CVE-2019-19722 is a NULL Pointer Dereference vulnerability affecting Dovecot versions prior to 2.3.9.2, including various Fedora distributions. An unauthenticated attacker can crash a push-notification driver by sending a specially crafted email with a group address as either the sender or recipient. This vulnerability has a CVSS score of 5.3 (Medium), indicating low attack complexity and no user interaction required, but only results in a denial of service (availability impact). There is currently no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.3.9.2CPE matchmatch criteria | cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
dovecot: null pointer dereference in push notification driver
Dec 13, 2019Critical vulnerability in Dovecot
Dec 13, 2019Critical vulnerability in Dovecot
Dec 13, 2019Critical vulnerability in Dovecot
Dec 13, 2019Critical vulnerability in Dovecot
Dec 13, 2019CVE-2019-19722: Critical vulnerability in Dovecot
Dec 13, 2019Critical vulnerability in Dovecot
Dec 13, 2019CVE-2019-19722: Critical vulnerability in Dovecot
Dec 13, 2019