markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes

Impact When typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes followed by unmatched closing single quotes cause...

EUVD-2026-104538

markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes...

NPM: markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes

NPM: markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes vulnerability discovered by ? in WordPress npm markdown-it versions 14.3.2...

Linux Distros Unpatched Vulnerability : CVE-2026-111759

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - markdown-it is a Markdown parser. Prior to 14.3.2 and 15.0.2, when typographer: true is enabled, specially crafted Markdown can cause quadratic processing time ...

CVE-2026-111759

markdown-it is a Markdown parser. Prior to 14.3.2 and 15.0.2, when typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes...

CVE-2026-111759 markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes

markdown-it is a Markdown parser. Prior to 14.3.2 and 15.0.2, when typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes...

CVE-2026-111759

markdown-it is a Markdown parser. Prior to 14.3.2 and 15.0.2, when typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes...

CVE-2026-111759

The markdown-it Markdown parser is vulnerable to a denial of service (DoS) due to quadratic processing time in its smartquotes rule. When the typographer: true option is enabled, specially crafted Markdown containing many opening double quotes followed by unmatched closing single quotes (or vice ...

CVE-2026-111759 markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes

markdown-it is a Markdown parser. Prior to 14.3.2 and 15.0.2, when typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes...

CVE-2026-111759 markdown-it: Quadratic complexity in smartquotes with unmatched closing quotes

markdown-it is a Markdown parser. Prior to 14.3.2 and 15.0.2, when typographer: true is enabled, specially crafted Markdown can cause quadratic processing time in the smartquotes rule, potentially leading to denial of service in applications processing untrusted input. Many opening double quotes...

PT-2026-117540

Name of the Vulnerable Software and Affected Versions markdown-it versions prior to 14.3.2 markdown-it versions prior to 15.0.2 Description When the typographer option is set to true, specially crafted Markdown input can trigger quadratic processing time within the smartquotes rule. This occurs...

CVE-2026-48988

A flaw was found in markdown-it, a Markdown parser. A remote attacker could exploit this vulnerability to cause a Denial of Service DoS when the typographer option is enabled. This occurs due to inefficient processing of smartquotes, leading to excessive CPU consumption when parsing specially...

DEBIAN-CVE-2026-48988

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

CVE-2026-48988

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

CVE-2026-48988

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

CVE-2026-48988

markdown-it is affected by a Denial-of-Service vulnerability (CVE-2026-48988) when typographer: true is enabled. Versions 14.1.1 and earlier process smartquotes with a quadratic time complexity due to repeated uses of replaceAt(), causing high CPU usage on quote-heavy inputs. The issue can degrad...

CVE-2026-48988

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

CVE-2026-48988 markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

EUVD-2026-37799

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...

CVE-2026-48988 markdown-it: Quadratic complexity DoS in smartquotes rule via replaceAt string operations

markdown-it is a Markdown parser. Versions 14.1.1 and below contain a denial-of-service vulnerability when typographer: true is enabled, due to quadratic On^2 processing in the smartquotes rule. The issue stems from repeatedly modifying strings with replaceAt, which performs On slicing and...