CVE-2016-3947
8.2
HIGH
CVSS 3.1
EPSS 75.4%
Description
Heap-based buffer overflow in the Icmp6::Recv function in icmp/Icmp6.cc in the pinger utility in Squid before 3.5.16 and 4.x before 4.0.8 allows remote servers to cause a denial of service (performance degradation or transition failures) or write sensitive information to log files via an ICMPv6 packet.
How to fix CVE-2016-3947
To remediate CVE-2016-3947, upgrade the affected package to a fixed version below.
- Debian/squid—upgrade to 4.1-1 or later
Is CVE-2016-3947 being exploited?
Likely — EPSS is 75.4%, placing CVE-2016-3947 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 4.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |