VulnSocial

CVE-2026-4715Disclosure(mozilla / firefox)

LOWCVSS 9.1 · CRITICAL

Signal is active with 3 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

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

mozilla CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-908

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

Threat summary

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 3 classified signals
  • 3 total mentions across 1 day

Affected systems

Vendors
mozilla
Products
firefox

Deep dive

Activity timeline3 mentions / 1d
01223Mentions · 2026-03-24: 3Technical Details · 2026-03-24: 303-24
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Full discourse3 posts
  • The Hacker Wire@TheHackerWire
    Disclosure

    🔴 CVE-2026-4715 - Critical Uninitialized memory in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. https://www.thehackerwire.com/vulnerability/CVE-2026-4715/ https://t.co/TJhaQx9rtd

    Post summary

    The post announces CVE-2026-4715 as a critical uninitialized memory bug affecting specific Firefox and Thunderbird releases, without providing PoC, exploit code, or patch details.

    0000060
    145 followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-4715 Memory Corruption Vulnerability in Firefox Canvas2D Component Before Version 149 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-4715

    Post summary

    CVE-2026-4715 is a memory corruption vulnerability affecting Firefox's Canvas2D component before version 149, noted on a vulnerability database without evidence of PoC, exploit, or patch information.

    0000043
    4.0K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-4715 Uninitialized memory in the Graphics: Canvas2D component. This vulnerability affects Firefox < 149 and Firefox ESR < 140.9. https://www.cve.org/CVERecord?id=CVE-2026-4715

    Post summary

    The post discloses CVE‑2026‑4715, an uninitialized memory issue in Firefox’s Canvas2D component affecting versions below 149 and ESR 140.9, without mentioning exploitation, patches, or PoCs.

    00000109
    56.8K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillafirefox---

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