In Dovecot before 2.3.9.2, an attacker can crash a push-notification driver with a crafted email when push notifications are used, because of a NULL Pointer Dereference. The email must use a group address as either the sender or the recipient.
CVE-2019-19722
Score 5.3 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 5.3; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EG Risk
- 29(Track)EG Risk 29/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity53% × 45%Exploitation2% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 82.9%
- KEV
- Not listed
Published
December 13, 2019
Last Modified
November 21, 2024
References (12)
- cve@mitrehttp://www.openwall.com/lists/oss-security/2019/12/13/3
- cve@mitrehttps://dovecot.org/list/dovecot-news/2019-December/000428.html
- cve@mitrehttps://dovecot.org/pipermail/dovecot-news/2019-December/000428.html
- cve@mitrehttps://dovecot.org/security.html
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2019/12/13/3
- af854a3a-2127-422b-91ae-364da2661108https://dovecot.org/list/dovecot-news/2019-December/000428.html
- af854a3a-2127-422b-91ae-364da2661108https://dovecot.org/pipermail/dovecot-news/2019-December/000428.html
- af854a3a-2127-422b-91ae-364da2661108https://dovecot.org/security.html
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OZCJ3RBA4WIYGN7SOV4TW2AIHXPZATK/
- af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6PPB7PG5BM3MC5ZF2KHQ3UR7CZIO42BB/
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 16× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-24 14:14 UTCEPSS rescore
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- 2026-05-27 10:28 UTCEG score recompute
- 2026-05-27 10:28 UTCGHSA enrichment
- 2026-05-26 13:42 UTCEPSS rescore
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Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2019-19722?
When was CVE-2019-19722 disclosed?
Is CVE-2019-19722 actively exploited?
What is the CVSS score of CVE-2019-19722?
How do I remediate CVE-2019-19722?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2019-19722
Is Your Infrastructure Affected by CVE-2019-19722?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.