Description
PubSub in Apple Safari before 4.0.5 does not properly implement use of the Accept Cookies preference to block cookies, which makes it easier for remote web servers to track users by setting a cookie in a (1) RSS or (2) Atom feed.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | libipc-pubsub-perl +1 | No fix yet | — |
| Ubuntu 26.04 LTS | libipc-pubsub-perl +1 | No fix yet | — |
| Ubuntu 25.10 | libipc-pubsub-perl +1 | No fix yet | — |
| Ubuntu 24.04 LTS | libipc-pubsub-perl +1 | No fix yet | — |
| Ubuntu 22.04 LTS | libipc-pubsub-perl +1 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | libipc-pubsub-perl +1 | No fix yet | — |
| Ubuntu 18.04 LTS | libipc-pubsub-perl +1 | No fix yet | — |
| Ubuntu 16.04 LTS | libipc-pubsub-perl +1 | No fix yet | — |
References
- APPLE-SA-2010-03-11-1 vendor-advisory
- 38675 vdb-entry
- safari-pubsub-security-bypass(56830) vdb-entry
- http://support.apple.com/kb/HT4070
- 62937 vdb-entry
- oval:org.mitre.oval:def:7051 vdb-entry signature
- 38671 vdb-entry