Mozilla Firefox und Thunderbird: Mehrere Schwachstellen
NEOSEC enrichment — no mirror of the original source
Ein Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Firefox ESR und Thunderbird ausnutzen, um seine Privilegien zu erhöhen, Sicherheitsmaßnahmen zu umgehen, Daten offenzulegen oder zu manipulieren, den Speicher zu beschädigen, Denial-of-Service-Zustände zu verursachen…
Source: BSI CERT-Bund. For licensing reasons NEOSEC Intel does not mirror the full text verbatim. The full text and expert commentary are available at the original source.
Read the issue at BSI CERT-BundFull advisory
Criticalbsi:WID-SEC-2026-337578 linked CVEs
Open advisory with all CVEs
More on Thunderbird
Other advisories
- Not ratedosv:CLEANSTART-2024-BQ53925Mozilla developers reported memory safety bugs present in Thunderbird 78
- Not ratedosv:CLEANSTART-2024-GR27301Mozilla developers reported memory safety bugs present in code shared between Firefox and Thunderbird
- Not ratedosv:CLEANSTART-2024-QL95657Mozilla developers Andrew McCreight and Gabriele Svelto reported memory safety bugs present in Thunderbird 102
- Not ratedosv:CLEANSTART-2024-WQ23056Mozilla developers and community members Nika Layzell, Andrew McCreight, Gabriele Svelto, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 91
- Not ratedosv:CLEANSTART-2024-DC40582Mozilla Fuzzing Team reported potential vulnerabilities present in Thunderbird 91
- Not ratedosv:CLEANSTART-2024-PS83229Mozilla developers Randell Jesup, Valentin Gosu, Olli Pettay, and the Mozilla Fuzzing Team reported memory safety bugs present in Thunderbird 102
- HighCVE-2026-117942Mozilla Firefox, Firefox ESR, und Thunderbird: Mehrere Schwachstellen
- MediumCVE-2026-113470Mozilla Produkte (Thunderbird, Firefox ESR und Firefox): Mehrere Schwachstellen
Other news entries
- Mozilla Firefox, Firefox ESR, und Thunderbird: Mehrere SchwachstellenVulnerabilityBSI CERT-Bund
- Mozilla Firefox, Firefox ESR, und Thunderbird: Mehrere SchwachstellenVulnerabilityBSI CERT-Bund
- Mozilla Produkte (Thunderbird, Firefox ESR und Firefox): Mehrere SchwachstellenVulnerabilityBSI CERT-Bund
- Mozilla Produkte (Thunderbird, Firefox ESR und Firefox): Mehrere SchwachstellenVulnerabilityBSI CERT-Bund
- Mozilla Firefox, Firefox ESR und Thunderbird: Mehrere SchwachstellenVulnerabilityBSI CERT-Bund
- Multiples vulnérabilités dans Mozilla Thunderbird (01 octobre 2026)NewsCERT-FR (ANSSI)
- Mozilla Firefox und Thunderbird: Mehrere SchwachstellenVulnerabilityBSI CERT-Bund
- Mozilla Firefox und Thunderbird: Mehrere SchwachstellenVulnerabilityBSI CERT-Bund
Source: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3375
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