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Vulnerability Analysis Result (Revision No : 1) [ Download XML
JVNDB-2026-012443     ( CVE-2026-6754 | CVE-2026-6754 )
Mozilla FoundationのMozilla Firefox等の複数製品における解放済みメモリの使用に関する脆弱性
https://jvndb.jvn.jp/ja/contents/2026/JVNDB-2026-012443.html

Original

JavaScriptエンジンコンポーネントに存在するUse-after-freeの脆弱性です。この脆弱性はFirefox 150、Firefox ESR 115.35、Firefox ESR 140.10、Thunderbird 150、およびThunderbird 140.10で修正されました。

Translation   (Show)





About This Analysis Information
Analysis Information Provider:
JVN iPedia
First Published:
2026-04-24
Source Information Category:
Advisory, Alert
Last Updated:
2026-04-24




Affected Product Tags
cpe:/a:mozilla:firefox
cpe:/a:mozilla:thunderbird
 


Vulnerability Analysis Results
[Access Vector]  [?]
Undefined [?]

Local [?]
Adjacent Network [?]
Network [?]

[Access Complexit]  [?]
Undefined [?]

High [?]
Medium [?]
Low [?]

[Authentication]  [?]
Undefined [?]

Multiple [?]
Single [?]
None [?]

[Confidentiality Impact]  [?]
Undefined [?]

None [?]
Partial [?]
Complete [?]

[Integrity Impact]  [?]
Undefined [?]

None [?]
Partial [?]
Complete [?]

[Availability Impact]  [?]
Undefined [?]

None [?]
Partial [?]
Complete [?]

Alternatives
Common Vulnerabilities and Exposures (CVE) CVE-2026-6754




National Vulnerability Database (NVD) CVE-2026-6754








References
JVNDB CWE-416 解放済みメモリの使用




Mozilla Foundation Security Advisory Security Vulnerabilities fixed in Firefox ESR 115.35 — Mozilla




Mozilla Foundation Security Advisory Security Vulnerabilities fixed in Firefox ESR 140.10 — Mozilla




Mozilla Foundation Security Advisory Security Vulnerabilities fixed in Thunderbird 150 — Mozilla




Mozilla Foundation Security Advisory Security Vulnerabilities fixed in Thunderbird 140.10 — Mozilla




Mozilla Foundation Security Advisory Security Vulnerabilities fixed in Firefox 150 — Mozilla





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