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 affects 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 27-03-2026 - 18:05
Objavljeno 24-03-2026 - 21:16