Description
Integer overflow in the htmldoc 1.9.11 and before may allow attackers to execute arbitrary code and cause a denial of service that is similar to CVE-2017-9181.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | htmldoc | htmldoc 1.9.11 and older | — |
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 | 1.9.11-3 | — |
| Debian 13 | htmldoc | 1.9.11-3 | — |
| Debian 12 | htmldoc | 1.9.11-3 | — |
| Debian 9 | htmldoc | 1.8.27-8+deb9u1 | DLA-2700-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | htmldoc | 1.9.7-1ubuntu0.3+esm1 | USN-7189-1 |
| Ubuntu Pro 18.04 LTS | htmldoc | 1.9.2-1ubuntu0.2+esm1 | USN-7189-1 |
| Ubuntu Pro 16.04 LTS | htmldoc | 1.8.27-8ubuntu1.1+esm2 | USN-7189-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | htmldoc | 1.8.27-8ubuntu1+esm3 | USN-7189-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Subscription Management Tool 11 SP3 | htmldoc | 1.8.27-170.4.9.1 | SUSE-SU-2022:14898-1 |
| SUSE Package Hub 15 SP2 | htmldoc | 1.9.12-bp152.4.3.1 | openSUSE-SU-2021:0893-1 |
| SUSE Package Hub 15 SP1 | htmldoc | 1.9.12-bp151.4.3.1 | openSUSE-SU-2021:0895-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 SP1 | htmldoc | 1.8.28-6.1 | openSUSE-SU-2021:1266-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | htmldoc | 1.9.12-1.2 | openSUSE-SU-2024:10848-1 |
| openSUSE Leap 15.2 | htmldoc | 1.9.12-lp152.4.3.1 | openSUSE-SU-2021:0882-1 |
Advisories 8
- USN-7189-1 HTMLDOC vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-2700-1 htmldoc - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2021:1266-1 Security update for htmldoc SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:14898-1 Security update for htmldoc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0893-1 Security update for htmldoc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0882-1 Security update for htmldoc SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:10848-1 htmldoc-1.9.12-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0895-1 Security update for htmldoc SUSE / openSUSE Security Updates · Feb 4, 2026