Description
libsylph/utils.c in Sylpheed through 3.6 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection attacks via a crafted URL.
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 13 | sylpheed | No fix yet | — |
| Debian 12 | sylpheed | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | sylpheed | No fix yet | — |
| Ubuntu 24.04 LTS | sylpheed | No fix yet | — |
| Ubuntu 22.04 LTS | sylpheed | No fix yet | — |
| Ubuntu 20.04 LTS | sylpheed | No fix yet | — |
| Ubuntu 18.04 LTS | sylpheed | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | sylpheed | No fix yet | — |