squid: Buffer overflow vulnerability in cachemgr.cgi tool
Published Aug 10, 2016
9.8
CRITICALCVSS 3.0
EPSS 4.35%
Description
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.
Affected products
No data.
Configuration 2
- 6.0
- 6.0
No data.
Red Hat Enterprise Linux 6
squid-7:3.1.23-16.el6_8.6
Fixed · RHSA-2016:1573
Red Hat Enterprise Linux 5
squid
Not affected
Red Hat Enterprise Linux 6
squid34
Not affected
Red Hat Enterprise Linux 7
squid
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | squid-7:3.1.23-16.el6_8.6 | Fixed | RHSA-2016:1573 |
| Red Hat Enterprise Linux 5 | squid | Not affected | n/a |
| Red Hat Enterprise Linux 6 | squid34 | Not affected | n/a |
| Red Hat Enterprise Linux 7 | squid | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.35% (0.04352) | 90.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.27% (0.04269) | 89.77th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.37% (0.05371) | 89.12th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.86% (0.19865) | 92.59th | v4 (v2025.03.14) |
| Mar 19, 2025 | 5.37% (0.05371) | 88.85th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.30% (0.04300) | 88.12th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.52% (0.00517) | 76.57th | v3 (v2023.03.01) |
| Jun 14, 2024 | 1.66% (0.01663) | 87.67th | v3 (v2023.03.01) |
| Mar 14, 2023 | 1.66% (0.01663) | 85.67th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.36% (0.01362) | 84.12th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02166) | 80.16th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02166) | 78.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02166) | 57.01th | v2 (v2022.01.01) |
References (6)
- http://rhn.redhat.com/errata/RHSA-2016-1573.html vendor-advisoryx_refsource_REDHATPatchVendor Advisory
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html x_refsource_CONFIRMThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2016-5408 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1359203 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2016-5408
- https://www.cve.org/CVERecord?id=CVE-2016-5408
| Link | Providers | Tags |
|---|---|---|
| http://rhn.redhat.com/errata/RHSA-2016-1573.html | vendor-advisoryx_refsource_REDHATPatchVendor Advisory | |
| http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html | x_refsource_CONFIRMThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2016-5408 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1359203 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2016-5408 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-5408 |
Change history (0)
No recorded changes yet.