squid: cachemgr.cgi memory usage DoS and memory leaks
Published Dec 20, 2012
5.0
MEDIUMCVSS 2.0
EPSS 23.00%
Description
Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before 3.3.0.2 allow remote attackers to cause a denial of service (memory consumption) via (1) invalid Content-Length headers, (2) long POST requests, or (3) crafted authentication credentials.
Affected products
No data.
Configuration 1
- 2.0
- 2.1
- 2.2
- 2.3
- 2.4
- 2.5
- 2.6
- 2.7
- 2.7
- 2.7
Configuration 2
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0
- 3.0.stable1
- 3.0.stable2
- 3.0.stable3
- 3.0.stable4
- 3.0.stable5
- 3.0.stable6
- 3.0.stable7
- 3.0.stable8
- 3.0.stable9
- 3.0.stable10
- 3.0.stable11
- 3.0.stable11
- 3.0.stable12
- 3.0.stable13
- 3.0.stable14
- 3.0.stable15
- 3.0.stable16
- 3.0.stable16
- 3.0.stable17
- 3.0.stable18
- 3.0.stable19
- 3.0.stable20
- 3.0.stable21
- 3.0.stable22
- 3.0.stable23
- 3.0.stable24
- 3.0.stable25
- 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
- 3.1.10
- 3.1.11
- 3.1.12
- 3.1.13
- 3.1.14
- 3.1.15
- 3.1.16
- 3.1.17
- 3.1.18
- 3.1.19
- 3.1.20
- 3.1.21
Configuration 3
- 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
Configuration 4
- 3.3.0.1
No data.
Red Hat Enterprise Linux 6
squid-7:3.1.10-16.el6
Fixed · RHSA-2013:0505
Red Hat Enterprise Linux 5
squid
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | squid-7:3.1.10-16.el6 | Fixed | RHSA-2013:0505 |
| Red Hat Enterprise Linux 5 | squid | Will not fix | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Enterprise Linux 5 is now in Production 3 Phase of the support and maintenance life cycle. This has been rated as having Moderate security impact and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.
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 (22 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 23.00% (0.23005) | 97.69th | v5 (v2026.06.15) |
| Jun 15, 2026 | 23.18% (0.23180) | 97.48th | v5 (v2026.06.15) |
| Mar 4, 2026 | 33.16% (0.33163) | 96.81th | v4 (v2025.03.14) |
| Feb 18, 2026 | 36.61% (0.36610) | 97.03th | v4 (v2025.03.14) |
| Dec 28, 2025 | 35.41% (0.35413) | 96.90th | v4 (v2025.03.14) |
| Dec 27, 2025 | 42.68% (0.42678) | 97.36th | v4 (v2025.03.14) |
| Oct 28, 2025 | 35.41% (0.35413) | 96.85th | v4 (v2025.03.14) |
| Oct 27, 2025 | 42.68% (0.42678) | 97.32th | v4 (v2025.03.14) |
| Oct 1, 2025 | 35.41% (0.35413) | 96.94th | v4 (v2025.03.14) |
| Aug 20, 2025 | 42.68% (0.42678) | 97.37th | v4 (v2025.03.14) |
| Jul 30, 2025 | 40.34% (0.40336) | 97.22th | v4 (v2025.03.14) |
| Mar 30, 2025 | 39.33% (0.39326) | 97.00th | v4 (v2025.03.14) |
| Mar 29, 2025 | 53.98% (0.53979) | 97.10th | v4 (v2025.03.14) |
| Mar 17, 2025 | 39.33% (0.39326) | 96.95th | v4 (v2025.03.14) |
| Dec 17, 2024 | 93.59% (0.93587) | 99.32th | v3 (v2023.03.01) |
| Jan 14, 2024 | 96.36% (0.96362) | 99.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.54% (0.96538) | 99.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Feb 13, 2023 | 4.36% (0.04358) | 87.63th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (23)
- 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/2013-01/msg00052.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-01/msg00075.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html vendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html vendor-advisoryx_refsource_SUSE
- http://openwall.com/lists/oss-security/2012/12/17/4 mailing-listx_refsource_MLIST
- http://rhn.redhat.com/errata/RHSA-2013-0505.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/52024 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/54839 third-party-advisoryx_refsource_SECUNIA
- http://ubuntu.com/usn/usn-1713-1 vendor-advisoryx_refsource_UBUNTU
- http://www.debian.org/security/2013/dsa-2631 vendor-advisoryx_refsource_DEBIAN
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:129 vendor-advisoryx_refsource_MANDRIVA
- http://www.securitytracker.com/id?1027890 vdb-entryx_refsource_SECTRACK
- http://www.squid-cache.org/Advisories/SQUID-2012_1.txt x_refsource_CONFIRMPatchVendor Advisory
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10479.patch x_refsource_CONFIRMPatch
- http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11714.patch x_refsource_CONFIRMPatch
- https://access.redhat.com/security/cve/CVE-2012-5643 Vendor Advisory
- https://bugs.gentoo.org/show_bug.cgi?id=447596 x_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=887962 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2012-5643
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0368 x_refsource_CONFIRM
- https://www.cve.org/CVERecord?id=CVE-2012-5643
Change history (0)
No recorded changes yet.