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Vulnerability record · CVE-2017-8807 · published 16 November 2017

CVE-2017-8807: Varnish-cache varnish memory buffer overflow vulnerability

Varnish Cache · Varnish

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.

9.1 CVSS 3.1 Critical EPSS 4.1% · top 9.6% CWE-119 · Memory buffer overflow
9.1CVSS 3.1 base score, v2 6.4
4.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

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.

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

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://varnish-cache.org/security/VSV00002.html PatchVendor Advisory
http://www.securityfocus.com/bid/101886 Third Party AdvisoryVDB Entry
https://bugs.debian.org/881808 Issue TrackingThird Party Advisory
https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7 PatchVendor Advisory
https://github.com/varnishcache/varnish-cache/pull/2429 Issue TrackingVendor Advisory
https://www.debian.org/security/2017/dsa-4034 Third Party Advisory
http://varnish-cache.org/security/VSV00002.html PatchVendor Advisory
http://www.securityfocus.com/bid/101886 Third Party AdvisoryVDB Entry
https://bugs.debian.org/881808 Issue TrackingThird Party Advisory
https://github.com/varnishcache/varnish-cache/commit/176f8a075a963ffbfa56f1c460c15f6a1a6af5a7 PatchVendor Advisory
https://github.com/varnishcache/varnish-cache/pull/2429 Issue TrackingVendor Advisory
https://www.debian.org/security/2017/dsa-4034 Third Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2017-8807), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.