmldoc-common 1.9.15-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-htmldoc-common-1.9.15-1ubuntu0.1-esm1.md) | Oct 24, 2024 |
| Linux | htmldoc-common Ubuntu 24.04.5 LTS (noble) | 1.9.17-1ubuntu0.1~esm1 | [htmldoc-common 1.9.17-1ubuntu0.1~esm1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-htmldoc-common-1.9.17-1ubuntu0.1-esm1.md) | Oct 24, 2024 |
| Linux | htmldoc-common Ubuntu 24.10 (oracular) | 1.9.18-1ubuntu0.1 | [htmldoc-common 1.9.18-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-htmldoc-common-1.9.18-1ubuntu0.1.md) | Jan 16, 2026 |

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Data as of 2026-11-08T13:06:02Z 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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