dirmngr: Improper dealing with blocking system calls, when verifying a certificate
Published Nov 27, 2019
5.3
MEDIUMCVSS 3.1
EPSS 1.20%
Description
dirmngr before 2.1.0 improperly handles certain system calls, which allows remote attackers to cause a denial of service (DOS) via a specially-crafted certificate.
Affected products
-
- Version 1.1.0StatusaffectedConstraints-
- Version fixed in 2.1.0StatusaffectedConstraints-
- Version
Configuration 2
- 6.0
Configuration 3
- 8.0
No data.
Red Hat Enterprise Linux 6
dirmngr
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | dirmngr | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Red Hat Product Security determined that this flaw was not a security vulnerability. See the Bugzilla link for more details.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.20% (0.01203) | 67.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.20% (0.01203) | 64.14th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.44% (0.01445) | 79.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.12% (0.01121) | 85.26th | v3 (v2023.03.01) |
| May 4, 2024 | 1.33% (0.01333) | 85.95th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.33% (0.01333) | 83.94th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (9)
- https://access.redhat.com/security/cve/CVE-2011-2207 Vendor Advisory
- https://access.redhat.com/security/cve/cve-2011-2207 x_refsource_MISCThird Party Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627377 x_refsource_MISCThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=710529 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2207 x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2011-2207
- https://security-tracker.debian.org/tracker/CVE-2011-2207 x_refsource_MISCThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2011-2207
- https://www.openwall.com/lists/oss-security/2011/06/15/6 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2011-2207 | Vendor Advisory | |
| https://access.redhat.com/security/cve/cve-2011-2207 | x_refsource_MISCThird Party Advisory | |
| https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627377 | x_refsource_MISCThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=710529 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2207 | x_refsource_MISCExploitIssue TrackingPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2011-2207 | ||
| https://security-tracker.debian.org/tracker/CVE-2011-2207 | x_refsource_MISCThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2011-2207 | ||
| https://www.openwall.com/lists/oss-security/2011/06/15/6 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory |
Change history (0)
No recorded changes yet.