CVE-2016-4556
UnknownEPSS 23.11%
Last modified
CVE-2016-4556 is a vulnerability of currently unknown severity. Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.. EPSS estimates a 23.11% chance of exploitation in the next 30 days.
Description
Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.
Metrics
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | 3.0 |
| 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 |
| Squid-Cache | Squid | 3.1.5.1 |
| Squid-Cache | Squid | 3.1.6 |
| Squid-Cache | Squid | 3.1.7 |
| Squid-Cache | Squid | 3.1.8 |
| Squid-Cache | Squid | 3.1.9 |
| Squid-Cache | Squid | 3.1.10 |
| Squid-Cache | Squid | 3.1.11 |
| Squid-Cache | Squid | 3.1.12 |
| Squid-Cache | Squid | 3.1.12.1 |
| Squid-Cache | Squid | 3.1.12.2 |
| Squid-Cache | Squid | 3.1.12.3 |
| Squid-Cache | Squid | 3.1.13 |
| Squid-Cache | Squid | 3.1.14 |
| Squid-Cache | Squid | 3.1.15 |
| Squid-Cache | Squid | 3.1.16 |
| Squid-Cache | Squid | 3.1.17 |
| Squid-Cache | Squid | 3.1.18 |
| Squid-Cache | Squid | 3.1.19 |
| Squid-Cache | Squid | 3.1.20 |
| Squid-Cache | Squid | 3.1.21 |
| Squid-Cache | Squid | 3.1.22 |
| Squid-Cache | Squid | 3.2.0.1 |
| Squid-Cache | Squid | 3.2.0.2 |
| Squid-Cache | Squid | 3.2.0.3 |
| Squid-Cache | Squid | 3.2.0.4 |
Showing 50 of 148 affected configurations. See NVD for the full list.
References
- http://www.openwall.com/lists/oss-security/2016/05/06/3Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/06/5Release Notes, Third Party Advisory
- http://www.securitytracker.com/id/1035770Third Party Advisory
- http://www.squid-cache.org/Advisories/SQUID-2016_9.txtVendor Advisory
- http://www.ubuntu.com/usn/USN-2995-1Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/06/3Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/06/5Release Notes, Third Party Advisory
- http://www.securitytracker.com/id/1035770Third Party Advisory
- http://www.squid-cache.org/Advisories/SQUID-2016_9.txtVendor Advisory
- http://www.ubuntu.com/usn/USN-2995-1Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-4556?
Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.
How severe is CVE-2016-4556?
Severity scoring for CVE-2016-4556 is pending analysis. The EPSS model estimates a 23.11% probability of exploitation in the next 30 days.
How do I fix CVE-2016-4556?
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.
Are you affected by CVE-2016-4556?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST