PT-2025-14108 · Mozilla+1 · Firefox+2

Published 2025-04-01 · Updated 2026-04-14 · CVE-2025-3033

Positive Technologies (AI Summary)

CVSS v3.1

7.7

High

Base vector

AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 137 Thunderbird versions prior to 137

Description The issue allows an unexpected file to be uploaded after selecting a malicious Windows .url shortcut from the local filesystem. This bug only affects Firefox on Windows, with other operating systems being unaffected.

Recommendations For Firefox versions prior to 137, update to version 137 or later to resolve the issue. For Thunderbird versions prior to 137, update to version 137 or later to resolve the issue.

Fix

Buffer Overflow

Weakness Enumeration

CWE-73

CWE-119

Related Identifiers

ALT-PU-2025-11100

ALT-PU-2025-14599

ALT-PU-2025-5137

ALT-PU-2025-6353

ALT-PU-2025-7695

ALT-PU-2025-7697

BDU:2025-08235

CVE-2025-3033

OPENSUSE-SU-2025:14971-1

Affected Products

Alt Linux

Firefox

Thunderbird

References · 30

• https://mozilla.org/security/advisories/mfsa2025-23 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-08235 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/719566 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-3033 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-3033 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2025-3033 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2025-20 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2025-20 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:14971-1 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2025-23 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-3033 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2025-3033 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-3033 · Security Note
• https://ubuntu.com/security/CVE-2025-3033 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2025-20/#CVE-2025-3033 · Vendor Advisory