VulnSocial

CVE-2026-12326Disclosure(mozilla / firefox)

LOWCVSS 8.1 · HIGH

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

Memory safety bugs present in Firefox 151 and Thunderbird 151. 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 152 and Thunderbird 152.

mozilla CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-119CWE-825

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

  • 3 mentions across 1 observed day

What's happening

  • Technical details provided in 3 signals
  • Disclosure: 2 classified 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: 3Technical Details · 2026-06-16: 306-16
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets4 URLs
Full discourse3 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-2026-12326 Memory safety bugs present in Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of … https://www.cve.org/CVERecord?id=CVE-2026-12326 ----- Traducción: CVE-2026-12326 Err… http://infoflow.cloud`

    Post summary

    The post announces CVE‑2026‑12326, a memory safety issue in Firefox and Thunderbird, without providing any PoC, exploit, or remediation details.

    0000021
    82 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-12326 Memory safety bugs present in Firefox 151 and Thunderbird 151. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of … https://www.cve.org/CVERecord?id=CVE-2026-12326

    Post summary

    Briefly lists memory safety bugs affecting Firefox and Thunderbird with some evidence of corruption, but offers no Exploit, Patch, or detailed vulnerability type.

    00000164
    57.6K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-12326 Memory Safety Bugs in Firefox 151 and Thunderbird 151 https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-12326 Customizable Vulnerability Alerts: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=4

    Post summary

    The tweet announces a new memory‑safety vulnerability affecting Firefox 151 and Thunderbird 151, providing a link to details but no PoC, exploit code, patch, or evidence of active exploitation.

    0000035
    4.0K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Appmozillafirefox---
Appmozillathunderbird---

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