CVE-2025-1014(mozilla / firefox)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-295

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • firefox
  • thunderbird

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • 1 total mentions across 1 day

Affected systems

Vendors
Products
firefoxthunderbird

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-10-01: 110-01
Full discourse1 post
  • DFIR Lab@DFIR_Lab

    🚨 HIGH: CVE-2025-1014 (CVSS 8.8) Certificate length validation flaw in Firefox & Thunderbird. Improper cert store checks could enable remote attacks. Patched in: • Firefox 135 • Firefox ESR 128.7 • Thunderbird 128.7/135 #CVE #PatchNow #ThreatIntel https://t.co/CxLo9Kf6Z4

    0000029
    140 followersView on X
CPE platform detail4 entries

4 of 4 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillafirefox---
Appmozillathunderbird---
Appmozillathunderbird---

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