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GoogleOSV:CVE-2020-35679

HistoryDec 24, 2020 - 4:15 p.m.

CVE-2020-35679

2020-12-2416:15:15

Google

osv.dev

opensmtpd

vulnerability

smtpd/table.c

memory leak

regex lookups

AI Score

6.5

Confidence

Low

EPSS

0.004

Percentile

72.0%

JSON

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.

References

github.com/openbsd/src/commit/79a034b4aed29e965f45a13409268290c9910043

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LKTFBQCHGMVPR4IZWHQIYAPM5J3LN3J/

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TYAYXRV2DM5K4RU7RHCDZSA2UF6VCTRC/

poolp.org/posts/2020-12-24/december-2020-opensmtpd-6.8.0p1-released-fixed-several-bugs-proposed-several-diffs-book-is-on-github/

security.gentoo.org/glsa/202105-12

www.mail-archive.com/misc%40opensmtpd.org/msg05188.html