CVE-2026-8080-DKIM-Signature-Verification-Bypass-Header-Canonicalization-Flaw-

CVE-2026-8080 – DKIM Signature Verification Bypass Header Canonicalization Flaw Program Code Python email parsing simulation dkimverifiersim.py - Flawed DKIM verifier import re, hashlib Simulated email with DKIM signature rawemail = b"""From: [email protected] To: [email protected]...

Linux Distros Unpatched Vulnerability : CVE-2026-100888

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon...

EUVD-2026-88052

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

CVE-2026-100888

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

UBUNTU-CVE-2026-100888

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

CVE-2026-100888

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

CVE-2026-100888: Out-of-bounds Write

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

CVE-2026-100888

A vulnerability exists in Trusted Domain Project OpenDKIM versions up to 2.11.0 . The issue resides in the DKIM Signature Header Selection component, specifically within the dkim_canon_selecthdrs function in libopendkim/dkim-canon.c. Improper handling of the argument h can lead to an out-of-bound...

CVE-2026-100888

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

CVE-2026-100888 Trusted Domain Project OpenDKIM DKIM Signature Header Selection dkim-canon.c dkim_canon_selecthdrs out-of-bounds write

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

CVE-2026-100888 Trusted Domain Project OpenDKIM DKIM Signature Header Selection dkim-canon.c dkim_canon_selecthdrs out-of-bounds write

A weakness has been identified in Trusted Domain Project OpenDKIM up to 2.11.0. This affects the function dkimcanonselecthdrs of the file libopendkim/dkim-canon.c of the component DKIM Signature Header Selection. Executing a manipulation of the argument h can lead to out-of-bounds write. The atta...

EUVD-2020-20516

Malware in sbrugna...

CVE-2020-28025

Exim 4 before 4.94.2 allows Out-of-bounds Read because pdkimfinishbodyhash does not validate the relationship between sig-bodyhash.len and b-bh.len; thus, a crafted DKIM-Signature header might lead to a leak of sensitive information from process memory...

Phishers Exploit Google Sites and DKIM Replay to Send Signed Emails, Steal Credentials

In what has been described as an "extremely sophisticated phishing attack," threat actors have leveraged an uncommon approach that allowed bogus emails to be sent via Google's infrastructure and redirect message recipients to fraudulent sites that harvest their credentials. "The first thing to no...

Debian dla-3680 : libopendkim-dev - security update

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3680 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-3680-1 [email protected] https://www.debian.org/lts/security/...

CVE-2022-48521

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely...

Authentication flaw

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely...

CVE-2022-48521

OpenDKIM CVE-2022-48521 affects OpenDKIM up to 2.10.3 and 2.11.x up to 2.11.0-Beta2. The issue: OpenDKIM fails to track ordinal numbers when removing fake Authentication-Results header fields, allowing a remote attacker to craft an email that appears to have a valid DKIM signature when it does no...

CVE-2022-48521

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely...

CVE-2022-48521: Undefined Security Weakness

An issue was discovered in OpenDKIM through 2.10.3, and 2.11.x through 2.11.0-Beta2. It fails to keep track of ordinal numbers when removing fake Authentication-Results header fields, which allows a remote attacker to craft an e-mail message with a fake sender address such that programs that rely...