CVE-2016-2569
UnknownEPSS 31.41%
Last modified
CVE-2016-2569 is a vulnerability of currently unknown severity. Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long string, as demonstrated by a crafted HTTP Vary header.. EPSS estimates a 31.41% chance of exploitation in the next 30 days.
Description
Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long string, as demonstrated by a crafted HTTP Vary header.
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 133 affected configurations. See NVD for the full list.
References
- http://www.squid-cache.org/Advisories/SQUID-2016_2.txtVendor Advisory
- http://www.squid-cache.org/Advisories/SQUID-2016_2.txtVendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-2569?
Squid 3.x before 3.5.15 and 4.x before 4.0.7 does not properly append data to String objects, which allows remote servers to cause a denial of service (assertion failure and daemon exit) via a long string, as demonstrated by a crafted HTTP Vary header.
How severe is CVE-2016-2569?
Severity scoring for CVE-2016-2569 is pending analysis. The EPSS model estimates a 31.41% probability of exploitation in the next 30 days.
How do I fix CVE-2016-2569?
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-2016-2569?
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Scan your code nowSource: NVD / NIST