VulnSocial

CVE-2026-4710General(mozilla / firefox)

LOWCVSS 9.8 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch mozilla firefox systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

mozilla CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-119

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

  • firefox
  • thunderbird

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-03-24); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
mozilla
Products
firefoxthunderbird

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-03-24: 1Mentions · 2026-03-26: 1Patch / Workaround · 2026-03-26: 1Technical Details · 2026-03-24: 1Technical Details · 2026-03-26: 103-2403-26
Signal classification2 categories
General
150.0%
Patch
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-03-241
General1
2026-03-261
Patch1
Full discourse2 posts
  • ThreatCluster@threatcluster
    Patch

    BREAKING: Mozilla patches 3 critical flaws CVE-2026-4720, CVE-2026-4710, CVE-2026-4705 in Firefox and Thunderbird enabling remote code execution without user interaction, update to 149 now. https://threatcluster.io/cluster/critical-vulnerabilities-in-firefox-and-thunderbird-require--8405388c

    Post summary

    Mozilla released updates patching three critical remote-code-execution vulnerabilities in Firefox and Thunderbird, with the new update now available.

    0000076
    115 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-4710 Incorrect boundary conditions in the Audio/Video component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9. https://www.cve.org/CVERecord?id=CVE-2026-4710

    Post summary

    The text briefly notes CVE-2026-4710 as an Audio/Video boundary condition flaw affecting older Firefox releases, with a link to the CVE record but no further details on PoC, exploit, patch, or active use.

    0000093
    56.8K followersView on X
CPE platform detail4 entries

4 of 4 entries

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

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