Lucene search
+L

CVE-2026-12300

🗓️ 16 Jun 2026 11:52:33Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 94 Views

A memory safety bug was fixed in Firefox version 152.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-12300
16 Jun 202611:52
–attackerkb
alpinelinux
AlpineLinux
CVE-2026-12300
16 Jun 202611:52
–alpinelinux
astralinux
AstraLinux
Astra Linux – Vulnerability in Firefox
5 Aug 202612:44
–astralinux
bdu_fstec
BDU FSTEC
Firefox Thunderbird Buffer Overflow
10 Aug 202600:00
–bdu_fstec
cgr
Chainguard
CVE-2026-12300 vulnerabilities
1 Jul 202614:17
–cgr
circl
Circl
CVE-2026-12300
17 Jun 202620:00
–circl
cvelist
Cvelist
CVE-2026-12300 Memory safety bug fixed in Thunderbird 152
16 Jun 202611:52
–cvelist
debiancve
Debian CVE
CVE-2026-12300
16 Jun 202611:52
–debiancve
euvd
EUVD
EUVD-2026-37091
16 Jun 202611:52
–euvd
nessus
Tenable Nessus
Fedora 43 : firefox / nss (2026-1c873954fa)
20 Jun 202600:00
–nessus
Rows per page
NVD
Node
OR
mozillafirefoxRange<152.0.0-
mozillathunderbirdRange<152.0.0-
[
  {
    "product": "Firefox",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "152",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  },
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "152",
        "lessThanOrEqual": "*",
        "versionType": "rpm"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

21 Oct 2026 14:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.15.3
EPSS0.00252
SSVC
94