Description
HTMLDOC before 1.9.19 has an out-of-bounds write in parse_paragraph in ps-pdf.cxx because of an attempt to strip leading whitespace from a whitespace-only node.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | htmldoc | 1.9.18-2 | — |
| Debian 13 | htmldoc | 1.9.18-2 | — |
| Debian 12 | htmldoc | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | htmldoc | 1.9.17-1ubuntu0.1~esm1 | USN-7225-1 |
| Ubuntu Pro 22.04 LTS | htmldoc | 1.9.15-1ubuntu0.1~esm1 | USN-7225-1 |
| Ubuntu Pro 20.04 LTS | htmldoc | 1.9.7-1ubuntu0.3+esm2 | USN-7225-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | htmldoc | 1.9.2-1ubuntu0.2+esm2 | USN-7225-1 |
| Ubuntu Pro 16.04 LTS | htmldoc | 1.8.27-8ubuntu1.1+esm3 | USN-7225-1 |
| Ubuntu Pro 14.04 LTS | htmldoc | 1.8.27-8ubuntu1+esm4 | USN-7225-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP6 | htmldoc | 1.9.16-bp156.3.3.1 | openSUSE-SU-2024:0303-1 |
| SUSE Package Hub 15 SP5 | htmldoc | 1.9.16-bp155.2.3.1 | openSUSE-SU-2024:0304-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | htmldoc | 1.9.18-2.1 | openSUSE-SU-2024:14308-1 |
| openSUSE Leap 16.0 | htmldoc | 1.9.23-bp160.1.1 | openSUSE-SU-2026:20219-1 |
| openSUSE Leap 15.6 | htmldoc | 1.9.16-bp156.3.3.1 | openSUSE-SU-2024:0303-1 |
| openSUSE Leap 15.5 | htmldoc | 1.9.16-bp155.2.3.1 | openSUSE-SU-2024:0304-1 |
Advisories 5
- USN-7225-1 HTMLDOC vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2026:20219-1 Security update for htmldoc SUSE / openSUSE Security Updates · Mar 23, 2026
- openSUSE-SU-2024:14308-1 htmldoc-1.9.18-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:0303-1 Security update for htmldoc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:0304-1 Security update for htmldoc SUSE / openSUSE Security Updates · Feb 4, 2026