CVE-2016-3948
UnknownEPSS 35.27%
Last modified
CVE-2016-3948 is a vulnerability of currently unknown severity. Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.. EPSS estimates a 35.27% chance of exploitation in the next 30 days.
Description
Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | 3.0 |
| Squid-Cache | Squid | 3.0.stable1 |
| Squid-Cache | Squid | 3.0.stable2 |
| Squid-Cache | Squid | 3.0.stable3 |
| Squid-Cache | Squid | 3.0.stable4 |
| Squid-Cache | Squid | 3.0.stable5 |
| Squid-Cache | Squid | 3.0.stable6 |
| Squid-Cache | Squid | 3.0.stable7 |
| Squid-Cache | Squid | 3.0.stable8 |
| Squid-Cache | Squid | 3.0.stable9 |
| Squid-Cache | Squid | 3.0.stable10 |
| Squid-Cache | Squid | 3.0.stable11 |
| Squid-Cache | Squid | 3.0.stable12 |
| Squid-Cache | Squid | 3.0.stable13 |
| Squid-Cache | Squid | 3.0.stable14 |
| Squid-Cache | Squid | 3.0.stable15 |
| Squid-Cache | Squid | 3.0.stable16 |
| Squid-Cache | Squid | 3.0.stable17 |
| Squid-Cache | Squid | 3.0.stable18 |
| Squid-Cache | Squid | 3.0.stable19 |
| Squid-Cache | Squid | 3.0.stable20 |
| Squid-Cache | Squid | 3.0.stable21 |
| Squid-Cache | Squid | 3.0.stable22 |
| Squid-Cache | Squid | 3.0.stable23 |
| Squid-Cache | Squid | 3.0.stable24 |
| Squid-Cache | Squid | 3.0.stable25 |
| Squid-Cache | Squid | 3.1 |
| Squid-Cache | Squid | 3.1.0.1 |
| Squid-Cache | Squid | 3.1.0.2 |
| Squid-Cache | Squid | 3.1.0.3 |
| Squid-Cache | Squid | 3.1.0.4 |
| Squid-Cache | Squid | 3.1.0.5 |
| Squid-Cache | Squid | 3.1.0.6 |
| Squid-Cache | Squid | 3.1.0.7 |
| Squid-Cache | Squid | 3.1.0.8 |
| Squid-Cache | Squid | 3.1.0.9 |
| Squid-Cache | Squid | 3.1.0.10 |
| Squid-Cache | Squid | 3.1.0.11 |
| Squid-Cache | Squid | 3.1.0.12 |
| Squid-Cache | Squid | 3.1.0.13 |
| Squid-Cache | Squid | 3.1.0.14 |
| Squid-Cache | Squid | 3.1.0.15 |
| Squid-Cache | Squid | 3.1.0.16 |
| Squid-Cache | Squid | 3.1.0.17 |
| Squid-Cache | Squid | 3.1.0.18 |
| Squid-Cache | Squid | 3.1.1 |
| Squid-Cache | Squid | 3.1.2 |
| Squid-Cache | Squid | 3.1.3 |
| Squid-Cache | Squid | 3.1.4 |
| Squid-Cache | Squid | 3.1.5 |
Showing 50 of 148 affected configurations. See NVD for the full list.
References
- http://www.squid-cache.org/Advisories/SQUID-2016_4.txtVendor Advisory
- http://www.squid-cache.org/Advisories/SQUID-2016_4.txtVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-3948?
Squid 3.x before 3.5.16 and 4.x before 4.0.8 improperly perform bounds checking, which allows remote attackers to cause a denial of service via a crafted HTTP response, related to Vary headers.
How severe is CVE-2016-3948?
Severity scoring for CVE-2016-3948 is pending analysis. The EPSS model estimates a 35.27% probability of exploitation in the next 30 days.
How do I fix CVE-2016-3948?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2016-3948?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST