UpHeron
All vulnerabilities

Servers and applications

CVE-2020-10958

In Dovecot before 2.3.10.1, a crafted SMTP/LMTP message triggers an unauthenticated use-after-free bug in submission-login, submission, or lmtp, and can lead to a crash under circumstances involving many newlines after a command.

Severity
Medium 5.3
Published
18 May 2020
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.3.10.1
Sources
NVD

Affected software

SoftwareAffected versions
DovecotServers and applications · cpe:a:dovecot:dovecot
  • Every version before 2.3.10.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-10958
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-10958