Lucene search
+L

CVE-2026-103500

🗓️ 30 Sep 2026 17:15:06Reported by mozillaType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

Heap buffer overflow in Thunderbird when opening emails 2GB or larger.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-103500 Heap buffer overflow opening large email
30 Sep 202617:15
–cvelist
debiancve
Debian CVE
CVE-2026-103500
30 Sep 202617:15
–debiancve
euvd
EUVD
EUVD-2026-90200
30 Sep 202617:15
–euvd
mozilla
Mozilla
Security Vulnerabilities fixed in Thunderbird 157 — Mozilla
30 Sep 202600:00
–mozilla
mozilla
Mozilla
Security Vulnerabilities fixed in Thunderbird 140.17 — Mozilla
30 Sep 202600:00
–mozilla
mozilla
Mozilla
Security Vulnerabilities fixed in Thunderbird 153.4 — Mozilla
30 Sep 202600:00
–mozilla
nvd
NVD
CVE-2026-103500
30 Sep 202618:18
–nvd
osv
OSV
DEBIAN-CVE-2026-103500
30 Sep 202618:18
–osv
redhatcve
RedhatCVE
CVE-2026-103500
30 Sep 202619:02
–redhatcve
slackware
Slackware Linux
[slackware-security] mozilla-thunderbird
1 Oct 202600:57
–slackware
[
  {
    "product": "Thunderbird",
    "vendor": "Mozilla",
    "versions": [
      {
        "status": "unaffected",
        "version": "140.17",
        "lessThanOrEqual": "140.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "153.4",
        "lessThanOrEqual": "153.*",
        "versionType": "rpm"
      },
      {
        "status": "unaffected",
        "version": "157",
        "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

30 Sep 2026 19:05Current
6.2Medium risk
Vulners AI Score6.2
7