CVE-2026-62642
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.3epss 0.3%
exploitation probability
0.3%top 80% of all CVEs
observed exploitation
nono source reports it
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, an infinite loop was discovered in the TNEF decoder, which may lead to denial of service upon opening an email with a TNEF attachment.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Affected products
Roundcube · WebmailReferences
https://github.com/roundcube/roundcubemail/commit/132ac8dd5a55c8466be12de1daf84355697ffa89https://github.com/roundcube/roundcubemail/commit/877269c79359d959a94f13c9070cab0f3389c193https://github.com/roundcube/roundcubemail/commit/a007321346380136b3de2bd75b486b04f63c0d38https://github.com/roundcube/roundcubemail/commit/fb952956c6eaf29e963f1a718d028d66e7957ce0https://github.com/roundcube/roundcubemail/releases/tag/1.6.17https://github.com/roundcube/roundcubemail/releases/tag/1.7.2https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2