CVE-2025-13912

Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks...

CVE-2025-13912 Potential non-constant time compiled code with Clang LLVM

Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks...

EUVD-2025-202756

Multiple constant-time implementations in wolfSSL before version 5.8.4 may be transformed into non-constant-time binary by LLVM optimizations, which can potentially result in observable timing discrepancies and lead to information disclosure through timing side-channel attacks...

CVE-2025-65849

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction. NOTE: this is disputed by the Supplier because the product's objective is "to discourage automated...

PT-2025-50637

Name of the Vulnerable Software and Affected Versions wolfSSL versions prior to 5.8.4 Description Certain constant-time implementations within wolfSSL may be altered by LLVM optimizations into non-constant-time binaries. This transformation can introduce observable timing discrepancies, potential...

GHSA-MPMC-QCHH-R9Q8 Altcha Proof-of-Work obfuscation mode cryptanalytic break

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction...

EUVD-2025-201806

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction...

Altcha Proof-of-Work obfuscation mode cryptanalytic break

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction...

Inadequate Encryption Strength

Overview org.webjars.npm:altcha is a Privacy-first CAPTCHA widget, compliant with global regulations GDPR/HIPAA/CCPA/LGDP/DPDPA/PIPL and WCAG accessible. No tracking, self-verifying. Affected versions of this package are vulnerable to Inadequate Encryption Strength in the Proof of Work obfuscatio...

CVE-2025-65849

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction. NOTE: this is disputed by the Supplier because the product's objective is "to discourage automated...

CVE-2025-65849

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction. NOTE: this is disputed by the Supplier because the product's objective is "to discourage automated...

Timing-Based Side-Channel Attack

github.com/mattermost/mattermost-server is vulnerable to timing-based side-channel attacks. The vulnerability is due to improper use of constant-time comparison for sensitive strings, which allows an attacker to exploit timing oracles to perform byte-by-byte brute-force attacks on Cloud API keys...

CVE-2025-65849

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction. NOTE: this is disputed by the Supplier because the product's objective is "to discourage automated...

PT-2025-49588

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction...

CVE-2025-65849

A cryptanalytic break in Altcha Proof-of-Work obfuscation mode version 0.8.0 and later allows for remote visitors to recover the Proof-of-Work nonce in constant time via mathematical deduction. NOTE: this is disputed by the Supplier because the product's objective is "to discourage automated...

CVE-2025-65849

CVE-2025-65849 concerns Altcha Proof-of-Work obfuscation mode (version 0.8.0 and later). The Red Hat and NVD entries describe a cryptanalytic break that allows remote attackers to recover the Proof-of-Work nonce in constant time via mathematical deduction. The supplier disputes the claim of a cry...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-38008: mm/pagealloc: fix race condition in unaccepted memory handling bsc1244939. CVE-2025-38539: trace/fgraph: Fix the warning caused by missing unregister...

SUSE-SU-2025:4301-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38008: mm/pagealloc: fix race condition in unaccepted memory handling bsc1244939. - CVE-2025-38539: trace/fgraph: Fix the warning caused by missing unregister...

Session Fixation

Overview better-auth is a The most comprehensive authentication library for TypeScript. Affected versions of this package are vulnerable to Session Fixation via the constantTimeEqual function in the crypto/buffer.ts file. An attacker can cause arbitrary user sessions to be revoked by forging...

SUSE-SU-2025:21052-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2025-38008: mm/pagealloc: fix race condition in unaccepted memory handling bsc1244939. - CVE-2025-38539: trace/fgraph: Fix the warning caused by...