CVE-2026-44255 Wazuh: Username Enumeration via Timing Side-Channel

Wazuh is a free and open source platform used for threat prevention, detection, and response. From 4.0.0 until 4.14.6 and 5.0.0-beta2, AuthenticationManager.checkuser in framework/wazuh/rbac/orm.py performs checkpasswordhash only when the supplied username exists. A nonexistent username returns...

CVE-2026-75589

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589 Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589 Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

EUVD-2026-62350

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

CVE-2026-75589

Net::OAuth versions before 0.33 for Perl are vulnerable to a timing side-channel in the verify method. The HMAC-SHA1, HMAC-SHA256, and PLAINTEXT signature checks use Perl's eq operator, which returns as soon as a mismatch is found, causing response time to vary with the length of the matching pre...

CVE-2026-75589 Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

pam security update

An update is available for pam. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Pluggable Authentication Modules PAM provide a system to set up authentication...

RLSA-2026:56131 Moderate: pam security update

Pluggable Authentication Modules PAM provide a system to set up authentication policies without the need to recompile programs to handle authentication. Security Fixes: linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module CVE-2026-54411 For more details about the...

MiracleLinux 8 : pam-1.3.1-40.el8_10 (AXSA:2026-1577:02)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2026-1577:02 advisory. linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module CVE-2026-54411 Tenable has extracted the preceding description block direct...

RockyLinux 8 : pam (RLSA-2026:56131)

The remote RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2026:56131 advisory. linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module CVE-2026-54411 Tenable has extracted the preceding description block directly...

PT-2026-78315

Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non-constant-time comparison in verify. Each of the three compares the signature carried in the message against the locally computed one with the eq operator, which returns as soon as the two...

Linux Distros Unpatched Vulnerability : CVE-2026-75589

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Net::OAuth versions before 0.33 for Perl check HMAC-SHA1, HMAC-SHA256 and PLAINTEXT signatures with a non- constant-time comparison in verify. Each of the three...

AlmaLinux 8 : pam (ALSA-2026:56131)

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:56131 advisory. linux-pam: Plaintext password recovery via timing discrepancy in pamuserdb module CVE-2026-54411 Tenable has extracted the preceding description block directly fr...

linux-pam: Plaintext password recovery via timing discrepancy in pam_userdb module

A flaw was found in Linux-PAM's pamuserdb module. This vulnerability, categorized as an Observable Timing Discrepancy CWE-208, allows a local or network-adjacent attacker to recover plaintext passwords. By repeatedly attempting authentication and measuring response-timing differences during...

CVE-2026-74961

Side-channel in the Web Audio component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1...

pam security update

1.3.1-40.0.1 - pamlimits: fix use after free in pamsmopensession Orabug: 36272695 1.3.1-40 - pamuserdb: fix password comparison timing leak. Resolves: CVE-2026-54411 and RHEL-191699...

PT-2026-76994

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 154 Firefox ESR versions prior to 153.1 Thunderbird versions prior to 154 Thunderbird versions prior to 153.1 Description A side-channel issue exists within the Web Audio component. A side-channel is a method of...

RHEL 8 : pam (RHSA-2026:56131)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:56131 advisory. Pluggable Authentication Modules PAM provide a system to set up authentication policies without the need to recompile programs to handle...