CVE-2026-12328 (GCVE-0-2026-12328)

Vulnerability from cvelistv5 – Published: 2026-06-16 11:53 – Updated: 2026-06-30 12:05
VLAI?
Title
Memory safety bugs fixed in Firefox ESR 115.37, Firefox ESR 140.12, Thunderbird ESR 140.12, Firefox 152 and Thunderbird 152
Summary
Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151. 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 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and Thunderbird 140.12.
CWE
  • CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Assigner
Impacted products
Vendor Product Version
Mozilla Firefox Unaffected: 115.37 , ≤ 115.* (rpm)
Unaffected: 140.12 , ≤ 140.* (rpm)
Unaffected: 152 , ≤ * (rpm)
Create a notification for this product.
    Mozilla Thunderbird Unaffected: 140.12 , ≤ 140.* (rpm)
Unaffected: 152 , ≤ * (rpm)
Create a notification for this product.
Credits
Andrew McCreight, Randell Jesup, Tom Ritter and the Mozilla Fuzzing Team
Show details on NVD website

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