CVE-2026-23869-Exploit

⚡ CVE-2026-23869 — React2DoS 通过 React Flight 协议实现未认证远程拒绝服务 服务器组件 Map 反序列化中的二次方 CPU 耗尽 概述 • 工作原理 • 工具 • 安装 • 用法 • Nuclei • 修复 • 免责声明 漏洞概述 字段| 详情 ---|--- CVE ID| CVE-2026-23869 别名| React2DoS CVSS 评分| 7.5（高危） CVSS 向量| CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CWE| CWE-400（未受控的资源消耗） 类型| 未认证远程拒绝服务...

Linux Distros Unpatched Vulnerability : CVE-2026-84378

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - HTTPX2 is a next generation HTTP client for Python. From 2.5.0 until 2.10.0, the HTTPX2 Server-Sent Events parser in src/httpx2/httpx2/sse.py repeatedly copies...

EUVD-2026-70242

HTTPX2 is a next generation HTTP client for Python. From 2.5.0 until 2.10.0, the HTTPX2 Server-Sent Events parser in src/httpx2/httpx2/sse.py repeatedly copies and rescans buffered text in SSELineDecoder.decode when an attacker-controlled or compromised SSE endpoint splits one unterminated line...

GHSA-VP2X-QP44-57V7 NLTK: Quadratic CPU Exhaustion in `XMLCorpusView._read_xml_fragment()`

Summary XMLCorpusView.readxmlfragment reads a corpus file in 1 KiB blocks, appending each block to a growing fragment string, then calls VALIDXMLRE.matchfragment on the full accumulated buffer every iteration. Because each iteration rescans the entire accumulated fragment, the total amount of wor...

Linux Distros Unpatched Vulnerability : CVE-2026-84305

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, sqlparse.formatsql, reindent=True and sqlformat --reindent route attacker-controlled...

CVE-2026-84305

sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, sqlparse.formatsql, reindent=True and sqlformat --reindent route attacker-controlled parenthesized tuple lists through ReindentFilter.getoffset in sqlparse/filters/reindent.py, where flattenuptotoken repeatedly rebuilds an...

CVE-2026-84305

sqlparse , a non-validating SQL parser for Python, is vulnerable to quadratic CPU consumption in versions prior to 0.6.0. When processing attacker-controlled parenthesized tuple lists via sqlparse.format(sql, reindent=True) or sqlformat --reindent, the ReindentFilter._get_offset() function in sql...

CVE-2026-84305 sqlparse: Reindentation of tuple lists causes near-cap quadratic CPU consumption

sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, sqlparse.formatsql, reindent=True and sqlformat --reindent route attacker-controlled parenthesized tuple lists through ReindentFilter.getoffset in sqlparse/filters/reindent.py, where flattenuptotoken repeatedly rebuilds an...

CVE-2026-84305 sqlparse: Reindentation of tuple lists causes near-cap quadratic CPU consumption

sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, sqlparse.formatsql, reindent=True and sqlformat --reindent route attacker-controlled parenthesized tuple lists through ReindentFilter.getoffset in sqlparse/filters/reindent.py, where flattenuptotoken repeatedly rebuilds an...

CVE-2026-81725

A flaw was found in NLTK, specifically within the Pl196xCorpusReader component. A remote attacker can exploit this by supplying malformed Text Encoding Initiative TEI blocks containing numerous unmatched opening tags. This triggers a regular expression denial of service ReDoS vulnerability, causi...

PT-2026-84379

Name of the Vulnerable Software and Affected Versions sqlparse versions prior to 0.6.0 Description An issue exists when SQL is formatted with reindentation enabled, where the ReindentFilter repeatedly rebuilds prefixes of the current statement to calculate token offsets. An attacker providing a...

CVE-2026-81725

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

UBUNTU-CVE-2026-81725

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

CVE-2026-81725

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

UBUNTU-CVE-2026-81723

NLTK versions before 3.10.3 contain a quadratic CPU exhaustion vulnerability in XMLCorpusView.readxmlfragment that rescans accumulated XML fragments on every 1 KiB block read. Attackers can provide malformed XML corpus files to cause severe CPU consumption and denial of service through affected...

EUVD-2026-67075

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

CVE-2026-81725 NLTK before 3.10.3 Regular Expression Denial of Service via Pl196xCorpusReader

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

CVE-2026-81725

NLTK before 3.10.3 contains a Regular Expression Denial of Service vulnerability in the Pl196xCorpusReader component. The root cause lies in lazy regex patterns within the read_block method, which can be triggered by supplying malformed TEI blocks containing many unmatched opening tags. Attackers...

CVE-2026-81725 NLTK before 3.10.3 Regular Expression Denial of Service via Pl196xCorpusReader

NLTK before 3.10.3 contains a regular expression denial of service vulnerability in Pl196xCorpusReader that allows attackers to cause quadratic CPU consumption by supplying malformed TEI blocks with many unmatched opening tags. Attackers can exploit lazy regex patterns in the readblock method...

CVE-2026-81723 NLTK before 3.10.3 Quadratic CPU Exhaustion via XMLCorpusView

NLTK versions before 3.10.3 contain a quadratic CPU exhaustion vulnerability in XMLCorpusView.readxmlfragment that rescans accumulated XML fragments on every 1 KiB block read. Attackers can provide malformed XML corpus files to cause severe CPU consumption and denial of service through affected...