CVE-2020-25275

Description

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 6.85% Top 10%
Vendor Advisory debian.org Vendor Advisory gentoo.org Vendor Advisory fedoraproject.org Vendor Advisory dovecot.org Vendor Advisory dovecot.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://dovecot.org/security vendor advisory
http://www.openwall.com/lists/oss-security/2021/01/04/3 third party advisory mailing list
https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html mailing list vendor advisory
https://www.debian.org/security/2021/dsa-4825 third party advisory vendor advisory
http://seclists.org/fulldisclosure/2021/Jan/18 third party advisory mailing list
http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html vdb entry third party advisory
https://security.gentoo.org/glsa/202101-01 third party advisory vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-25275?
CVE-2020-25275 has been scored as a high severity vulnerability.
How to fix CVE-2020-25275?
To fix CVE-2020-25275, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-25275 being actively exploited in the wild?
It is possible that CVE-2020-25275 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~7% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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