Johnny-You-Are-Fired

Johnny-You-Are-Fired ملحقات منشور USENIX | الورقة الكاملة هنا الملخص OpenPGP وS/MIME هما المعياران الرئيسيان لتشفير رسائل البريد الإلكتروني وتوقيعها رقميًا. من المفترض أن تضمن التوقيعات الرقمية صحة الرسائل وسلامتها. في هذا العمل، نعرض هجمات تزوير عملية ضد تنفيذات مختلفة من التحقق من توقيع البريد...

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...

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...

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-2026-103647

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 - ثغرة حرجة في OpenSSL استخدام بعد التحرير استخدام بعد التحرير في الكومة في PKCS7verify مما يسمح بفساد الذاكرة، وتعطل التطبيق، وتنفيذ تعليمات برمجية عن بُعد محتمل. 📖 ملخص تنفيذي CVE-2026-45447 هي ثغرة حرجة في وظيفة التحقق من PKCS7 في OpenSSL. الخلل موجود في مسار كود PKCS7verify...

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...

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 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...

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 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...

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...