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 was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

INFO

Published Date :

2025-03-04T13:31:23.856Z

Last Modified :

2026-04-13T14:27:38.226Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2025-1933 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird
Redhat
  • Enterprise Linux
  • Rhel Aus
  • Rhel E4s
  • Rhel Els
  • Rhel Eus
  • Rhel Tus
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-1933.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1946004 cve-icon cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/03/msg00006.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-1933 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-1933 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-14/ cve-icon cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-15/ cve-icon cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-16/ cve-icon cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-17/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-18/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
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Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact