Vulnerability in Oracle Linux
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.
EPSS: 0.569 (98.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Oracle Linux — versions 6, 7
- Squid-cache Squid — versions 3.0, 3.1, 3.1.0.1
- Canonical Ubuntu_linux — versions 12.04, 14.04, 15.10
- N/a — versions n/a
Public proof-of-concept exploits
References
- GLSA-201607-01 (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- cve@mitre.org (x_refsource_CONFIRM, Third Party Advisory)
- SUSE-SU-2016:1996 (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM)
- USN-2995-1 (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- [oss-security] 20160506 Re: CVE Request: Squid HTTP caching proxy (mailing-list, x_refsource_MLIST, Third Party Advisory, Release Notes)
- RHSA-2016:1140 (x_refsource_REDHAT, vendor-advisory)
- openSUSE-SU-2016:2081 (vendor-advisory, x_refsource_SUSE)
- 1035770 (Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
Frequently asked questions
- What is CVE-2016-4556?
- CVE-2016-4556 is a high-severity vulnerability in Oracle Linux. CVSS score: 7.5/10. Published 2016-05-10.
- How severe is CVE-2016-4556?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-4556 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.