Debian Security Advisory
DSA-3924-1 varnish -- security update
- Date Reported:
- 02 Aug 2017
- Affected Packages:
- Security database references:
- In the Debian bugtracking system: Bug 870467.
In Mitre's CVE dictionary: CVE-2017-12425.
- More information:
A denial of service vulnerability was discovered in Varnish, a state of the art, high-performance web accelerator. Specially crafted HTTP requests can cause the Varnish daemon to assert and restart, clearing the cache in the process.
See https://varnish-cache.org/security/VSV00001.html for details.
For the oldstable distribution (jessie), this problem has been fixed in version 4.0.2-1+deb8u1.
For the stable distribution (stretch), this problem has been fixed in version 5.0.0-7+deb9u1.
We recommend that you upgrade your varnish packages.