CVE-2023-45802 Apache HTTP Server: HTTP/2 stream memory not reclaimed right away on RST

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CVE-2023-45802 Apache HTTP Server: HTTP/2 stream memory not reclaimed right away on RST

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CVE-2023-45802

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CVE-2023-45802

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CVE-2023-45802

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CVE-2023-45802

CVE-2023-45802 describes a memory‑leak condition in HTTP/2 handling: when a client resets a stream, memory deallocation is deferred until connection close, allowing a connection to accumulate memory usage over time. Astra Linux security notes reproduce the issue description and cite a fix in Apac...

Oracle Linux 8 : grafana (ELSA-2023-5863)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2023-5863 advisory. - Resolve CVE-2023-44487 Rapid Reset Attack Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Not...

RHEL 8 : varnish:6 (RHSA-2023:6023)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:6023 advisory. Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and ov...

RHEL 8 : varnish (RHSA-2023:5989)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:5989 advisory. Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and ov...

Oracle Linux 9 : 18 (ELSA-2023-5849)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-5849 advisory. - Rebase to version 18.18.2 Resolves: CVE-2023-44487 CVE-2023-45143 CVE-2023-38552 CVE-2023-39333 nodejs-nodemon - Resolves: CVE-2022-25883...

CVE-2023-43622: Uncontrolled Resource Consumption

An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resources in the server, similar to the well known "slow loris" attack pattern. This has been fixed in...

CVE-2023-45802: Improper Resource Shutdown or Release

When a HTTP/2 stream was reset RST frame by a client, there was a time window were the request's memory resources were not reclaimed immediately. Instead, de-allocation was deferred to connection close. A client could send new requests and resets, keeping the connection busy and open and causing...

CentOS 8 : varnish (CESA-2023:5989)

The remote CentOS Linux 8 host has a package installed that is affected by a vulnerability as referenced in the CESA-2023:5989 advisory. - The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wi...

ALSA-2023:5989 Important: varnish security update

Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up. Security Fixes: HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack Rap...

Oracle Linux 8 : nodejs:16 (ELSA-2023-5850)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-5850 advisory. - Update nghttp2 to 1.57.0 Resolves: CVE-2023-44487 nodejs-nodemon nodejs-packaging Tenable has extracted the preceding description block directly from the Orac...

tomcat security update

1:9.0.62-11.3 - HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack Rapid Reset Attack CVE-2023-44487...

Oracle Linux 9 : grafana (ELSA-2023-5867)

The remote Oracle Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2023-5867 advisory. - Resolve CVE-2023-44487 Rapid Reset Attack Tenable has extracted the preceding description block directly from the Oracle Linux security advisory. Not...

Oracle Linux 8 : nodejs:18 (ELSA-2023-5869)

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-5869 advisory. nodejs 1:18.18.2-1 - Rebase to version 18.18.2 Resolves: CVE-2023-44487 CVE-2023-45143 CVE-2023-38552 CVE-2023-39333 nodejs-nodemon nodejs-packaging...

Denial Of Service (DoS)

gitlab is vulnerable to Denial of Service DoS. This vulnerability allows an attacker to exhaust worker resources in the server by opening an HTTP/2 connection with an initial window size of 0...

AlmaLinux 9 : tomcat (ALSA-2023:5929)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2023:5929 advisory. - The HTTP/2 protocol allows a denial of service server resource consumption because request cancellation can reset many streams quickly, as exploited in the wild ...