CVE-2025-8027 (GCVE-0-2025-8027)

Vulnerability from cvelistv5 – Published: 2025-07-22 20:49 – Updated: 2025-11-03 20:07
VLAI?
Summary
On 64-bit platforms IonMonkey-JIT only wrote 32 bits of the 64-bit return value space on the stack. Baseline-JIT, however, read the entire 64 bits. This vulnerability affects Firefox < 141, Firefox ESR < 115.26, Firefox ESR < 128.13, Firefox ESR < 140.1, Thunderbird < 141, Thunderbird < 128.13, and Thunderbird < 140.1.
CWE
  • CWE-457 - Use of Uninitialized Variable
Assigner
Impacted products
Vendor Product Version
Mozilla Firefox Affected: unspecified , < 141 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 115.26 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 128.13 (custom)
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    Mozilla Firefox ESR Affected: unspecified , < 140.1 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 141 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 128.13 (custom)
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    Mozilla Thunderbird Affected: unspecified , < 140.1 (custom)
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Credits
Nan Wang
Show details on NVD website

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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