Memory corruption in Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1
Priority MEDIUM 46CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
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.
Why it matters now
EPSS 0.04084 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 | Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 | — | No fix listed | CNA |
- Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 Vendor— Affected Varnish HTTP Cache 4.1.x before 4.1.9 and 5.x before 5.2.1 Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:varnish-cache:varnish:*:*:*:*:*:*:*:* | 4.1.0 to before 4.1.9 | Vulnerable | Varnish-cache |
| cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:* | 5.0.0 to before 5.2.1 | Vulnerable | Varnish Cache Project |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:varnish-cache:varnish:*:*:*:*:*:*:*:* Versions 4.1.0 to before 4.1.9 Vulnerable ·Varnish-cache
- cpe:2.3:a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:* Versions 5.0.0 to before 5.2.1 Vulnerable ·Varnish Cache Project
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 1 product
- Red Hat Software Collections
Timeline
- 2026-10-02 Threatist record created from CVE-2017-8807
- 2026-10-03 Alias added: GHSA-r6hf-gj32-7rc9
References
Sources
- CVE-2017-8807 · CVE Program
- CVE-2017-8807 · NVD
- FIRST EPSS
- GHSA-r6hf-gj32-7rc9 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-8807 · Red Hat security data · CC BY 4.0
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