CVE-2017-8807

Name: CVE-2017-8807
Creator: NVD / NIST
Published: 2017-11-16T02:29:05.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 4.08%

Last modified Jun 17, 2026

CVE-2017-8807 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. 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.. EPSS estimates a 4.08% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS Probability

4.08%

89.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Varnish-Cache	Varnish	>= 4.1.0, < 4.1.9
Varnish Cache Project	Varnish Cache	>= 5.0.0, < 5.2.1
Debian	Debian Linux	9.0

References

http://varnish-cache.org/security/VSV00002.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/101886Third Party Advisory, VDB Entry
https://bugs.debian.org/881808Issue Tracking, Third Party Advisory
https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7Patch, Vendor Advisory
https://github.com/varnishcache/varnish-cache/pull/2429Issue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-4034Third Party Advisory
http://varnish-cache.org/security/VSV00002.htmlPatch, Vendor Advisory
http://www.securityfocus.com/bid/101886Third Party Advisory, VDB Entry
https://bugs.debian.org/881808Issue Tracking, Third Party Advisory
https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7Patch, Vendor Advisory
https://github.com/varnishcache/varnish-cache/pull/2429Issue Tracking, Vendor Advisory
https://www.debian.org/security/2017/dsa-4034Third Party Advisory

Timeline

Published: Nov 16, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8807?

How severe is CVE-2017-8807?

CVE-2017-8807 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 4.08% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8807?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8807?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST