VulnSocial

CVE-2026-2807Disclosure(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

Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148 and Thunderbird 148.

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0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-787

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

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

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

Affected systems

Vendors
mozilla
Products
firefoxthunderbird

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-02-24: 2Mentions · 2026-03-01: 1Technical Details · 2026-02-24: 2Technical Details · 2026-03-01: 102-2403-01
Signal classification1 categories
Disclosure
3100.0%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-02-242
Disclosure2
2026-03-011
Disclosure1
Full discourse3 posts
  • CRAC Learning - Tech@cracbot
    Disclosure

    CVE-2026-2807 (CVSS:9.8, CRITICAL) is Modified. Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption a..https://nvd.nist.gov/vuln/detail/CVE-2026-2807 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre

    Post summary

    The post announces a critical memory safety vulnerability (CVE‑2026‑2807) affecting Firefox and Thunderbird, providing basic technical details but no evidence of exploitation or mitigation.

    0000040
    173 followersView on X
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-2807 Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of th… https://www.cve.org/CVERecord?id=CVE-2026-2807 ----- Traducción: CVE-2026-2807 Err… http://infoflow.cloud`

    Post summary

    The post announces memory safety bugs in Firefox 147 and Thunderbird 147, noting evidence of memory corruption but providing no PoC, exploit, or patch details.

    0000051
    54 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-2807 Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of th… https://www.cve.org/CVERecord?id=CVE-2026-2807

    Post summary

    CVE-2026-2807 involves memory safety bugs in Firefox and Thunderbird with evidence of memory corruption, but no PoC, exploit, or patch details are provided.

    00000225
    56.6K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillathunderbird---

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