CVE-2026-4371 - CERT CVE
ID CVE-2026-4371
Sažetak A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.
Reference
CVSS
Base: 7.4
Impact: 5.2
Exploitability:2.2
Pristup
VektorSloženostAutentikacija
NETWORK HIGH NONE
Impact
PovjerljivostCjelovitostDostupnost
HIGH NONE HIGH
CVSS vektor CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
Zadnje važnije ažuriranje 13-04-2026 - 15:17
Objavljeno 24-03-2026 - 21:16