Description
lighttpd before 1.4.34, when SNI is enabled, configures weak SSL ciphers, which makes it easier for remote attackers to hijack sessions by inserting packets into the client-server data stream or obtain sensitive information by sniffing the network.
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 | lighttpd | 1.4.33-1+nmu1 | — |
| Debian 13 | lighttpd | 1.4.33-1+nmu1 | — |
| Debian 12 | lighttpd | 1.4.33-1+nmu1 | — |
| Debian 7 | lighttpd | 1.4.31-4+deb7u1 | DSA-2795-1 |
| Debian 6.0 | lighttpd | 1.4.28-2+squeeze1.4 | DSA-2795-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | lighttpd | 1.4.37-1.6 | openSUSE-SU-2024:10402-1 |
Advisories 2
- DSA-2795-1 lighttpd - several Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10402-1 lighttpd-1.4.37-1.6 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_01.txt
- [oss-security] 20131104 Re: CVE Request: lighttpd using vulnerable cipher suites with SNI mailing-list
- HPSBGN03191 vendor-advisory
- http://redmine.lighttpd.net/issues/2525
- openSUSE-SU-2014:0072 vendor-advisory
- DSA-2795 vendor-advisory
- http://redmine.lighttpd.net/projects/lighttpd/repository/revisions/2913/diff/
- JVN#37417423 third-party-advisory