(mod_dav_svn): DoS (excessive memory use) when configured to provide path-based access control
Published Jun 6, 2011
4.3
MEDIUMCVSS 2.0
EPSS 6.74%
Description
The mod_dav_svn module for the Apache HTTP Server, as distributed in Apache Subversion 1.5.x and 1.6.x before 1.6.17, when the SVNPathAuthz short_circuit option is enabled, allows remote attackers to cause a denial of service (infinite loop and memory consumption) in opportunistic circumstances by requesting data.
Affected products
No data.
Configuration 1
- ≥ 1.5.0 · ≤ 1.5.8
- ≥ 1.6.0 · < 1.6.17
Configuration 2
- 10.04
- 10.10
- 11.04
Configuration 3
- 5.0
- 6.0
Configuration 4
- 14
- 15
No data.
Red Hat Enterprise Linux 5
subversion-0:1.6.11-7.el5_6.4
Fixed · RHSA-2011:0862
Red Hat Enterprise Linux 6
subversion-0:1.6.11-2.el6_1.4
Fixed · RHSA-2011:0862
Red Hat Enterprise Linux 4
subversion
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | subversion-0:1.6.11-7.el5_6.4 | Fixed | RHSA-2011:0862 |
| Red Hat Enterprise Linux 6 | subversion-0:1.6.11-2.el6_1.4 | Fixed | RHSA-2011:0862 |
| Red Hat Enterprise Linux 4 | subversion | 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.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 6.74% (0.06742) | 93.75th | v5 (v2026.06.15) |
| Jun 15, 2026 | 6.74% (0.06742) | 93.10th | v5 (v2026.06.15) |
| Dec 28, 2025 | 11.09% (0.11093) | 93.22th | v4 (v2025.03.14) |
| Dec 27, 2025 | 10.01% (0.10011) | 92.85th | v4 (v2025.03.14) |
| Dec 7, 2025 | 11.09% (0.11093) | 93.17th | v4 (v2025.03.14) |
| Oct 28, 2025 | 6.70% (0.06704) | 90.83th | v4 (v2025.03.14) |
| Oct 27, 2025 | 5.22% (0.05216) | 89.49th | v4 (v2025.03.14) |
| Oct 1, 2025 | 6.70% (0.06704) | 90.92th | v4 (v2025.03.14) |
| Jul 30, 2025 | 5.22% (0.05216) | 89.55th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.92% (0.06918) | 90.52th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.79% (0.09790) | 88.17th | v4 (v2025.03.14) |
| Mar 17, 2025 | 6.19% (0.06188) | 90.15th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.71% (0.00715) | 81.17th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.71% (0.00715) | 79.90th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.71% (0.00715) | 77.46th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.34% (0.07344) | 92.59th | v2 (v2022.01.01) |
| Feb 13, 2023 | 7.34% (0.07344) | 92.29th | v2 (v2022.01.01) |
| Feb 3, 2023 | 5.24% (0.05242) | 89.44th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.34% (0.07344) | 91.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.34% (0.07344) | 80.64th | v2 (v2022.01.01) |
No CWE recorded.
References (22)
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-July/062211.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061913.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://secunia.com/advisories/44633 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/44681 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/44849 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/44888 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://secunia.com/advisories/45162 third-party-advisoryx_refsource_SECUNIAThird Party Advisory
- http://subversion.apache.org/security/CVE-2011-1783-advisory.txt x_refsource_CONFIRMVendor Advisory
- http://support.apple.com/kb/HT5130 x_refsource_CONFIRMThird Party Advisory
- http://svn.apache.org/repos/asf/subversion/tags/1.6.17/CHANGES x_refsource_CONFIRMRelease NotesVendor Advisory
- http://www.debian.org/security/2011/dsa-2251 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:106 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2011-0862.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/bid/48091 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1025618 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- http://www.ubuntu.com/usn/USN-1144-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2011-1783 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=709112 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-1783
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18889 vdb-entrysignaturex_refsource_OVALThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2011-1783
Change history (0)
No recorded changes yet.