CVE-2026-62641
published 2026-07-14CVE-2026-62641: In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
PriorityP427medium6.5CVSS 3.1
AVNACLPRNUIRSUCNINAH
EPSS
0.25%
17.0th percentile
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| roundcube | webmail | >= 1.6.0 < 1.6.17 | 1.6.17 |
| roundcube | webmail | >= 1.7.0 < 1.7.2 | 1.7.2 |
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size [epel-all]
bugzilla·2026-07-14·CVSS 4.3
CVE-2026-62641 [MEDIUM] CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size [epel-all]
CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size [epel-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
Bugzilla
CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size [fedora-all]
bugzilla·2026-07-14·CVSS 4.3
CVE-2026-62641 [MEDIUM] CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size [fedora-all]
CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size [fedora-all]
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
Bugzilla
CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size
bugzilla·2026-07-14·CVSS 4.3
CVE-2026-62641 [MEDIUM] CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size
CVE-2026-62641 roundcubemail: Roundcube Webmail: Denial of Service via crafted TNEF compressed-RTF size
In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the TNEF decoder was subject to denial of service via a crafted compressed-RTF size.
https://github.com/roundcube/roundcubemail/commit/6d1004fd3764a9606c53130b322c0f295c38be64https://github.com/roundcube/roundcubemail/commit/bf253c72d4293c93fda511b8464fe9cb34b522c1https://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
2026-07-14
Published