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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-7323 Detail

Description

Memory safety bugs present in Thunderbird ESR 140.10.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, Thunderbird 150.0.1, and Thunderbird 140.10.1.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://bugzilla.mozilla.org/buglist.cgi?bug_id=2028537%2C2029911%2C2031121%2C2033602 Mozilla Corporation Broken Link 
https://www.mozilla.org/security/advisories/mfsa2026-35/ Mozilla Corporation Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2026-36/ Mozilla Corporation Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2026-38/ Mozilla Corporation Vendor Advisory 
https://www.mozilla.org/security/advisories/mfsa2026-39/ Mozilla Corporation Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer CISA-ADP  
CWE-787 Out-of-bounds Write CISA-ADP  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

5 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-7323
NVD Published Date:
04/28/2026
NVD Last Modified:
04/30/2026
Source:
Mozilla Corporation