CVE-2026-8973Disclosure(mozilla / firefox)

LOWCVSS 8.8 · HIGH

Signal is active with 2 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 150. 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 151 and Thunderbird 151.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-119CWE-787

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
  • thunderbird

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
Products
firefoxthunderbird

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-05-19: 2Technical Details · 2026-05-19: 205-19
Signal classification1 categories
Disclosure
2100.0%
Referenced assets3 URLs
Full discourse2 posts
  • CVE@CVEnew
    Disclosure

    CVE-2026-8973 Memory safety bugs present in Thunderbird 150. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have b… https://www.cve.org/CVERecord?id=CVE-2026-8973

    Post summary

    A brief disclosure notes memory safety bugs in Thunderbird 150 that may lead to memory corruption, but no PoC, exploit, or mitigation details are provided.

    00000165
    57.5K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-8973 Memory Safety Bugs in Firefox 150 Leading to Arbitrary Cod... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-8973 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2

    Post summary

    The tweet announces CVE-2026-8973, highlighting memory safety bugs in Firefox 150 that can lead to arbitrary code execution, and directs readers to a vulmon link for further details.

    0000077
    4.0K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillathunderbird---

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