Unbounded SCRAM iteration count allows a malicious server to cause CPU-exhaustion denial of service

A malicious, compromised, or man-in-the-middle server can supply an arbitrarily large SCRAM-SHA-256 PBKDF2 iteration count during authentication. The client runs it inline with no upper bound, pinning a tokio worker thread for minutes per connection, possibly stalling the whole async runtime...

pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS

Summary pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. Impact A malicious server can instruct the driver to perform SCRAM authentication with a very large iteration count. With a large enough value, the client spends an unbounded amount of CPU time...

GHSA-98QH-XJC8-98PQ pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS

Summary pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. Impact A malicious server can instruct the driver to perform SCRAM authentication with a very large iteration count. With a large enough value, the client spends an unbounded amount of CPU time...

CVE-2026-42198

pgjdbc is an open source postgresql JDBC Driver. From version 42.2.0 to before version 42.7.11, pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. A malicious server can instruct the driver to perform SCRAM authentication with a very large iteration count...

CVE-2026-42198 pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS

pgjdbc is an open source postgresql JDBC Driver. From version 42.2.0 to before version 42.7.11, pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. A malicious server can instruct the driver to perform SCRAM authentication with a very large iteration count...

CVE-2026-42198

CVE-2026-42198 affects the pgjdbc PostgreSQL JDBC driver in versions 42.2.0 through before 42.7.11. The vulnerability is a client-side denial of service during SCRAM-SHA-256 authentication: a malicious server can force SCRAM with an extremely high iteration count, causing the client to spend unbo...

CVE-2026-42198 pgjdbc: Unbounded PBKDF2 iterations in SCRAM authentication allows CPU exhaustion DoS

pgjdbc is an open source postgresql JDBC Driver. From version 42.2.0 to before version 42.7.11, pgjdbc is vulnerable to a client-side denial of service during SCRAM-SHA-256 authentication. A malicious server can instruct the driver to perform SCRAM authentication with a very large iteration count...

CVE-2026-27932

joserfc is a Python library that provides an implementation of several JSON Object Signing and Encryption JOSE standards. In 1.6.2 and earlier, a resource exhaustion vulnerability in joserfc allows an unauthenticated attacker to cause a Denial of Service DoS via CPU exhaustion. When the library...

EUVD-2023-3143

Malicious code in bioql PyPI...

PT-2026-36987

Name of the Vulnerable Software and Affected Versions net-imap affected versions not specified Description A hostile IMAP server can trigger a computational denial-of-service attack on the client process during authentication using SCRAM-SHA1 or SCRAM-SHA256. By sending an arbitrarily large PBKDF...

Taylored webhook validation vulnerabilities

Critical Security Advisory for Taylored npm package v7.0.7 - tag 7.0.5 Summary A series of moderate to high-severity security vulnerabilities have been identified specifically in version 7.0.7 of \taylored. These vulnerabilities reside in the "Backend-in-a-Box" template distributed with this...

jose4j: denial of service via specially crafted JWE

A flaw was found in the jose.4.j jose4j library. The JWE key management algorithms based on PBKDF2 require a JOSE Header Parameter called p2c PBES2 Count. This parameter dictates the number of PBKDF2 iterations needed to derive a CEK wrapping key. Its primary purpose is to intentionally slow down...

jose4j: denial of service via specially crafted JWE

A flaw was found in the jose.4.j jose4j library. The JWE key management algorithms based on PBKDF2 require a JOSE Header Parameter called p2c PBES2 Count. This parameter dictates the number of PBKDF2 iterations needed to derive a CEK wrapping key. Its primary purpose is to intentionally slow down...

CVE-2023-49290 Malicious parameters can cause a denial of service in lestrrat-go/jwx

lestrrat-go/jwx is a Go module implementing various JWx JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE technologies. A p2c parameter set too high in JWE's algorithm PBES2- could lead to a denial of service. The JWE key management algorithms based on PBKDF2 require a JOSE Header Parameter called p2c...

UBUNTU-CVE-2022-36083

JOSE is "JSON Web Almost Everything" - JWA, JWS, JWE, JWT, JWK, JWKS with no dependencies using runtime's native crypto in Node.js, Browser, Cloudflare Workers, Electron, and Deno. The PBKDF2-based JWE key management algorithms expect a JOSE Header Parameter named p2c PBES2 Count, which determine...

PT-2022-23172

Name of the Vulnerable Software and Affected Versions JOSE versions prior to v1.28.2 JOSE versions prior to v2.0.6 JOSE versions prior to v3.20.4 JOSE versions prior to v4.9.2 Description The PBKDF2-based JWE key management algorithms in JOSE expect a JOSE Header Parameter named p2c PBES2 Count,...