Buffer overflow in Squid-cache Squid
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.
Vulnerability class: Buffer Overflow
EPSS: 0.696 (98.7th 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
- Squid-cache Squid — versions 3.0, 3.0.stable1, 3.0.stable2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- USN-3557-1 (x_refsource_UBUNTU, vendor-advisory)
- GLSA-201607-01 (vendor-advisory, x_refsource_GENTOO)
- cve@mitre.org (x_refsource_CONFIRM, Patch)
- SUSE-SU-2016:1996 (vendor-advisory, x_refsource_SUSE)
- RHSA-2016:2600 (x_refsource_REDHAT, vendor-advisory)
- 1035458 (vdb-entry, x_refsource_SECTRACK)
- openSUSE-SU-2016:2081 (vendor-advisory, x_refsource_SUSE)
- SUSE-SU-2016:2089 (vendor-advisory, x_refsource_SUSE)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2016-3948?
- CVE-2016-3948 is a high-severity vulnerability in Squid-cache Squid, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-04-07.
- How severe is CVE-2016-3948?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2016-3948 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.