CVE-2026-49755

Technical details beyond what’s in the Initial Description are not provided in the connected documents. Monitor for updates for specifics on affected versions, root cause, and remediation.

CVE-2026-49755 Decompression bomb DoS in Req via auto-decoded archive and compressed response bodies

Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decodebody/1 and...

CVE-2026-49755

Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decodebody/1 and...

CVE-2026-49755 Decompression bomb DoS in Req via auto-decoded archive and compressed response bodies

Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decodebody/1 and...

CVE-2026-49755 Decompression bomb DoS in Req via auto-decoded archive and compressed response bodies

Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decodebody/1 and...

EEF-CVE-2026-49755 Decompression bomb DoS in Req via auto-decoded archive and compressed response bodies

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in wojtekmach Req allows attacker-controlled HTTP servers to exhaust memory in a Req client via decompression-bomb response bodies. Req's default response pipeline includes Req.Steps.decode\body/1 and...

USN-8401-1: Netty vulnerabilities

It was discovered that Netty's HTTP proxy handler did not properly validate headers when constructing CONNECT requests. An attacker could possibly use this issue to inject arbitrary HTTP headers into CONNECT requests. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,...

CVE-2026-8833 XSS in urls

Improper neutralization of HTML-encoded characters in the URL validation function in Checkmk 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions allows an authenticated user to bypass URL validation and inject malicious URLs such as javascript: URIs, resulting in cross-site scripting when another...

Security update for python311

This update for python311 fixes the following issues: CVE-2026-3446: Base64 decoding stops at first padded quad by default bsc1261970. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or "zypper patch". Alternatively you can run...

OSV-2026-889 Use-of-uninitialized-value in vp8_compute_skin_block

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520701729 Crash type: Use-of-uninitialized-value Crash state: vp8computeskinblock encodeframetodatarate vp8getcompresseddata...

PT-2026-47449

Name of the Vulnerable Software and Affected Versions typo3/html-sanitizer versions prior to 2.3.2 Description Namespace attributes are not encoded correctly during HTML serialization. This flaw allows the cross-site scripting prevention mechanism to be bypassed. Cross-site scripting is a techniq...

Important: libvncserver

Issue Overview: LibVNCClient is a library for easy implementation of a VNC client. In 0.9.15 and earlier, LibVNCClient's Tight encoding decoder uses fixed-size 2048-pixel scratch buffers for the Gradient filter, but it does not reject Tight rectangles whose width is larger than 2048 pixels. A...

HTML Sanitizer 跨站脚本漏洞

HTML Sanitizer is an HTML security filtering component open-sourced by the TYPO3 GitHub Department. Versions of HTML Sanitizer prior to 2.3.2 contained a cross-site scripting vulnerability. This vulnerability stemmed from incorrect encoding of namespace attributes during HTML serialization, which...

Checkmk 跨站脚本漏洞

Checkmk is an IT monitoring platform developed by Checkmk Corporation. Versions of Checkmk prior to 2.5.0p5, 2.4.0p31, 2.3.0p48, and all 2.2.0 versions contained a cross-site scripting vulnerability. This vulnerability stemmed from improper decoding of HTML-encoded characters in the URL validatio...

Medium: python3.9

Issue Overview: http.cookies.Morsel.jsoutput returns an inline snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie valu...

Medium: python3.13

Issue Overview: http.cookies.Morsel.jsoutput returns an inline snippet and only escapes " for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element. Mitigation base64-encodes the cookie value to disallow escaping using cookie valu...

Amazon Linux 2 : libvncserver, --advisory ALAS2-2026-3331 (ALAS-2026-3331)

The version of libvncserver installed on the remote host is prior to 0.9.9-14. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2026-3331 advisory. LibVNCClient is a library for easy implementation of a VNC client. In 0.9.15 and earlier, LibVNCClient's Tight encoding decod...

Amazon Linux 2023 : python3, python3-devel, python3-idle (ALAS2023-2026-1785)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1785 advisory. http.cookies.Morsel.jsoutput returns an inline snippet and only escapes for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element...

PT-2026-50616

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=520701729 Crash type: Use-of-uninitialized-value Crash state: vp8 compute skin block encode frame to data rate vp8 get compressed data...

Amazon Linux 2023 : python3.13, python3.13-devel, python3.13-freethreading (ALAS2023-2026-1786)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1786 advisory. http.cookies.Morsel.jsoutput returns an inline snippet and only escapes for JavaScript string context. It does not neutralize the HTML parser-sensitive sequence inside the generated script element...