regexploit

Regexploit Find regexes which are vulnerable to Regular Expression Denial of Service ReDoS. More info onthe Doyensec blog Many default regular expression parsers have unbounded worst-case complexity. Regex matching may be quick when presented with a matching input string. However, certain...

axios: Axios: Denial of Service via malformed data URLs

A flaw was found in Axios. A remote attacker can exploit this vulnerability by supplying a crafted data URL containing repeated slash characters to an application that processes untrusted inputs. Due to an inefficient regular expression used to parse the URL, handling the malformed input triggers...

axios: Axios: Denial of Service via malformed data URLs

A flaw was found in Axios. A remote attacker can exploit this vulnerability by supplying a crafted data URL containing repeated slash characters to an application that processes untrusted inputs. Due to an inefficient regular expression used to parse the URL, handling the malformed input triggers...

axios: Axios: Denial of Service via malformed data URLs

A flaw was found in Axios. A remote attacker can exploit this vulnerability by supplying a crafted data URL containing repeated slash characters to an application that processes untrusted inputs. Due to an inefficient regular expression used to parse the URL, handling the malformed input triggers...

regexploit

Regexploit 正規表現サービス拒否（ReDoS）に対して脆弱な正規表現を見つけます。 詳細はDoyensec ブログ をご覧ください。 多くのデフォルトの正規表現パーサーは、最悪の場合の複雑さが無制限です。マッチする入力文字列に対しては高速にマッチングを行うかもしれません。しかし、特定のマッチしない入力文字列によって、正規表現マッチャーが異常なバックトラッキングループに陥り、処理に長い時間がかかることがあります。これは、CPU が正規表現のマッチングに固執してしまうため、サービス拒否を引き起こす可能性があります。 このツールは以下のために設計されています： ReDoS...

PoC-CVE-2025-25200

CVE-2025-25200 Context Vulnerability: CVE-2025-25200 Type: Regular Expression Denial of Service ReDoS Component: Kao = 2.0.0, = 3.0.0-alpha.0, = 1.0.0, 1.7.1, 0.21.2 Description: This vulnerability presents quadratic time complexity On² or, in more critical scenarios, exponential O2ⁿ, meaning the...

GHSA-P6PP-M3F8-5C89 jackson-core: ReDoS: quadratic backtracking in NumberInput.PATTERN_FLOAT via looksLikeValidNumber()

Status FULLY REPRODUCED with a clean, textbook empirical signature: measured runtime grew almost exactly 4x for every doubling of input size across five consecutive doublings 5,000 → 160,000 characters, confirming On² behavior. A single 160,000-character string smaller than a typical HTTP request...

jackson-core: ReDoS: quadratic backtracking in NumberInput.PATTERN_FLOAT via looksLikeValidNumber()

Status FULLY REPRODUCED with a clean, textbook empirical signature: measured runtime grew almost exactly 4x for every doubling of input size across five consecutive doublings 5,000 → 160,000 characters, confirming On² behavior. A single 160,000-character string smaller than a typical HTTP request...

basic-ftp: Quadratic-time CPU denial of service in Client.list() Unix directory-listing parser (RE_LINE backtracking)

Summary Client.list parses the server's directory listing with the Unix-style parser in parseListUnix.js. Its RELINE regex has two adjacent \S+?:\s\S+ groups owner name, then group name followed by a required numeric size group. When a line starts with a valid listing prefix but the tokens after ...

GHSA-C475-QRG2-PJ4R basic-ftp: Quadratic-time CPU denial of service in Client.list() Unix directory-listing parser (RE_LINE backtracking)

Summary Client.list parses the server's directory listing with the Unix-style parser in parseListUnix.js. Its RELINE regex has two adjacent \S+?:\s\S+ groups owner name, then group name followed by a required numeric size group. When a line starts with a valid listing prefix but the tokens after ...

Rocky Linux 9 [CIQ] Security Update: python3.12 / python3.12-debug / python3.12-debuginfo / etc (crlsa-2024_8447)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-20248447 advisory. python: cpython: tarfile: ReDos via excessive backtracking while parsing header values CVE-2024-6232 Tenable has extracted the preceding description block directly...

EUVD-2026-74845

GitPython: Denial of Service via catastrophic backtracking ReDoS in Actor.nameemailregex — commit author/committer field parsing...

CVE-2026-102990

The basic-ftp FTP client for Node.js (prior to version 6.2.1 ) is vulnerable to a quadratic-time CPU denial of service . A malicious or compromised FTP server can trigger this by providing a crafted directory listing where the RE_LINE expression in src/parseListUnix.ts backtracks across adjacent ...

CVE-2026-102990 basic-ftp: Quadratic-time CPU denial of service in Client.list() Unix directory-listing parser (RE_LINE backtracking)

basic-ftp is an FTP client for Node.js. Prior to 6.2.1, Client.list can be forced by a malicious or compromised FTP server to spend quadratic CPU time parsing a directory listing because the RELINE expression in src/parseListUnix.ts backtracks across adjacent variable-length owner and group field...

CVE-2026-102990 basic-ftp: Quadratic-time CPU denial of service in Client.list() Unix directory-listing parser (RE_LINE backtracking)

basic-ftp is an FTP client for Node.js. Prior to 6.2.1, Client.list can be forced by a malicious or compromised FTP server to spend quadratic CPU time parsing a directory listing because the RELINE expression in src/parseListUnix.ts backtracks across adjacent variable-length owner and group field...

Axios: ReDoS (O(N²)) in shouldBypassProxy host normalization, reachable via untrusted redirect Location

Summary Axios shouldBypassProxy normalizes hostnames with hostname.replace/.+$/, ''. For a hostname shaped as many dots followed by a non-dot, the anchored regex can perform quadratic backtracking. Because axios re-evaluates proxy bypass rules for redirected requests, a malicious server can...

EUVD-2026-88383

Axios: ReDoS ON² in shouldBypassProxy host normalization, reachable via untrusted redirect Location...

GHSA-MGHH-PGCX-3JJJ Axios: ReDoS (O(N²)) in shouldBypassProxy host normalization, reachable via untrusted redirect Location

Summary Axios shouldBypassProxy normalizes hostnames with hostname.replace/.+$/, ''. For a hostname shaped as many dots followed by a non-dot, the anchored regex can perform quadratic backtracking. Because axios re-evaluates proxy bypass rules for redirected requests, a malicious server can...

EUVD-2026-88537

PyJWT: ReDoS vulnerability when calling the ispemformat function...

AlmaLinux 9.6 [TuxCare] Security Update: perl-Date-Manip (ALMALINUX9.6:CLSA-2026:1788263623)

The AlmaLinux 9.6 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1788263623 advisory. - Date::Manip versions through 7.00 for Perl allow CPU exhaustion via quadratic backtracking in the unanchored time substitution in parsetime...