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
456 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-1333page 10 of 10
- CVE-2026-59928HIGHCVSS 7.5EG 7.52026-07-08
Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/block_parser.py and the ref_links envi…
- CVE-2026-62237MEDIUMCVSS 6.5EG 6.52026-07-17
Grav before 2.0.4 contains a regular expression denial of service (ReDoS) vulnerability in the regex_replace filter and function, which are allowlisted in the Twig content sandbox. When Twig processing in page content is enabled (security.…
- CVE-2026-6850MEDIUMCVSS 6.5EG 6.52026-07-13
Mattermost versions 11.7.x <= 11.7.2, 11.6.x <= 11.6.4, 10.11.x <= 10.11.19 fail to validate the length and content of message attachment field values, which allows an authenticated attacker to cause a denial of service for all users in a …
- CVE-2026-8159HIGHCVSS 7.5EG 7.52026-05-12
[email protected] and lower versions are vulnerable to denial of service via regular expression backtracking in the Content-Disposition filename parameter parser. A crafted multipart upload with a long header value can cause regex matching …
- CVE-2026-8888HIGHCVSS 7.5EG 7.52026-06-03
Version 3.0.7 of the Securly Chrome Extension downloads config.json over HTTP and compiles server-provided patterns as JavaScript regular expressions via new RegExp() without complexity validation. An on-path attacker can inject specific p…
- CVE-2026-9496HIGHCVSS 7.5EG 7.52026-05-26
Versions of the package pacote from 11.2.7 and before 21.5.1 are vulnerable to Denial of Service (DoS) via the addGitSha function. An attacker can exploit this vulnerability by supplying a specially crafted spec.rawSpec value that triggers…
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