bouncycastle: BC-JAVA: unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpg. A specially crafted PGP AEAD Authenticated Encryption with Associated Data message with an unbounded chunk size can lead to an excessive consumption of memory. This issue allows an unauthenticated remote attacker to cause memory...

bouncycastle: BC-JAVA: unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpg. A specially crafted PGP AEAD Authenticated Encryption with Associated Data message with an unbounded chunk size can lead to an excessive consumption of memory. This issue allows an unauthenticated remote attacker to cause memory...

bouncycastle: BC-JAVA: unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpg. A specially crafted PGP AEAD Authenticated Encryption with Associated Data message with an unbounded chunk size can lead to an excessive consumption of memory. This issue allows an unauthenticated remote attacker to cause memory...

bouncycastle: BC-JAVA: unbounded PGP AEAD chunk size leads to pre-auth resource exhaustion

A flaw was found in Legion of the Bouncy Castle Inc. BC-JAVA bcpg. A specially crafted PGP AEAD Authenticated Encryption with Associated Data message with an unbounded chunk size can lead to an excessive consumption of memory. This issue allows an unauthenticated remote attacker to cause memory...

Astra Linux – Vulnerability in Thunderbird

If a MIME-encoded email contains an OpenPGP inline signed or encrypted message part, but also contains an additional unprotected part, Thunderbird did not indicate that only certain parts of the message are protected. This vulnerability affects Thunderbird versions earlier than 78.10.2...

Astra Linux – Vulnerability in Thunderbird

When requesting an OpenPGP key from a WKD server, an incorrect padding size was used, which could allow a network observer to determine the length of the requested email address. This vulnerability was fixed in Thunderbird 136 and Thunderbird 128.8...

Rocky Linux 9.6 [TuxCare] Security Update: mutt (ALMALINUX9.6:CLSA-2026:1783694989)

The Rocky Linux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1783694989 advisory. - In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from...

AlmaLinux 9.6 [TuxCare] Security Update: mutt (ALMALINUX9.6:CLSA-2026:1783694989)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1783694989 advisory. - In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from th...

AlmaLinux 9.2 [TuxCare] Security Update: mutt (ALMALINUX9.2:CLSA-2026:1783344253)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1783344253 advisory. - In mutt and neomutt, PGP encryption does not use the --hidden-recipient mode which may leak the Bcc email header field by inferring from th...

CVE-2026-61855

Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, under certain conditions, Zammad's verification of inbound PGP-signed email can mark a message as carrying a valid "Good" PGP signature from a registered sender key, even though the displayed message content i...

CVE-2026-61855 Zammad: Invalid PGP Detached Signatures Reported as Good Signature on Inbound Mail

Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, under certain conditions, Zammad's verification of inbound PGP-signed email can mark a message as carrying a valid "Good" PGP signature from a registered sender key, even though the displayed message content i...

CVE-2026-61855 Zammad: Invalid PGP Detached Signatures Reported as Good Signature on Inbound Mail

Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, under certain conditions, Zammad's verification of inbound PGP-signed email can mark a message as carrying a valid "Good" PGP signature from a registered sender key, even though the displayed message content i...

CVE-2026-61855

The open source helpdesk system Zammad versions 7.0.3 and 7.1.1 is vulnerable to an issue where inbound PGP-signed emails may be incorrectly marked with a valid ("Good" ) signature status. This occurs under certain conditions because the verification process can identify a valid signature from a ...

CVE-2026-61855 Zammad: Invalid PGP Detached Signatures Reported as Good Signature on Inbound Mail

Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, under certain conditions, Zammad's verification of inbound PGP-signed email can mark a message as carrying a valid "Good" PGP signature from a registered sender key, even though the displayed message content i...

EUVD-2026-87268

Zammad is a web based open source helpdesk/customer support system. In 7.0.3 and 7.1.1, under certain conditions, Zammad's verification of inbound PGP-signed email can mark a message as carrying a valid "Good" PGP signature from a registered sender key, even though the displayed message content i...

CVE-2026-56727

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, summary In Zammad's inbound PGP email processing, the return value of the gpg verification call was silently discarded. Regardless of whether gpg reported a valid, invalid, or missing signature, the handler...

CVE-2026-56727 Zammad: PGP signature spoofing via unvalidated verification return

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, summary In Zammad's inbound PGP email processing, the return value of the gpg verification call was silently discarded. Regardless of whether gpg reported a valid, invalid, or missing signature, the handler...

EUVD-2026-87214

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, summary In Zammad's inbound PGP email processing, the return value of the gpg verification call was silently discarded. Regardless of whether gpg reported a valid, invalid, or missing signature, the handler...

CVE-2026-56727

The open-source helpdesk system Zammad is vulnerable to PGP signature spoofing prior to version 7.0.2 . The root cause is that the system silently discards the return value of the gpg verification call during inbound PGP email processing. Consequently, the handler unconditionally writes a success...

CVE-2026-56727 Zammad: PGP signature spoofing via unvalidated verification return

Zammad is a web based open source helpdesk/customer support system. Prior to 7.0.2, summary In Zammad's inbound PGP email processing, the return value of the gpg verification call was silently discarded. Regardless of whether gpg reported a valid, invalid, or missing signature, the handler...