CWE-1333— Inefficient Regular Expression Complexity (ReDoS)
The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.— MITRE CWE catalog
608 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-1333page 13 of 13
- CVE-2026-120631UnratedEG not assessed2026-11-03
CGI::Cookie versions from 4.67 before 5.00 for Perl allow denial of service via the client cookie expires value used as a regex in parse. CGI's cookie method reads the Cookie request header through parse, which interpolates the header's e…
- CVE-2026-118993UnratedEG not assessed2026-10-30
CallBackery versions before 0.62.0 for Perl allow denial of service via the request path interpolated as a regular expression under CGI, FastCGI and PSGI. The before_dispatch hook installed by startup() removes PATH_INFO from the end of t…
- CVE-2026-115866UnratedEG not assessed2026-10-30
Starlet versions from 0.20 before 0.33 for Perl allow CPU exhaustion via regular expression backtracking when decoding chunked request bodies. A chunk-size line is matched as a run of hex digits, then .* and a CRLF. A run followed by a ba…
- CVE-2026-116268UnratedEG not assessed2026-10-28
MIME::Field::ParamVal versions before 5.521 for Perl allow CPU exhaustion via unclosed comments in header parameters. The comment pattern used to parse Content-Type and Content-Disposition parameters scans from each "(" to the next ")". I…
- CVE-2026-117500UnratedEG not assessed2026-10-28
HTTP::Body versions before 1.24_01 for Perl allow CPU exhaustion via regex backtracking on the filename of a multipart upload. For every file part, the multipart parser finds the suffix of the uploaded filename by matching the default $ba…
- CVE-2026-116285UnratedEG not assessed2026-10-28
HTTP::Body versions before 1.23_01 for Perl allow CPU exhaustion via quadratic regex backtracking when parsing chunked request bodies. In chunked mode, used when no content length is given, add() matches each chunk-size line with `/^([\da…
- CVE-2025-2792LOWEG not assessed2025-03-26
@mozilla/readability Denial of Service through Regex Specially crafted titles may have caused a regular expression to excessively backtrack and cause a local denial of service. Additional Details are [available at Bugzilla](https://bugzi…
- CVE-2024-27088UnratedEG not assessed2024-02-26
es5-ext contains ECMAScript 5 extensions. Passing functions with very long names or complex default argument names into `function#copy` or `function#toStringTokens` may cause the script to stall. The vulnerability is patched in v0.10.63.
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