vulnerability
Red Hat: CVE-2025-1933: firefox: JIT corruption of WASM i32 return values on 64-bit CPUs (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:M/Au:N/C:P/I:P/A:C) | Mar 4, 2025 | Mar 10, 2025 | Oct 13, 2025 |
Severity
8
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:C)
Published
Mar 4, 2025
Added
Mar 10, 2025
Modified
Oct 13, 2025
Description
On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability affects Firefox < 136, Firefox ESR < 115.21, Firefox ESR < 128.8, Thunderbird < 136, and Thunderbird < 128.8.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-firefoxredhat-upgrade-firefox-debuginforedhat-upgrade-firefox-debugsourceredhat-upgrade-firefox-x11
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