PT-2026-78709

Tanium addressed a compression bomb vulnerability in Findings...

CVE-2026-19671

Malcolm's upload-processing pipeline scripts/safe-extract.py enforces entry-count, nesting-depth, and total-uncompressed-byte limits when extracting container archives zip/tar/rar/7z via libarchive, but those limits are not applied when the uploaded file is a single-stream compressed format .gz,...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...

RHEL 9 : mod_http2 (RHSA-2026:55930)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:55930 advisory. The modh2 Apache httpd module implements the HTTP2 protocol h2+h2c on top of libnghttp2 for httpd 2.4 servers. Security Fixes: modhttp2:...

undici: undici: Denial of Service via unbounded decompression of compressed responses

A flaw was found in undici. The decompress interceptor in undici processes compressed response bodies based on the untrusted Content-Encoding header. A remote attacker can exploit this by sending a small, specially crafted compressed payload, known as a 'compression bomb,' which expands...

undici: undici: Denial of Service via unbounded decompression of compressed responses

A flaw was found in undici. The decompress interceptor in undici processes compressed response bodies based on the untrusted Content-Encoding header. A remote attacker can exploit this by sending a small, specially crafted compressed payload, known as a 'compression bomb,' which expands...

Important: Red Hat Security Advisory: mod_http2 security update

An update for modhttp2 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. 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 detailed severity rating, is available fo...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...

Improper Handling of Highly Compressed Data (Data Amplification)

Overview thrift is a Python bindings package for Apache Thrift. Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data Data Amplification through the ZLIB read path in thrift.transport.THeaderTransport.THeaderTransport. An attacker can force excessive memo...

nginx security update

1.26.3-6.0.1.el102.5 - Reference oracle-indexhtml within Requires Orabug: 33802044 2:1.26.3-6.5 - Resolves: RHEL-191778 - nginx: 'HTTP/2 bomb' nginx fix breaks module ABI causing crashes - Resolves: RHEL-188402 - nginx: NGINX: Arbitrary code execution or. Denial of Service via heap-based buffer...

Oracle Linux 10 : mod_http2 (ELSA-2026-25225)

The remote Oracle Linux 10 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-25225 advisory. - Resolves: RHEL-188008 - address CVE-2026-43951, CVE-2026-48913 - Resolves: RHEL-182410 - modhttp2: HTTP/2: Remote Denial of Service via compression bomb and...

MiracleLinux 9 : mod_http2-2.0.26-6.el9_8.1 (AXSA:2026-1306:02)

The remote MiracleLinux 9 host has a package installed that is affected by a vulnerability as referenced in the AXSA:2026-1306:02 advisory. httpd: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 Tenable has extracted the preceding description block...

Oracle Linux 10 : mod_http2 (ELSA-2026-22528)

The remote Oracle Linux 10 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-22528 advisory. - Resolves: RHEL-188008 - address CVE-2026-43951, CVE-2026-48913 - Resolves: RHEL-182410 - modhttp2: HTTP/2: Remote Denial of Service via compression bomb and...

Denial Of Service (DoS)

httplib2 is vulnerable to Denial Of Service DoS. The vulnerability is due to unbounded decompression of HTTP response bodies encoded with gzip or deflate, which allows a malicious server to return a compression bomb that exhausts client memory and causes a crash or out-of-memory condition...

CVE-2026-59803

The CVE-2026-59803 entry concerns rpcx (up to version 1.9.3) with a denial-of-service flaw in protocol.Message.Decode. When a message carries the compression flag, payloads are gzip-decompressed via util.Unzip without a decompressed-size limit; MaxMessageLength is checked only against the compres...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...

httpd: httpd: HTTP/2 Remote Denial of Service via compression bomb and Slowloris-style attack

A flaw was found in HTTP/2, affecting various web servers. A remote attacker can exploit this vulnerability by combining an HPACK compression bomb with a zero-byte flow-control window. This technique allows a small amount of data to expand into large memory allocations on the server, which are th...

Oracle Linux 9 : mod_http2 (ELSA-2026-22551)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-22551 advisory. - Resolves: RHEL-182417 - modhttp2: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 Tenable has extracted the...

Oracle Linux 9 : mod_http2 (ELSA-2026-25057)

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2026-25057 advisory. - Resolves: RHEL-182417 - modhttp2: HTTP/2: Remote Denial of Service via compression bomb and Slowloris-style attack CVE-2026-49975 Tenable has extracted the...