CVE-2020-35679

Name
CVE-2020-35679
Description
smtpd/table.c in OpenSMTPD before 6.8.0p1 lacks a certain regfree, which might allow attackers to trigger a "very significant" memory leak via messages to an instance that performs many regex lookups.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Patch https://github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043
Release Notes https://www.mail-archive.com/misc@opensmtpd.org/msg05188.html
Third Party Advisory https://poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/
GENTOO https://security.gentoo.org/glsa/202105-12

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:opensmtpd:opensmtpd:*:*:*:*:*:*:*:* opensmtpd >= None < 6.8.0

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
opensmtpd 3.10-main 6.0.3p1-r3 Jonathan Curran <jonathan@curran.in> possibly vulnerable
opensmtpd 3.12-main 6.6.4p1-r2 Jakub Jirutka <jakub@jirutka.cz> fixed
opensmtpd 3.11-main 6.6.4p1-r1 Jakub Jirutka <jakub@jirutka.cz> fixed
opensmtpd 3.13-main 6.7.1p1-r4 Jakub Jirutka <jakub@jirutka.cz> fixed