Johnny-You-Are-Fired

Johnny-You-Are-Fired Artefatti per la pubblicazione USENIX | Articolo completo qui Sommario OpenPGP e S/MIME sono i due standard principali per cifrare e firmare digitalmente le email. Le firme digitali dovrebbero garantire autenticità e integrità dei messaggi. In questo lavoro mostriamo attacchi...

CVE-2026-107587

Improper certificate validation in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote unauthenticated attacker to have S/MIME-encrypted mail that the account later sends to another correspondent also encrypted to the attacker's key. When its recipient opened a signed...

CVE-2026-107587 Improper Certificate Validation in hMailServer

Improper certificate validation in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote unauthenticated attacker to have S/MIME-encrypted mail that the account later sends to another correspondent also encrypted to the attacker's key. When its recipient opened a signed...

EUVD-2026-94865

Improper certificate validation in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote unauthenticated attacker to have S/MIME-encrypted mail that the account later sends to another correspondent also encrypted to the attacker's key. When its recipient opened a signed...

CVE-2026-107587 Improper Certificate Validation in hMailServer

Improper certificate validation in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote unauthenticated attacker to have S/MIME-encrypted mail that the account later sends to another correspondent also encrypted to the attacker's key. When its recipient opened a signed...

CVE-2026-107587

Progressive Robot hMailServer versions 6.3.2 through 6.3.5 are vulnerable to improper certificate validation within the webmail component. A remote unauthenticated attacker can cause the system to retain a signer's certificate—regardless of whether the certificate chain is trusted—under the first...

CVE-2026-103647

Cross-site scripting in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote attacker who can send a user an encrypted message to run script in the webmail's origin with that user's session. When the webmail decrypted an S/MIME message from 6.3.2 or an OpenPGP message...

EUVD-2026-94836

Cross-site scripting in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote attacker who can send a user an encrypted message to run script in the webmail's origin with that user's session. When the webmail decrypted an S/MIME message from 6.3.2 or an OpenPGP message...

CVE-2026-103647

Progressive Robot hMailServer versions 6.3.2 through 6.3.5 are vulnerable to Cross-Site Scripting (XSS) in the webmail component. The root cause occurs when the webmail decrypts S/MIME (version 6.3.2) or OpenPGP (version 6.3.4) messages in a browser, offering decrypted attachments as blob URLs ba...

CVE-2026-103647 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in hMailServer

Cross-site scripting in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote attacker who can send a user an encrypted message to run script in the webmail's origin with that user's session. When the webmail decrypted an S/MIME message from 6.3.2 or an OpenPGP message...

CVE-2026-103647 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in hMailServer

Cross-site scripting in the webmail of Progressive Robot hMailServer 6.3.2 through 6.3.5 allows a remote attacker who can send a user an encrypted message to run script in the webmail's origin with that user's session. When the webmail decrypted an S/MIME message from 6.3.2 or an OpenPGP message...

CVE-2026-45447

🚨 CVE-2026-45447 - Vulnerabilità Use-After-Free Critica di OpenSSL Use-After-Free nell'heap in PKCS7verify che causa corruzione della memoria, crash e potenziale esecuzione remota di codice. 📖 Riepilogo Esecutivo CVE-2026-45447 è una vulnerabilità critica nella funzionalità di verifica PKCS7 di...

CentOS Linux 7 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS7:CLSA-2026:1781208261)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1781208261 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impact...

CentOS Linux 7 [TuxCare] Security Update: openssl11 / openssl11-devel / openssl11-libs / openssl11-static (CENTOS7:CLSA-2026:1786005006)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1786005006 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impact...

Rocky Linux 9 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource (crlsa-2023_0608)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20230608 advisory. Mozilla: Revocation status of S/Mime signature certificates was not checked CVE-2023-0430 Tenable has extracted the preceding description block directly from the CI...

AlmaLinux 9.2 [TuxCare] Security Update: thunderbird Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1785560172)

The AlmaLinux 9.2 host has a package installed that is affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1785560172 advisory. - Certificate OCSP revocation status was not checked when verifying S/Mime signatures. Mail signed with a revoked certificate would ...

Rocky Linux 8 [CIQ] Security Update: thunderbird / thunderbird-debuginfo / thunderbird-debugsource (crlsa-2023_0606)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20230606 advisory. Mozilla: Revocation status of S/Mime signature certificates was not checked CVE-2023-0430 Tenable has extracted the preceding description block directly from the CI...

AlmaLinux 9.2 [TuxCare] Security Update: compat-openssl11 (ALMALINUX9.2:CLSA-2026:1785517004)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1785517004 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification. Impac...

CentOS Linux 8 [TuxCare] Security Update: openssl / openssl-devel / openssl-libs / openssl-perl / etc (CENTOS-STREAM8:CLSA-2026:1781175688)

The CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS- STREAM8:CLSA-2026:1781175688 advisory. - Issue summary: A specially crafted PKCS7 or S/MIME signed message could trigger a use-after-free during PKCS7 signature verification...

CVE-2026-84465

Zammad is a web based open source helpdesk/customer support system. Prior to 7.1.2, when Zammad checks the digital signature on an incoming S/MIME-signed email, it does not verify that the signing certificate is genuinely trusted, it only checks whether a certificate with a matching name is alrea...