HTTP/2: request for large response leads to denial of service

A vulnerability was found in HTTP/2. An attacker can open a HTTP/2 window so the peer can send without constraint. The TCP window remains closed so the peer cannot write the bytes on the wire. The attacker then sends a stream of requests for a large response object. Depending on how the server's...

HTTP/2: large amount of data requests leads to denial of service

A flaw was found in HTTP/2. An attacker can request a large amount of data by manipulating window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this queue can consume excess CPU, memory, or both, leading to a...

WebKit - UXSS Using JavaScript: URI and Synchronous Page Loads

WebKit - UXSS Using JavaScript: URI and Synchronous Page Loads VULNERABILITY DETAILS void DocumentWriter::replaceDocumentconst String& source, Document ownerDocument ... beginmframe-document-url, true, ownerDocument; // 1 // begin might fire an unload event, which will result in a situation where...

Security update for nghttp2 (moderate)

openSUSE Security Update: Security update for nghttp2 Announcement ID: openSUSE-SU-2019:2234-1 Rating: moderate References: 1112438 1125689 1134616 1146182 1146184 Cross-References: CVE-2019-9511 CVE-2019-9513 Affected Products: openSUSE Leap 15.0 An update that solves two vulnerabilities and has...

WebKit - UXSS Using JavaScript: URI and Synchronous Page Loads Exploit

VULNERABILITY DETAILS void DocumentWriter::replaceDocumentconst String& source, Document ownerDocument ... beginmframe-document-url, true, ownerDocument; // 1 // begin might fire an unload event, which will result in a situation where no new document has been attached, // and the old document has...

HTTP/2: large amount of data requests leads to denial of service

A flaw was found in HTTP/2. An attacker can request a large amount of data by manipulating window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this queue can consume excess CPU, memory, or both, leading to a...

Important: nginx

Issue Overview: Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and...

EulerOS 2.0 SP8 : nghttp2 (EulerOS-SA-2019-2083)

According to the version of the nghttp2 package installed, the EulerOS installation on the remote host is affected by the following vulnerability : - Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of...

Important: nghttp2

Issue Overview: Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple streams. They manipulate window size and...

EulerOS 2.0 SP8 : tomcat (EulerOS-SA-2019-2094)

According to the version of the tomcat packages installed, the EulerOS installation on the remote host is affected by the following vulnerability : - The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to...

EulerOS 2.0 SP8 : nginx (EulerOS-SA-2019-2084)

According to the versions of the nginx packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - nginx before versions 1.15.6 and 1.14.1 has a vulnerability in the implementation of HTTP/2 that can allow for excessive memory consumption. This...

Updated nghttp2 packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Some HTTP/2 implementations are vulnerable to window size manipulation and stream prioritization manipulation, potentially leading to a denial of service. The attacker requests a large amount of data from a specified resource over multiple stream...

CVE-2019-3726

An Uncontrolled Search Path Vulnerability is applicable to the following: Dell Update Package DUP Framework file versions prior to 19.1.0.413, and Framework file versions prior to 103.4.6.69 used in Dell EMC Servers. Dell Update Package DUP Framework file versions prior to 3.8.3.67 used in Dell...

openSUSE Security Update : chromium (openSUSE-2019-2152)

This update for chromium to 77.0.3865.75 fixes the following issues : Security issues fixed : - CVE-2019-5870: Fixed a use-after-free in media. boo1150425 - CVE-2019-5871: Fixed a heap overflow in Skia. boo1150425 - CVE-2019-5872: Fixed a use-after-free in Mojo boo1150425 - CVE-2019-5874: Fixed a...

[SECURITY] Fedora 31 Update: ImageMagick-6.9.10.64-1.fc31

ImageMagick is an image display and manipulation tool for the X Window System. ImageMagick can read and write JPEG, TIFF, PNM, GIF, and Photo CD image formats. It can resize, rotate, sharpen, color reduce, or add special effects to an image, and when finished you can either save the completed wor...

HTTP/2: large amount of data requests leads to denial of service

A flaw was found in HTTP/2. An attacker can request a large amount of data by manipulating window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this queue can consume excess CPU, memory, or both, leading to a...

kde, kdelibs, qt security update

CentOS Errata and Security Advisory CESA-2019:2606 An update for kdelibs and kde-setting is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a...

HTTP/2: large amount of data requests leads to denial of service

A flaw was found in HTTP/2. An attacker can request a large amount of data by manipulating window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this queue can consume excess CPU, memory, or both, leading to a...

HTTP/2: large amount of data requests leads to denial of service

A flaw was found in HTTP/2. An attacker can request a large amount of data by manipulating window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this queue can consume excess CPU, memory, or both, leading to a...

HTTP/2: large amount of data requests leads to denial of service

A flaw was found in HTTP/2. An attacker can request a large amount of data by manipulating window size and stream priority to force the server to queue the data in 1-byte chunks. Depending on how efficiently this data is queued, this queue can consume excess CPU, memory, or both, leading to a...