CVE-2020-35679

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Summary

CVECVE-2020-35679
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-24 16:15:00 UTC
Updated2023-11-07 03:22:00 UTC
Descriptionsmtpd/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.

Risk And Classification

Problem Types: CWE-401

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Application Opensmtpd Opensmtpd All All All All
Application Opensmtpd Opensmtpd 6.8.0 - All All
Application Opensmtpd Opensmtpd 6.8.0 patch1-rc1 All All
Application Opensmtpd Opensmtpd All All All All
Application Opensmtpd Opensmtpd 6.8.0 - All All
Application Opensmtpd Opensmtpd 6.8.0 patch1-rc1 All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 32 Update: opensmtpd-6.8.0p2-1.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Use regfree after we're done with preg. · openbsd/src@79a034b · GitHub MISC github.com Patch, Third Party Advisory
[SECURITY] Fedora 33 Update: opensmtpd-6.8.0p2-1.fc33 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
[SECURITY] Fedora 33 Update: opensmtpd-6.8.0p2-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
OpenSMTPD: Multiple vulnerabilities (GLSA 202105-12) — Gentoo security GENTOO security.gentoo.org
December 2020: OpenSMTPD 6.8.0p1 released, fixed several bugs, proposed several diffs, book is on Github - poolp.org MISC poolp.org Third Party Advisory
Announce: OpenSMTPD 6.8.0p1 released MISC www.mail-archive.com Release Notes, Third Party Advisory
[SECURITY] Fedora 32 Update: opensmtpd-6.8.0p2-1.fc32 - package-announce - Fedora Mailing-Lists lists.fedoraproject.org
Announce: OpenSMTPD 6.8.0p1 released www.mail-archive.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 500483 Alpine Linux Security Update for opensmtpd
  • 501462 Alpine Linux Security Update for opensmtpd
  • 710103 Gentoo Linux OpenSMTPD Multiple vulnerabilities (GLSA 202105-12)
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