SignXML's signature verification with HMAC is vulnerable to a timing attack

When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., prior versions of SignXML are vulnerable to a potential timing attack. The verifier may leak information about the correct HMAC when comparing...

GHSA-GMHF-GG8W-JW42 SignXML's signature verification with HMAC is vulnerable to a timing attack

When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., prior versions of SignXML are vulnerable to a potential timing attack. The verifier may leak information about the correct HMAC when comparing...

CVE-2025-48995

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., versions of SignXML prior to 4.0.4 are vulnerable to a potential...

Timing Attack

Overview signxml is a Python XML Signature and XAdES library Affected versions of this package are vulnerable to Timing Attack due to the verify function in XMLVerifier. An attacker can infer the correct HMAC used for XML signature verification by observing the time it takes to compare the comput...

DEBIAN-CVE-2025-48995

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., versions of SignXML prior to 4.0.4 are vulnerable to a potential...

CVE-2025-48995

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., versions of SignXML prior to 4.0.4 are vulnerable to a potential...

CVE-2025-48995 SignXML's signature verification with HMAC is vulnerable to a timing attack

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., versions of SignXML prior to 4.0.4 are vulnerable to a potential...

CVE-2025-48995

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set "signxml.XMLVerifier.verifyrequirex509=False, hmackey=...", versions of SignXML prior to 4.0.4 are vulnerable to a potential...

CVE-2025-48995

CVE-2025-48995 affects SignXML (Python implementation of W3C XML Signature) prior to 4.0.4. When verify() is called with require_x509=False and an HMAC secret (hmac_key=...), the timing-based vulnerability may leak information about the correct HMAC during the comparison, enabling reconstruction ...

CVE-2025-48995 SignXML's signature verification with HMAC is vulnerable to a timing attack

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., versions of SignXML prior to 4.0.4 are vulnerable to a potential...

CVE-2025-48995 SignXML's signature verification with HMAC is vulnerable to a timing attack

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., versions of SignXML prior to 4.0.4 are vulnerable to a potential...

CVE-2025-48995: Observable Timing Discrepancy

SignXML is an implementation of the W3C XML Signature standard in Python. When verifying signatures with X509 certificate validation turned off and HMAC shared secret set signxml.XMLVerifier.verifyrequirex509=False, hmackey=..., versions of SignXML prior to 4.0.4 are vulnerable to a potential...

SignXML security vulnerability

SignXML is an open source XML signing and XAdES library for Python from XML-Security. A security vulnerability exists in SignXML versions prior to 4.0.4, which stems from a timing attack flaw that could lead to HMAC key disclosure...

PT-2025-23540

Name of the Vulnerable Software and Affected Versions SignXML versions prior to 4.0.4 Description The issue concerns a potential timing attack when verifying signatures with X509 certificate validation turned off and HMAC shared secret set. This could allow users to reconstruct the correct HMAC f...

Timing Attack

Overview vllm is an A high-throughput and memory-efficient inference and serving engine for LLMs Affected versions of this package are vulnerable to Timing Attack due to the PageAttention mechanism. An attacker can observe timing differences to infer details about the processed data by analyzing...

CVE-2024-47057

SummaryThis advisory addresses a security vulnerability in Mautic related to the "Forget your password" functionality. This vulnerability could be exploited by unauthenticated users to enumerate valid usernames. User Enumeration via Timing Attack: A user enumeration vulnerability exists in the...

Timing Attack

Overview Affected versions of this package are vulnerable to Timing Attack due to differences in response times for existing and non-existing users in the password reset functionality. An attacker can determine the existence of usernames by observing the time it takes for the server to respond...

GHSA-424X-CXVH-WQ9P Mautic allows user name enumeration due to response time difference on password reset form

Summary This advisory addresses a security vulnerability in Mautic related to the "Forget your password" functionality. This vulnerability could be exploited by unauthenticated users to enumerate valid usernames. User Enumeration via Timing Attack: A user enumeration vulnerability exists in the...

CVE-2024-47057 User name enumeration possible due to response time difference on password reset form

SummaryThis advisory addresses a security vulnerability in Mautic related to the "Forget your password" functionality. This vulnerability could be exploited by unauthenticated users to enumerate valid usernames. User Enumeration via Timing Attack: A user enumeration vulnerability exists in the...

CVE-2024-47057

SummaryThis advisory addresses a security vulnerability in Mautic related to the "Forget your password" functionality. This vulnerability could be exploited by unauthenticated users to enumerate valid usernames. User Enumeration via Timing Attack: A user enumeration vulnerability exists in the...