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Fencer Vulns
critical 9.1

CVE-2017-8807 json

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…

published 2017-11-16 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17750

cvss
9.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

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.

Patch / fix

  • varnish-cache varnish 4.1.9
  • varnish_cache_project varnish_cache 5.2.1
  • varnish Debian 13, Debian 12 5.2.1-1

debian advisories DEBIAN-CVE-2017-8807

  • varnish Ubuntu Pro 16.04 LTS 4.1.1-1ubuntu0.2+esm1

ubuntu advisories UBUNTU-CVE-2017-8807

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • varnish Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 5.2.1-r0
  • varnish Alpine 3.6, Alpine 3.5, Alpine 3.4 +1 more 4.1.9-r0

alpine advisories ALPINE-CVE-2017-8807

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-8807 updated cvss 5.3

varnish: Data leak - ‘-sfile’ Stevedore transient objects

  • Red Hat Software Collections rh-varnish4-varnish, rh-varnish4-varnish-libs, rh-varnish4-varnish-selinux
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

4.08% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected products

  • n/a Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.