Description
htmlheadline before 21.8 allows local users to overwrite arbitrary files via a symlink attack on temporary files.
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 3.0 | htmlheadline | 21.8-3 | DSA-622-1 |
Advisories 1
- DSA-622-1 htmlheadline - insecure temporary files Debian Security (DSA / DLA) · Mar 9, 2026
References
- DSA-622 vendor-advisory
- 12147 vdb-entry
- htmlheadline-symlink(18737) vdb-entry
- 13715 third-party-advisory
- 1012756 vdb-entry