MEDIUM
squid: DoS in cache updates
Published Dec 4, 2007
5.0
MEDIUMCVSS 2.0
EPSS 26.66%
Description
The "cache update reply processing" functionality in Squid 2.x before 2.6.STABLE17 and Squid 3.0 allows remote attackers to cause a denial of service (crash) via unknown vectors related to HTTP headers and an Array memory leak during requests for cached objects.
Affected products
No data.
OR
- 2.0_patch2
- 2.1_patch2
- 2.3.stable4
- 2.3.stable5
- 2.4_stable2
- 2.4_stable4
- 2.4_stable6
- 2.4_stable7
- 2.5.stable11
- 2.5.stable12
- 2.5.stable13
- 2.5.stable14
- 2.5_.stable9
- 2.5_stable1
- 2.5_stable3
- 2.5_stable4
- 2.5_stable5
- 2.5_stable6
- 2.5_stable7
- 2.5_stable8
- 2.5_stable10
- 2.6
- 2.6.stable1
- 2.6.stable2
- 2.6.stable3
- 2.6.stable4
- 2.6.stable5
- 2.6.stable6
- 2.6.stable7
- 2.6.stable12
- 2.6.stable13
- 2.6.stable14
- 2.6.stable15
- 2.6.stable16
- 3.0
- 3.0_pre1
- 3.0_pre2
- 3.0_pre3
No data.
Red Hat Enterprise Linux 2.1
squid-7:2.4.STABLE7-1.21as.11
Fixed · RHSA-2007:1130
Red Hat Enterprise Linux 3
squid-7:2.5.STABLE3-8.3E
Fixed · RHSA-2007:1130
Red Hat Enterprise Linux 4
squid-7:2.5.STABLE14-1.4E.el4_6.1
Fixed · RHSA-2007:1130
Red Hat Enterprise Linux 5
squid-7:2.6.STABLE6-5.el5_1.2
Fixed · RHSA-2007:1130
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 2.1 | squid-7:2.4.STABLE7-1.21as.11 | Fixed | RHSA-2007:1130 |
| Red Hat Enterprise Linux 3 | squid-7:2.5.STABLE3-8.3E | Fixed | RHSA-2007:1130 |
| Red Hat Enterprise Linux 4 | squid-7:2.5.STABLE14-1.4E.el4_6.1 | Fixed | RHSA-2007:1130 |
| Red Hat Enterprise Linux 5 | squid-7:2.6.STABLE6-5.el5_1.2 | Fixed | RHSA-2007:1130 |
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.
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
26.66% 0.26659
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.26659
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 (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 26.66% (0.26659) | 97.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 26.86% (0.26858) | 97.77th | v5 (v2026.06.15) |
| Dec 1, 2025 | 9.00% (0.08998) | 92.33th | v4 (v2025.03.14) |
| Mar 30, 2025 | 14.35% (0.14348) | 93.82th | v4 (v2025.03.14) |
| Mar 29, 2025 | 17.41% (0.17411) | 91.83th | v4 (v2025.03.14) |
| Mar 19, 2025 | 14.35% (0.14348) | 93.59th | v4 (v2025.03.14) |
| Mar 17, 2025 | 12.89% (0.12889) | 93.49th | v4 (v2025.03.14) |
| Dec 17, 2024 | 33.21% (0.33212) | 97.06th | v3 (v2023.03.01) |
| Nov 14, 2024 | 42.32% (0.42318) | 97.43th | v3 (v2023.03.01) |
| Oct 7, 2024 | 33.32% (0.33322) | 97.13th | v3 (v2023.03.01) |
| Aug 30, 2024 | 22.11% (0.22106) | 96.57th | v3 (v2023.03.01) |
| Mar 7, 2023 | 17.95% (0.17949) | 95.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | 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) |
Weaknesses (1)
References (30)
- http://bugs.gentoo.org/show_bug.cgi?id=201209 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00002.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/27910 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/28091 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28109 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28350 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28381 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28403 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28412 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/28814 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/34467 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://security.gentoo.org/glsa/glsa-200801-05.xml vendor-advisoryx_refsource_GENTOO
- http://security.gentoo.org/glsa/glsa-200903-38.xml vendor-advisoryx_refsource_GENTOO
- http://www.debian.org/security/2008/dsa-1482 vendor-advisoryx_refsource_DEBIANPatch
- http://www.kb.cert.org/vuls/id/232881 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:002 vendor-advisoryx_refsource_MANDRIVA
- http://www.redhat.com/support/errata/RHSA-2007-1130.html vendor-advisoryx_refsource_REDHATPatch
- http://www.securityfocus.com/bid/26687 vdb-entryx_refsource_BIDPatch
- http://www.securitytracker.com/id?1019036 vdb-entryx_refsource_SECTRACK
- http://www.squid-cache.org/Advisories/SQUID-2007_2.txt x_refsource_CONFIRMPatchVendor Advisory
- http://www.squid-cache.org/Versions/v2/2.6/changesets/11780.patch x_refsource_CONFIRMExploitVendor Advisory
- http://www.ubuntu.com/usn/usn-565-1 vendor-advisoryx_refsource_UBUNTU
- http://www.vupen.com/english/advisories/2007/4066 vdb-entryx_refsource_VUPENVendor Advisory
- https://access.redhat.com/security/cve/CVE-2007-6239 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=410181 x_refsource_CONFIRMIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2007-6239
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10915 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-6239
- https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00497.html vendor-advisoryx_refsource_FEDORA
- https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00507.html vendor-advisoryx_refsource_FEDORA
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Dec 4, 2007
Updated Aug 7, 2024
Reserved Dec 4, 2007
Link CVE-2007-6239
CISA Vulnrichment
Updated n/a