CVE-2023-0547

Summary

CVECVE-2023-0547
StatePUBLISHED
Assignermozilla
Source PriorityCVE Program / NVD first with legacy fallback
Published2023-06-02 17:15:10 UTC
Updated2026-10-23 23:10:00 UTC
DescriptionOCSP revocation status of recipient certificates was not checked when sending S/Mime encrypted email, and revoked certificates would be accepted. Thunderbird versions from 68 to 102.9.1 were affected by this bug. This vulnerability affects Thunderbird < 102.10.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS: 0.003720000 probability, percentile 0.299950000 (date 2026-10-23)

Problem Types: CWE-295 | Revocation status of S/Mime recipient certificates was not checked | CWE-295 CWE-295 Improper Certificate Validation


VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
3.1ADPDECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Mozilla Thunderbird All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mozilla Thunderbird affected unspecified 102.10 custom Not specified

References

ReferenceSourceLinkTags
Access Denied af854a3a-2127-422b-91ae-364da2661108 bugzilla.mozilla.org Issue Tracking, Permissions Required, Vendor Advisory
Security Vulnerabilities fixed in Thunderbird 102.10 — Mozilla af854a3a-2127-422b-91ae-364da2661108 www.mozilla.org Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 160550 Oracle Enterprise Linux Security Update for thunderbird (ELSA-2023-1802)
  • 160552 Oracle Enterprise Linux Security Update for thunderbird (ELSA-2023-1806)
  • 160555 Oracle Enterprise Linux Security Update for thunderbird (ELSA-2023-1809)
  • 181749 Debian Security Update for thunderbird (DSA 5392-1)
  • 181752 Debian Security Update for thunderbird (DLA 3400-1)
  • 182808 Debian Security Update for thunderbird (CVE-2023-0547)
  • 199283 Ubuntu Security Notification for Thunderbird Vulnerabilities (USN-6015-1)
  • 241350 Red Hat Update for thunderbird (RHSA-2023:1802)
  • 241351 Red Hat Update for thunderbird (RHSA-2023:1811)
  • 241352 Red Hat Update for thunderbird (RHSA-2023:1810)
  • 241353 Red Hat Update for thunderbird (RHSA-2023:1804)
  • 241354 Red Hat Update for thunderbird (RHSA-2023:1806)
  • 241355 Red Hat Update for thunderbird (RHSA-2023:1809)
  • 241621 Red Hat Update for thunderbird (RHSA-2023:1803)
  • 241645 Red Hat Update for thunderbird (RHSA-2023:1805)
  • 257235 CentOS Security Update for thunderbird (CESA-2023:1806)
  • 354912 Amazon Linux Security Advisory for thunderbird : ALAS2-2023-2028
  • 378387 Mozilla Thunderbird Multiple Vulnerabilities (MFSA2023-15)
  • 940981 AlmaLinux Security Update for thunderbird (ALSA-2023:1802)
  • 940986 AlmaLinux Security Update for thunderbird (ALSA-2023:1809)
  • 960919 Rocky Linux Security Update for thunderbird (RLSA-2023:1809)
  • 960920 Rocky Linux Security Update for thunderbird (RLSA-2023:1802)

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