openSUSE 16: httpcomponents-client / httpcomponents-client-cache / etc (openSUSE-SU-2026:21894-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:21894-1 advisory. This update for httpcomponents-client fixes the following issue: - CVE-2026-64607: improper release of underlying connection back to connection manager...

Security Bulletin: HttpClient based on the classic i/o model fails to correctly release the underlying connection

Summary HttpClient based on the classic i/o model fails to correctly release the underlying connection back to the connection manager if it encounters an invalid or unsupported Content-Encoding header value in the response message. Please note this defect does not affect HttpClient based on the...

Imperva_gzip_WAF_Bypass

Imperva Web 应用防火墙 WAF POST 请求绕过 Imperva Cloud WAF 曾存在一个绕过漏洞，允许攻击者在发送恶意 HTTP POST 载荷（如 log4j 漏洞利用、SQL 注入、命令执行、目录遍历、XXE 等）时规避 WAF 规则。 修复方案 Imperva 团队从收到报告的那一刻起就非常重视此事，并在短短几天内拿出了全球性的修复方案。值得称赞。截至 2021 年 12 月 22 日，所有 Cloud WAF 客户均已自动完成修补。与 Imperva 的合作非常愉快，他们显然拥有一支成熟、专业且能力过硬的安全团队。 如何利用 向 HTTP POST 请求添加...

org.apache.httpcomponents.client5/httpclient5: Apache HttpComponents Client: Denial of Service due to connection leak

A flaw was found in Apache HttpComponents Client, specifically in its classic input/output I/O model. When processing a response message with an invalid or unsupported Content-Encoding header, the client fails to properly release the underlying network connection. This connection leak can lead to...

Zapros has an Unbounded Content-Encoding decompression chain that allows denial of service

Impact Who is impacted: - Any application using Zapros to make HTTP requests to untrusted servers - Applications that follow redirects to attacker-controlled hosts Attack vector: - A malicious HTTP server returns a response with many chained content encodings. When the client attempts to decode, ...

EUVD-2026-84182

Zapros has an Unbounded Content-Encoding decompression chain that allows denial of service...

CVE-2026-28318-check

SolarWinds Serv-U 인증되지 않은 DoS: 안전한 탐지 스크립트 안전하고 파괴적이지 않은 탐지기로 CVE-2026-28318 에 대한 것입니다. SolarWinds Serv-U 수정이 누락되었음을 증명합니다; 확인을 위해 서비스를 충돌시키지 않습니다. VULNERABLE 판정은 HF1 입력 유효성 검사 게이트가 없음을 의미하며, 이는 이 CVE의 정확한 대리자입니다. 스크립트는 의도적으로 충돌하는 deflate 값을 보내지 않고 거기서 멈춥니다. 요구 사항 Python 3.7+, 표준 라이브러리만 사용, 타사 패키...

BIT-NIFI-2026-70469 Apache NiFi: Improper Handling of Case Sensitivity for Content-Encoding in HTTP Requests

Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the Content-Encoding header and d...

CVE-2026-61541

Zapros, a Python HTTP client, prior to version 0.14.0 is vulnerable to denial of service when an application requests content from an untrusted server, or follows a redirect to one, because a malicious response containing an excessive number of chained Content-Encoding values causes Zapros to...

CVE-2026-61541

Zapros , a Python HTTP client, is vulnerable to denial of service in versions prior to 0.14.0 . The root cause is an unbounded chained Content-Encoding decompression chain : when an application requests content from an untrusted server (or follows a redirect to one), a malicious response containi...

CVE-2026-61541 Zapros has an Unbounded Content-Encoding decompression chain that allows denial of service

Zapros, a Python HTTP client, prior to version 0.14.0 is vulnerable to denial of service when an application requests content from an untrusted server, or follows a redirect to one, because a malicious response containing an excessive number of chained Content-Encoding values causes Zapros to...

CVE-2026-61541 Zapros has an Unbounded Content-Encoding decompression chain that allows denial of service

Zapros, a Python HTTP client, prior to version 0.14.0 is vulnerable to denial of service when an application requests content from an untrusted server, or follows a redirect to one, because a malicious response containing an excessive number of chained Content-Encoding values causes Zapros to...

Imperva_gzip_bypass

Imperva Web Application Firewall WAF POSTリクエストバイパス Imperva Cloud WAFは、攻撃者が悪意のあるHTTP POSTペイロード（log4jエクスプロイト、SQLインジェクション、コマンド実行、ディレクトリトラバーサル、XXEなど）を送信する際にWAFルールを回避できるバイパスに対して脆弱でした。 修正措置 Impervaチームは、報告を受けた瞬間から非常に真剣に受け止め、わずか数日でグローバルな修正を実施しました。素晴らしい対応です。すべてのCloud...

servu-cve-2026-28318-poc

CVE-2026-28318 — SolarWinds Serv-U "Content-Encoding: deflate" 事前認証クラッシュ 根本原因分析 + DoS 概念実証。 公開アドバイザリでは、これを認証不要の denial-of-service / uncontrolled resource consumption として分類しています。バイナリ解析の結果、根本的な欠陥は メモリ安全性 に関わるもので、HTTP deflate デコードパスにおける 無効なfree による内部ポインタの解放 であり、プロセスヒープを破壊します STATUSHEAPCORRUPTION,...

CVE-2026-61541: Allocation of Resources Without Limits or Throttling

Zapros, a Python HTTP client, prior to version 0.14.0 is vulnerable to denial of service when an application requests content from an untrusted server, or follows a redirect to one, because a malicious response containing an excessive number of chained Content-Encoding values causes Zapros to...

SUSE SLED15 / SLES15 Security Update : httpcomponents-client (SUSE-SU-2026:4028-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 host has a package installed that is affected by a vulnerability as referenced in the SUSE-SU-2026:4028-1 advisory. This update for httpcomponents-client fixes the following issue: - CVE-2026-64607: improper release of underlying...

OPENSUSE-SU-2026:21894-1 Security update for httpcomponents-client

This update for httpcomponents-client fixes the following issue: - CVE-2026-64607: improper release of underlying connection back to connection manager when an invalid or unsupported Content-Encoding header value in a response message bsc1273163...

CVE-2026-70469

Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the Content-Encoding header and d...

CVE-2026-70469 Apache NiFi: Improper Handling of Case Sensitivity for Content-Encoding in HTTP Requests

Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the Content-Encoding header and d...

CVE-2026-70469

Apache NiFi 2.11.0 disabled support for gzip-encoded HTTP requests for the application REST API and rejected requests that included the standard Content-Encoding header indicating gzip encoding. The framework enforcement filter did not check multiple instances of the Content-Encoding header and d...