VulnSocial

CVE-2026-12324Patch(mozilla / firefox)

LOWCVSS 7.3 · HIGH

Signal is active with 3 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 Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbird 140.12.

mozilla CVEsBack to dashboard
0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-703

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

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

  • Patch or workaround signal is available
  • 3 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 2 signals
  • Technical details provided in 2 signals
  • General: 1 classified signal
  • 3 total mentions across 1 day

Affected systems

Vendors
mozilla
Products
firefoxthunderbird

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-06-16: 3Patch / Workaround · 2026-06-16: 2Technical Details · 2026-06-16: 206-16
Signal classification2 categories
Patch
266.7%
General
133.3%
Referenced assets3 URLs
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Patch

    🚨*CVE* CVE-2026-12324 Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbir… https://www.cve.org/CVERecord?id=CVE-2026-12324 ----- Traducción: CVE-2026-12324 Con… http://infoflow.cloud`

    Post summary

    CVE-2026-12324 describes a boundary condition flaw in the CanvasWebGL component of Firefox and Thunderbird, which has already been fixed in recent releases.

    0000027
    82 followersView on X
  • CVE@CVEnew
    Patch

    CVE-2026-12324 Incorrect boundary conditions in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Thunderbird 152, and Thunderbir… https://www.cve.org/CVERecord?id=CVE-2026-12324

    Post summary

    CVE-2026-12324, a boundary condition issue in CanvasWebGL, has been patched in recent Firefox and Thunderbird releases; no exploit, PoC, or active exploitation details are provided.

    00000160
    57.6K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    General

    CVE-2026-12324 Incorrect Boundary Conditions in Firefox Graphics CanvasWebGL Component https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-12324

    Post summary

    The entry lists only the CVE identifier, a brief title, and a link, without any additional details or context.

    0000040
    4.0K followersView on X
CPE platform detail4 entries

4 of 4 entries

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

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