CVE-2017-8807 Information disclosure in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1

What is CVE-2017-8807?

CVE-2017-8807 is a critical vulnerability in Debian Debian Linux, published on 16 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

vbf_stp_error in bin/varnishd/cache/cache_fetch.c in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 allows remote attackers to obtain sensitive information from process memory because a VFP_GetStorage buffer is larger than intended in certain circumstances involving -sfile Stevedore transient objects.

Weakness: CWE-119

Which versions are affected by CVE-2017-8807?

It affects 3 products.

Products include Debian Debian Linux, Varnish-Cache Varnish, Varnish Cache Project Varnish Cache.

How do I fix CVE-2017-8807?

Upgrade to a fixed version.

Is CVE-2017-8807 being exploited?

There is no known exploitation of CVE-2017-8807 in the wild and no public exploit code.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2017-8807, DEBIAN-CVE-2017-8807, DSA-4034-1, GHSA-r6hf-gj32-7rc9, MGASA-2017-0435, UBUNTU-CVE-2017-8807 and 1 more.