Description
The HTML-StripScripts module through 1.06 for Perl allows _hss_attval_style ReDoS because of catastrophic backtracking for HTML content with certain style attributes.
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 | libhtml-stripscripts-perl | 1.06-4 | — |
| Debian 13 | libhtml-stripscripts-perl | 1.06-4 | — |
| Debian 12 | libhtml-stripscripts-perl | 1.06-4 | — |
| Debian 11 | libhtml-stripscripts-perl | 1.06-1+deb11u1 | DSA-5339-1 |
| Debian 10 | libhtml-stripscripts-perl | 1.06-1+deb10u1 | DLA-3296-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | libhtml-stripscripts-perl | 1.06-1ubuntu0.22.04.1 | USN-6100-1 |
| Ubuntu 20.04 LTS | libhtml-stripscripts-perl | 1.06-1ubuntu0.20.04.1 | USN-6100-1 |
| Ubuntu 18.04 LTS | libhtml-stripscripts-perl | 1.06-1ubuntu0.18.04.1 | USN-6100-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | libhtml-stripscripts-perl | 1.05-2ubuntu0.1~esm1 | USN-6100-1 |
| Ubuntu Pro 14.04 LTS | libhtml-stripscripts-perl | 1.05-1ubuntu0.1~esm1 | USN-6100-1 |
Advisories 3
- USN-6100-1 libhtml-stripscripts-perl vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- DSA-5339-1 libhtml-stripscripts-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3296-1 libhtml-stripscripts-perl - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://github.com/clintongormley/perl-html-stripscripts/issues/3
- [debian-lts-announce] 20230130 [SECURITY] [DLA 3296-1] libhtml-stripscripts-perl security update mailing-list
- DSA-5339 vendor-advisory
- FEDORA-2023-a42aa9700f vendor-advisory
- FEDORA-2023-6f16e3bcee vendor-advisory