CVE-2016-5408
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package...
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package before 3.1.23-16.el6_8.6 in Red Hat Enterprise Linux 6 allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-4051.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package before 3.1.23-16.el6_8.6 in Red Hat Enterprise Linux 6 allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-4051.
- Record
CVE-2016-5408- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-119
- Updated
- 2026-11-02
CVE List No score
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package before 3.1.23-16.el6_8.6 in Red Hat Enterprise Linux 6 allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-4051.
- Record
CVE-2016-5408- Updated
- 2026-11-02
EUVDEUVD-2016-6353 No score
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package before 3.1.23-16.el6_8.6 in Red Hat Enterprise Linux 6 allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-4051.
- Record
EUVD-2016-6353- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5f9j-8ghm-9gxx
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package...
Stack-based buffer overflow in the munge_other_line function in cachemgr.cgi in the squid package before 3.1.23-16.el6_8.6 in Red Hat Enterprise Linux 6 allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-4051.
- Record
GHSA-5f9j-8ghm-9gxx- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
OSVRHSA-2016:1573
Red Hat Security Advisory: squid security update
- Record
RHSA-2016:1573- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
squid3Debian:7 |
before 3.1.20-2.2+deb7u6, plus listed versions 3.1.20-2.23.1.20-2.2+deb7u13.1.20-2.2+deb7u23.1.20-2.2+deb7u33.1.20-2.2+deb7u43.1.20-2.2+deb7u5 |
3.1.20-2.2+deb7u6 |
squidRed Hat:enterprise_linux:6::server |
before 7:3.1.23-16.el6_8.6 | 7:3.1.23-16.el6_8.6 |
squid-debuginfoRed Hat:enterprise_linux:6::server |
before 7:3.1.23-16.el6_8.6 | 7:3.1.23-16.el6_8.6 |
squidRed Hat:enterprise_linux:6::workstation |
before 7:3.1.23-16.el6_8.6 | 7:3.1.23-16.el6_8.6 |
squid-debuginfoRed Hat:enterprise_linux:6::workstation |
before 7:3.1.23-16.el6_8.6 | 7:3.1.23-16.el6_8.6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-5408 is a critical vulnerability (CVSS 9.8) in Oracle Linux, published July 22, 2016. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.35%, the 91st percentile. Fixed in squid3 3.1.20-2.2+deb7u6.