CVE-2026-2805Disclosure(mozilla / firefox)

LOWCVSS 9.8 · CRITICAL

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

Invalid pointer in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-824

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

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

  • 4 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 4 signals
  • Disclosure: 4 classified signals
  • Peaked 2d ago at 2 mentions (2026-02-24); latest day: 1
  • 4 total mentions across 3 days

Affected systems

Vendors
Products
firefoxthunderbird

Deep dive

Activity timeline4 mentions / 3d
01122Mentions · 2026-02-24: 2Mentions · 2026-02-25: 1Mentions · 2026-03-01: 1Technical Details · 2026-02-24: 2Technical Details · 2026-02-25: 1Technical Details · 2026-03-01: 102-2402-2503-01
Signal classification1 categories
Disclosure
4100.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-02-242
Disclosure2
2026-02-251
Disclosure1
2026-03-011
Disclosure1
Full discourse4 posts
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-2805 (CVSS:9.8, CRITICAL) is Modified. Invalid pointer in the DOM: Core & HTML component. This vulnerability affects Firefox < 148 and Thunderbird < 148...https://nvd.nist.gov/vuln/detail/CVE-2026-2805 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    The post announces CVE-2026-2805, a critical DOM pointer issue affecting Firefox and Thunderbird, with a CVSS score of 9.8, but it does not provide a PoC, exploit, or patch information.

    0000041
    173 followersView on X
  • ThreatCluster@threatcluster
    Disclosure

    Mozilla Firefox hit by two RCE flaws: CVE-2026-2805 (HTML manipulation) and CVE-2026-2801 (WebAssembly). Both enable remote code execution, disclosed Feb 24, 2026. #Firefox #RCE https://threatcluster.io/cluster/mozilla-firefox-remote-code-execution-vulnerabilities-identi-60c5f6dc

    Post summary

    Mozilla Firefox disclosed two new RCE vulnerabilities (CVE-2026-2805 and CVE-2026-2801) affecting HTML manipulation and WebAssembly, announced on Feb 24, 2026.

    0000076
    79 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-2805 Invalid pointer in the DOM: Core & HTML component. This vulnerability affects Firefox < 148. https://www.cve.org/CVERecord?id=CVE-2026-2805 ----- Traducción: CVE-2026-2805 Puntero inválido en el DOM: componente Core y HTML. Esta vulnerabilidad afecta a … http://infoflow.cloud`

    Post summary

    The post announces CVE-2026-2805, an invalid pointer vulnerability in Firefox’s DOM components affecting versions below 148, and provides a link to the CVE record.

    0000049
    54 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-2805 Invalid pointer in the DOM: Core & HTML component. This vulnerability affects Firefox < 148. https://www.cve.org/CVERecord?id=CVE-2026-2805

    Post summary

    The text announces CVE-2026-2805, describing an invalid pointer vulnerability in Firefox’s DOM core and HTML component affecting versions below 148, with no mention of PoC, exploit, or patch.

    00000436
    56.6K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillathunderbird---

Explore more