CVE-2026-33658

Ruby on Rails Active Storage is affected by a DoS vulnerability in the proxy mode where the HTTP Range header can include thousands of small ranges, causing disproportionate CPU usage. This impacts Rails applications using Active Storage prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1. A patch ha...

CVE-2026-33658 Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1 Active Storage's proxy controller does not limit the number of byte ranges in an HTTP Range header. A request with thousands of small ranges causes disproportionate C...

GHSA-P9FM-F462-GGRG Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Impact Active Storage's proxy controller does not limit the number of byte ranges in an HTTP Range header. A request with thousands of small ranges causes disproportionate CPU usage compared to a normal request for the same file, possibly resulting in a DoS vulnerability. Releases The fixed...

Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Impact Active Storage's proxy controller does not limit the number of byte ranges in an HTTP Range header. A request with thousands of small ranges causes disproportionate CPU usage compared to a normal request for the same file, possibly resulting in a DoS vulnerability. Releases The fixed...

PT-2026-28168

Name of the Vulnerable Software and Affected Versions Rails versions prior to 8.1.2.1 Rails versions prior to 8.0.4.1 Rails versions prior to 7.2.3.1 Description Active Storage, used for attaching cloud and local files in Rails applications, is susceptible to a denial-of-service condition. The...

Rails Active Storage has a possible DoS vulnerability in proxy mode via multi-range requests

Impact Active Storage’s proxy controller does not limit the number of byte ranges in an HTTP Range header. A request with thousands of small ranges causes disproportionate CPU usage compared to a normal request for the same file, possibly resulting in a DoS vulnerability...

CVE-2026-33174 Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when serving files through Active Storage's proxy delivery mode, the proxy controller loads the entire requested byte range into memory before sending it. A request...

CVE-2026-33174 Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when serving files through Active Storage's proxy delivery mode, the proxy controller loads the entire requested byte range into memory before sending it. A request...

CVE-2026-33174

Active Storage in Rails is vulnerable when using the proxy delivery mode. A request with a large or unbounded Range header (for example, bytes=0-) can cause the proxy controller to load the entire requested byte range into memory, potentially exhausting memory and enabling DoS. Affected versions ...

CVE-2026-33174 Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Active Storage allows users to attach cloud and local files in Rails applications. Prior to versions 8.1.2.1, 8.0.4.1, and 7.2.3.1, when serving files through Active Storage's proxy delivery mode, the proxy controller loads the entire requested byte range into memory before sending it. A request...

EUVD-2026-14628

Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests...

GHSA-R46P-8F7G-VVVG Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Impact When serving files through Active Storage's Blobs::ProxyController, the controller loads the entire requested byte range into memory before sending it. A request with a large or unbounded Range header e.g. bytes=0- could cause the server to allocate memory proportional to the file size,...

Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Impact When serving files through Active Storage's Blobs::ProxyController, the controller loads the entire requested byte range into memory before sending it. A request with a large or unbounded Range header e.g. bytes=0- could cause the server to allocate memory proportional to the file size,...

Rails Active Storage has a possible DoS vulnerability when in proxy mode via Range requests

Impact When serving files through Active Storage's Blobs::ProxyController, the controller loads the entire requested byte range into memory before sending it. A request with a large or unbounded Range header e.g. bytes=0- could cause the server to allocate memory proportional to the file size,...

EUVD-2022-53134

Malicious code in bioql PyPI...

EUVD-2025-10900

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2018-8005

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - When there are multiple ranges in a range request, Apache Traffic Server ATS will read the entire object from cache. This can cause performance problems with...

Linux Distros Unpatched Vulnerability : CVE-2021-31806

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in Squid before 4.15 and 5.x before 5.0.6. Due to a memory-management bug, it is vulnerable to a Denial of Service attack against all...

Linux Distros Unpatched Vulnerability : CVE-2025-32907

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in libsoup. The implementation of HTTP range requests is vulnerable to a resource consumption attack. This flaw allows a malicious client to...

EulerOS 2.0 SP12 : libsoup (EulerOS-SA-2025-1828)

According to the versions of the libsoup packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was found in libsoup. A vulnerability in snifffeedorhtml and skipinsignificantspace functions may lead to a heap buffer...