squid: denial of service when using SSL-Bump
Published Apr 14, 2014
5.0
MEDIUMCVSS 2.0
EPSS 32.86%
Description
Squid 3.1 before 3.3.12 and 3.4 before 3.4.4, when SSL-Bump is enabled, allows remote attackers to cause a denial of service (assertion failure) via a crafted range request, related to state management.
Affected products
No data.
Configuration 1
- 3.1
- 3.1.0.1
- 3.1.0.2
- 3.1.0.3
- 3.1.0.4
- 3.1.0.5
- 3.1.0.6
- 3.1.0.7
- 3.1.0.8
- 3.1.0.9
- 3.1.0.10
- 3.1.0.11
- 3.1.0.12
- 3.1.0.13
- 3.1.0.14
- 3.1.0.15
- 3.1.0.16
- 3.1.0.17
- 3.1.0.18
- 3.1.1
- 3.1.2
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.5.1
- 3.1.6
- 3.1.7
- 3.1.8
- 3.1.9
- 3.1.10
- 3.1.11
- 3.1.12
- 3.1.13
- 3.1.14
- 3.1.15
- 3.2.0.1
- 3.2.0.2
- 3.2.0.3
- 3.2.0.4
- 3.2.0.5
- 3.2.0.6
- 3.2.0.7
- 3.2.0.8
- 3.2.0.9
- 3.2.0.10
- 3.2.0.11
- 3.2.0.12
- 3.2.0.13
- 3.2.0.14
- 3.2.0.15
- 3.2.0.16
- 3.2.0.17
- 3.2.0.18
- 3.2.0.19
- 3.2.1
- 3.2.2
- 3.2.3
- 3.2.4
- 3.2.5
- 3.2.6
- 3.2.7
- 3.2.8
- 3.2.9
- 3.2.10
- 3.2.11
- 3.2.12
- 3.3.0
- 3.3.0.2
- 3.3.0.3
- 3.3.1
- 3.3.2
- 3.3.3
- 3.3.4
- 3.3.5
- 3.3.6
- 3.3.7
- 3.3.8
- 3.3.9
- 3.3.10
- 3.3.11
- 3.4.0.1
- 3.4.0.2
- 3.4.0.3
- 3.4.1
- 3.4.2
- 3.4.3
No data.
Red Hat Enterprise Linux 6
squid-7:3.1.10-20.el6_5.3
Fixed · RHSA-2014:0597
Red Hat Enterprise Linux 5
squid
Not affected
Red Hat Enterprise Linux 7
squid
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | squid-7:3.1.10-20.el6_5.3 | Fixed | RHSA-2014:0597 |
| Red Hat Enterprise Linux 5 | squid | Not affected | n/a |
| Red Hat Enterprise Linux 7 | squid | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of squid as shipped with Red Hat Enterprise Linux 5 as they did not include support for SSL-bump.
Red Hat mitigation
To work-around this issue, disable SSL-bump for clients affected by adding "ssl_bump none" rule(s) at the top of the ssl_bump configuration directives. Alternatively, disable the SSL-bump feature completely by removing the "ssl-bump" option from all http_port and/or https_port configuration directives.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/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 (19 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 32.86% (0.32862) | 98.31th | v5 (v2026.06.15) |
| Jun 15, 2026 | 32.63% (0.32630) | 98.11th | v5 (v2026.06.15) |
| Dec 28, 2025 | 54.97% (0.54968) | 97.94th | v4 (v2025.03.14) |
| Dec 27, 2025 | 42.71% (0.42714) | 97.36th | v4 (v2025.03.14) |
| Oct 28, 2025 | 54.97% (0.54968) | 97.91th | v4 (v2025.03.14) |
| Oct 27, 2025 | 42.71% (0.42714) | 97.32th | v4 (v2025.03.14) |
| Oct 1, 2025 | 54.97% (0.54968) | 97.99th | v4 (v2025.03.14) |
| Jul 30, 2025 | 42.71% (0.42714) | 97.35th | v4 (v2025.03.14) |
| Mar 30, 2025 | 54.97% (0.54968) | 97.84th | v4 (v2025.03.14) |
| Mar 29, 2025 | 59.09% (0.59085) | 97.45th | v4 (v2025.03.14) |
| Mar 17, 2025 | 54.97% (0.54968) | 97.80th | v4 (v2025.03.14) |
| Dec 17, 2024 | 18.20% (0.18195) | 96.17th | v3 (v2023.03.01) |
| Apr 12, 2024 | 15.63% (0.15625) | 95.82th | v3 (v2023.03.01) |
| Nov 25, 2023 | 11.67% (0.11670) | 94.72th | v3 (v2023.03.01) |
| Oct 9, 2023 | 12.98% (0.12982) | 94.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 12.91% (0.12908) | 94.56th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2014-04/msg00030.html vendor-advisoryx_refsource_SUSEVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2014-04/msg00060.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/57288 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/57889 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html x_refsource_CONFIRM
- http://www.securityfocus.com/bid/66112 vdb-entryx_refsource_BID
- http://www.squid-cache.org/Advisories/SQUID-2014_1.txt x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2014-0128 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1074870 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2014-0128
- https://www.cve.org/CVERecord?id=CVE-2014-0128
Change history (0)
No recorded changes yet.