PT-2025-9658 · Mozilla+11 · Firefox+11

Kkdong + 1 · Published 2025-03-04 · Updated 2025-07-22 · CVE-2025-1933

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:N/C:P/I:P/A:C

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 136 Firefox ESR versions prior to 115.21 Firefox ESR versions prior to 128.8

Description The issue arises when the JIT compiles WASM i32 return values on 64-bit CPUs, potentially picking up bits from leftover memory. This can cause the values to be treated as a different type.

Recommendations For Firefox versions prior to 136, update to version 136 or later. For Firefox ESR versions prior to 115.21, update to version 115.21 or later. For Firefox ESR versions prior to 128.8, update to version 128.8 or later.

Fix

Unchecked Return Value

Type Confusion

Weakness Enumeration

CWE-252

CWE-843

Related Identifiers

ALSA-2025:2359

ALSA-2025:2452

ALT-PU-2025-3905

ALT-PU-2025-4001

ALT-PU-2025-4567

ALT-PU-2025-5829

ALT-PU-2025-7695

ALT-PU-2025-7697

BDU:2025-02877

CESA-2025_2452

CVE-2025-1933

DLA-4078-1

DLA-4081-1

DSA-5874-1

DSA-5876-1

INFSA-2025_2359

INFSA-2025_2452

MGASA-2025-0092

MGASA-2025-0093

OESA-2025-1265

OESA-2025-1266

OESA-2025-1267

OESA-2025-1268

OESA-2025-1835

OPENSUSE-SU-2025:14852-1

OPENSUSE-SU-2025:14853-1

OPENSUSE-SU-2025:14861-1

OPENSUSE-SU-2025_0788-1

OPENSUSE-SU-2025_0849-1

RHSA-2025:2359

RHSA-2025:2452

RHSA-2025:2479

RHSA-2025:2480

RHSA-2025:2481

RHSA-2025:2484

RHSA-2025:2485

RHSA-2025:2486

RHSA-2025:2699

RHSA-2025:2708

RHSA-2025_2359

RHSA-2025_2452

SUSE-SU-2025:0783-1

SUSE-SU-2025:0788-1

SUSE-SU-2025:0849-1

SUSE-SU-2025_0783-1

USN-7334-1

USN-7663-1

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Debian

Firefox

Linuxmint

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 418

• https://nvd.nist.gov/vuln/detail/CVE-2024-3858 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-1550 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-5170 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-0242 · Security Note
• https://errata.almalinux.org/8/ALSA-2025-2452.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-37205 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-6609 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-1935 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-2616 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-10460 · Security Note
• https://ubuntu.com/security/notices/USN-7334-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-5688 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2025-1930 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-37206 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-10461 · Security Note