304 matches found
USN-8830-1: phpseclib vulnerabilities
It was discovered that phpseclib did not perform constant-time padding validation when using AES in CBC mode. A remote attacker could possibly use this issue to obtain sensitive information. CVE-2026-32935 It was discovered that phpseclib did not use a constant-time comparison when validating SSH...
USN-8830-1 php-phpseclib vulnerabilities
It was discovered that phpseclib did not perform constant-time padding validation when using AES in CBC mode. A remote attacker could possibly use this issue to obtain sensitive information. CVE-2026-32935 It was discovered that phpseclib did not use a constant-time comparison when validating SSH...
Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS / Pro Realtime 22.04 LTS : phpseclib vulnerability (USN-8769-1)
The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 26.04 LTS / Pro Realtime 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8769-1 advisory. It was discovered that phpseclib did not perform padding validation in constant...
USN-8769-1 phpseclib vulnerability
It was discovered that phpseclib did not perform padding validation in constant time when using AES in CBC mode. A remote attacker could possibly use this issue to conduct a padding oracle timing attack and obtain sensitive information...
USN-8769-1: phpseclib vulnerability
It was discovered that phpseclib did not perform padding validation in constant time when using AES in CBC mode. A remote attacker could possibly use this issue to conduct a padding oracle timing attack and obtain sensitive information...
CVE-2026-84308
A flaw was found in phpseclib, a PHP secure communications library. This vulnerability arises from non-constant-time X25519 scalar multiplication, where data-dependent conditional modular reductions create observable timing differences or variations in libgmp call counts. A local attacker, capabl...
EUVD-2026-69576
phpseclib — non-constant-time X25519 scalar multiplication permits full private-key recovery...
phpseclib — non-constant-time X25519 scalar multiplication permits full private-key recovery
The pure-PHP X25519 scalar multiplication in phpseclib is not constant-time. Field addition and subtraction each perform a data-dependent conditional modular reduction, so the cost of each Montgomery-ladder step is a linear function of that step's reduction count which is a quantity determined by...
GHSA-Q97C-8QH3-FPC6 phpseclib — non-constant-time X25519 scalar multiplication permits full private-key recovery
The pure-PHP X25519 scalar multiplication in phpseclib is not constant-time. Field addition and subtraction each perform a data-dependent conditional modular reduction, so the cost of each Montgomery-ladder step is a linear function of that step's reduction count which is a quantity determined by...
ROS-20260904-73-0006
The vulnerability in php-phpseclib is related to manipulating an unknown input, resulting in a time mismatch. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...
ROS-20260904-73-0007
The vulnerability in php-phpseclib is related to an uncontrolled resource consumption. Exploiting this vulnerability can allow a malicious actor to cause service failures...
Linux Distros Unpatched Vulnerability : CVE-2026-84308
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php...
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 the pure-PHP X25519 scalar multiplication in Crypt/EC/Formats/Keys/MontgomeryPrivate.php,...
CVE-2026-84308
phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php performs data-dependent conditional modular reductions in add and subtract. During the Montgomery ladder in...
DEBIAN-CVE-2026-84308
phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php performs data-dependent conditional modular reductions in add and subtract. During the Montgomery ladder in...
CVE-2026-84308
phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php performs data-dependent conditional modular reductions in add and subtract. During the Montgomery ladder in...
UBUNTU-CVE-2026-84308
phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php performs data-dependent conditional modular reductions in add and subtract. During the Montgomery ladder in...
CVE-2026-84308 phpseclib — non-constant-time X25519 scalar multiplication permits full private-key recovery
phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php performs data-dependent conditional modular reductions in add and subtract. During the Montgomery ladder in...
CVE-2026-84308
phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php performs data-dependent conditional modular reductions in add and subtract. During the Montgomery ladder in...
CVE-2026-84308 phpseclib — non-constant-time X25519 scalar multiplication permits full private-key recovery
phpseclib is a PHP secure communications library. Prior to 3.0.57 and 4.0.1, pure-PHP X25519 scalar multiplication in phpseclib/Math/PrimeField/Integer.php performs data-dependent conditional modular reductions in add and subtract. During the Montgomery ladder in...