Buffer overflow in Squid-Cache Squid
CVE-2016-4052
Multiple stack-based buffer overflows in Squid 3.x before 3.5.17 and 4.x before 4.0.9 allow remote HTTP servers to cause a denial of service or execute arbitrary code via crafted Edge Side Includes (ESI) responses.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.129 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.129 · newest: 0.129 · change: 0.000
Affected products
- Squid-Cache Squid — versions 3.0, 3.1, 3.1.0.1
- Canonical Ubuntu Linux — versions 12.04, 14.04, 15.10
Weakness classification (CWE)
References
- www.squid-cache.org/Advisories/SQUID-2016_6.txt (Vendor Advisory)
- security.gentoo.org/glsa/201607-01 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html (Patch, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/04/20/6 (mailing-list, Mailing List, Third Party Advisory)
- www.ubuntu.com/usn/USN-2995-1 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2016:1140 (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2016-08/msg00069.html (vendor-advisory)
- access.redhat.com/errata/RHSA-2016:1138 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-4052?
- CVE-2016-4052 is a high-severity vulnerability in Squid-Cache Squid, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2016-04-25.
- How severe is CVE-2016-4052?
- High severity. CVSS v3 base score is 8.1 out of 10.