PYSEC-2026-3853 JupyterHub has Unauthenticated Denial of Service via Unbounded Username Logging on Failed Login

Impact Invalid input to login resulted in unbounded logging output. Only form-based Authenticators the default PAM Authenticator, but not the more widely used OAuthenticator are affected. Patches Upgrade to 5.5.0. Workarounds Use an Authenticator that doesn't use a login form, such as...

JupyterHub has Unauthenticated Denial of Service via Unbounded Username Logging on Failed Login

ImpactInvalid input to login resulted in unbounded logging output. Only form-based Authenticators the default PAM Authenticator, but not the more widely used OAuthenticator are affected. PatchesUpgrade to 5.5.0. WorkaroundsUse an Authenticator that doesn't use a login form, such as OAuthenticator...

EUVD-2026-54678

JupyterHub has Unauthenticated Denial of Service via Unbounded Username Logging on Failed Login...

GHSA-P43P-WHWX-Q52H JupyterHub has Unauthenticated Denial of Service via Unbounded Username Logging on Failed Login

Impact Invalid input to login resulted in unbounded logging output. Only form-based Authenticators the default PAM Authenticator, but not the more widely used OAuthenticator are affected. Patches Upgrade to 5.5.0. Workarounds Use an Authenticator that doesn't use a login form, such as...

JupyterHub has Unauthenticated Denial of Service via Unbounded Username Logging on Failed Login

Impact Invalid input to login resulted in unbounded logging output. Only form-based Authenticators the default PAM Authenticator, but not the more widely used OAuthenticator are affected. Patches Upgrade to 5.5.0. Workarounds Use an Authenticator that doesn't use a login form, such as...

Linux Distros Unpatched Vulnerability : CVE-2025-69646

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debugrnglists data. A logic error in the...

DEBIAN-CVE-2025-69646

Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debugrnglists data. A logic error in the handling of the debugrnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an...

CVE-2025-69646

Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debugrnglists data. A logic error in the handling of the debugrnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an...

UBUNTU-CVE-2025-69646

Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debugrnglists data. A logic error in the handling of the debugrnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an...

CVE-2025-69646: Uncontrolled Resource Consumption

Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debugrnglists data. A logic error in the handling of the debugrnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an...

CVE-2025-69646

Binutils objdump contains a denial-of-service vulnerability when processing a crafted binary with malformed DWARF debugrnglists data. A logic error in the handling of the debugrnglists header can cause objdump to repeatedly print the same warning message and fail to terminate, resulting in an...

Liferay Portal Denial of Service Vulnerability

Liferay Portal is both an open source portal building tools , but also a Java-based application software development platform . A denial of service vulnerability exists in Liferay Portal versions prior to 7.3.3. The vulnerability stems from the redirection module in Liferay Portal does not limit...