OESA-2026-1861 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: apparmor: fix unprivileged local user can do privileged policy management An unprivileged local user can load, replace, and remove profiles by opening the...

Timing Attack

Overview phpseclib/phpseclib is a PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc. Affected versions of this package are vulnerable to Timing Attack via the getbinarypacket function. An attacker can potentially infer sensitive information about the...

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-2026-40194

phpseclib is a PHP secure communications library. Starting in 0.1.1 and prior to 3.0.51, 2.0.53, and 1.0.28, phpseclib\Net\SSH2::getbinarypacket uses PHP's != operator to compare a received SSH packet HMAC against the locally computed HMAC. != on equal-length binary strings in PHP uses memcmp,...

EUVD-2026-21597

phpseclib has a variable-time HMAC comparison in SSH2::getbinarypacket using != instead of hashequals...

phpseclib has a variable-time HMAC comparison in SSH2::get_binary_packet() using != instead of hash_equals()

phpseclib SSH2: Variable-time comparison in HMAC verification Summary phpseclib\Net\SSH2::getbinarypacket uses PHP's != operator to compare a received SSH packet HMAC against the locally computed HMAC. != on equal-length binary strings in PHP uses memcmp, which short-circuits on the first differi...

CVE-2026-40194 phpseclib has a variable-time HMAC comparison in SSH2::get_binary_packet() using != instead of hash_equals()

phpseclib is a PHP secure communications library. Starting in 0.1.1 and prior to 3.0.51, 2.0.53, and 1.0.28, phpseclib\Net\SSH2::getbinarypacket uses PHP's != operator to compare a received SSH packet HMAC against the locally computed HMAC. != on equal-length binary strings in PHP uses memcmp,...

CVE-2026-40194 phpseclib has a variable-time HMAC comparison in SSH2::get_binary_packet() using != instead of hash_equals()

phpseclib is a PHP secure communications library. Starting in 0.1.1 and prior to 3.0.51, 2.0.53, and 1.0.28, phpseclib\Net\SSH2::getbinarypacket uses PHP's != operator to compare a received SSH packet HMAC against the locally computed HMAC. != on equal-length binary strings in PHP uses memcmp,...

EUVD-2026-21417

Vikunja: Link Share JWT tokens remain valid for 72 hours after share deletion or permission downgrade...

GHSA-P6J4-WVMC-VX2H Duplicate Advisory: OpenClaw: Tlon cite expansion happens before channel and DM authorization is complete

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vfg3-pqpq-93m4. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cit...

Duplicate Advisory: OpenClaw: Tlon cite expansion happens before channel and DM authorization is complete

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-vfg3-pqpq-93m4. This link is maintained to preserve external references. Original Description OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cit...

EUVD-2026-21130

OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cite work and content handling prior to final auth decisions. Attackers can exploit this timing vulnerability to access or manipulate content before proper authorization validation...

PT-2026-32042

Name of the Vulnerable Software and Affected Versions: phpseclib versions 1.0 through 3.0.50 Description: phpseclib versions prior to 3.0.51, 2.0.53, and 1.0.28 have a timing issue in the phpseclibNetSSH2::get binary packet function. The use of PHP's != operator for comparing SSH packet HMACs...

CVE-2026-40194: Observable Timing Discrepancy

phpseclib is a PHP secure communications library. Starting in 0.1.1 and prior to 3.0.51, 2.0.53, and 1.0.28, phpseclib\Net\SSH2::getbinarypacket uses PHP's != operator to compare a received SSH packet HMAC against the locally computed HMAC. != on equal-length binary strings in PHP uses memcmp,...

CVE-2026-35637

OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cite work and content handling prior to final auth decisions. Attackers can exploit this timing vulnerability to access or manipulate content before proper authorization validation...

CVE-2026-35637 OpenClaw < 2026.3.22 - Premature Cite Expansion Before Authorization in Channel and DM

OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cite work and content handling prior to final auth decisions. Attackers can exploit this timing vulnerability to access or manipulate content before proper authorization validation...

CVE-2026-35637

OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cite work and content handling prior to final auth decisions. Attackers can exploit this timing vulnerability to access or manipulate content before proper authorization validation...

CVE-2026-35637 OpenClaw < 2026.3.22 - Premature Cite Expansion Before Authorization in Channel and DM

OpenClaw before 2026.3.22 performs cite expansion before completing channel and DM authorization checks, allowing cite work and content handling prior to final auth decisions. Attackers can exploit this timing vulnerability to access or manipulate content before proper authorization validation...

Node.js: Node.js: Information disclosure via timing oracle in HMAC verification

A flaw was found in Node.js. The HMAC Hash-based Message Authentication Code verification process uses a comparison method that does not take a constant amount of time. This non-constant-time comparison can leak timing information, which, under specific conditions where precise timing measurement...

SUSE-SU-2026:21018-1 Security update for ovmf

This update for ovmf fixes the following issue: - CVE-2025-59438: mbedtls: padding oracle attack possible through timing of cipher error reporting bsc1252441...