Squid: Denial of service due internal error in string handling (SQUID-2010:3)
Published Sep 20, 2010
5.0
MEDIUMCVSS 2.0
EPSS 59.88%
Description
The string-comparison functions in String.cci in Squid 3.x before 3.1.8 and 3.2.x before 3.2.0.2 allow remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request.
Affected products
No data.
- 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
- 3.1.3
- 3.1.4
- 3.1.5
- 3.1.5.1
- 3.1.6
- 3.1.7
No data.
Red Hat Enterprise Linux 6
squid-7:3.1.10-1.el6
Fixed · RHSA-2011:0545
Red Hat Enterprise Linux 4
squid
Not affected
Red Hat Enterprise Linux 5
squid
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | squid-7:3.1.10-1.el6 | Fixed | RHSA-2011:0545 |
| Red Hat Enterprise Linux 4 | squid | Not affected | n/a |
| Red Hat Enterprise Linux 5 | squid | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the version of Squid as shipped with Red Hat Enterprise Linux 3, 4, or 5. It was corrected in Red Hat Enterprise Linux 6 via RHSA-2011:0545.
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 (24 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 59.88% (0.59883) | 99.11th | v5 (v2026.06.15) |
| Sep 8, 2026 | 59.88% (0.59883) | 99.07th | v5 (v2026.06.15) |
| Jun 15, 2026 | 64.24% (0.64243) | 99.13th | v5 (v2026.06.15) |
| Dec 28, 2025 | 72.51% (0.72511) | 98.71th | v4 (v2025.03.14) |
| Dec 27, 2025 | 69.95% (0.69950) | 98.62th | v4 (v2025.03.14) |
| Dec 14, 2025 | 72.51% (0.72511) | 98.70th | v4 (v2025.03.14) |
| Oct 28, 2025 | 74.70% (0.74702) | 98.79th | v4 (v2025.03.14) |
| Oct 27, 2025 | 72.34% (0.72344) | 98.70th | v4 (v2025.03.14) |
| Oct 1, 2025 | 74.70% (0.74702) | 98.82th | v4 (v2025.03.14) |
| Jul 30, 2025 | 72.34% (0.72344) | 98.69th | v4 (v2025.03.14) |
| Mar 17, 2025 | 79.50% (0.79499) | 99.03th | v4 (v2025.03.14) |
| Feb 6, 2025 | 92.48% (0.92485) | 99.24th | v3 (v2023.03.01) |
| Dec 17, 2024 | 93.55% (0.93552) | 99.32th | v3 (v2023.03.01) |
| Nov 21, 2023 | 95.65% (0.95650) | 99.24th | v3 (v2023.03.01) |
| Oct 7, 2023 | 95.47% (0.95469) | 99.15th | v3 (v2023.03.01) |
| Aug 19, 2023 | 95.34% (0.95345) | 99.07th | v3 (v2023.03.01) |
| May 11, 2023 | 95.65% (0.95650) | 99.06th | v3 (v2023.03.01) |
| Mar 21, 2023 | 93.98% (0.93976) | 98.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 94.72% (0.94718) | 98.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.78% (0.03779) | 85.48th | v2 (v2022.01.01) |
| Feb 13, 2023 | 3.78% (0.03779) | 85.08th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.69% (0.02686) | 82.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.78% (0.03779) | 84.01th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.78% (0.03779) | 67.21th | v2 (v2022.01.01) |
No CWE recorded.
References (18)
- http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047787.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2010-September/047820.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2010-10/msg00006.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/41298 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/41477 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/41534 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2010/dsa-2111 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2010/09/05/2 mailing-listx_refsource_MLISTPatch
- http://www.openwall.com/lists/oss-security/2010/09/07/7 mailing-listx_refsource_MLISTPatch
- http://www.securityfocus.com/bid/42982 vdb-entryx_refsource_BID
- http://www.squid-cache.org/Advisories/SQUID-2010_3.txt x_refsource_CONFIRMVendor Advisory
- http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9189.patch x_refsource_CONFIRMPatch
- http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10090.patch x_refsource_CONFIRMPatch
- http://www.vupen.com/english/advisories/2010/2433 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-3072 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=630444 x_refsource_CONFIRMPatchIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2010-3072
- https://www.cve.org/CVERecord?id=CVE-2010-3072
Change history (0)
No recorded changes yet.