CVE-2011-2207

MEDIUMNVD 5.35.3—

5.3

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.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 81.1%
KEV: Not listed

Published

November 27, 2019

Last Modified

November 21, 2024

References (10)

secalert@redhathttps://access.redhat.com/security/cve/cve-2011-2207
secalert@redhathttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627377
secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2207
secalert@redhathttps://security-tracker.debian.org/tracker/CVE-2011-2207
secalert@redhathttps://www.openwall.com/lists/oss-security/2011/06/15/6
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/cve-2011-2207
af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=627377
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2207
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2011-2207
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2011/06/15/6

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-295Improper Certificate Validation

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
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2026-05-31 00:14 UTCepss_batch
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2026-05-29 13:41 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
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2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 11:04 UTCEG score recompute
2026-05-27 11:04 UTCGHSA enrichment
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(5)

What is CVE-2011-2207?

CVE-2011-2207 is a medium vulnerability published on November 27, 2019. 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.

When was CVE-2011-2207 disclosed?

CVE-2011-2207 was first published in the National Vulnerability Database on November 27, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-2207 actively exploited?

CVE-2011-2207 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2011-2207?

CVE-2011-2207 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2011-2207?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-2207, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2011-2207

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2011-2207?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(5)

Related CVEs(same CWE)