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CVE-2026-14899

UNKNOWN · CVSS N/A

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-07-22T20:16:48.383 · Çekilme zamanı: 2026-07-23T06:10:56.314729+00:00

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CVE
CVE-2026-14899
Severity
UNKNOWN
CVSS
N/A
EPSS
Yok

Orijinal NVD Açıklaması

The code to parse MIME headers for display when forwarding a message (if the setting to view all headers was enabled) had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the headers, and potentially crashing Thunderbird. This vulnerability was fixed in Thunderbird 153 and Thunderbird 140.13.