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-2026-111766

A flaw was found in markdown-it. When HTML parsing is enabled, a remote attacker can cause a Denial of Service DoS by supplying specially crafted Markdown input containing repeated unterminated inline HTML constructs. The parser repeatedly scans overlapping input while searching for closing tags,...

CVE-2026-111759

A flaw was found in markdown-it. A remote attacker can trigger a Denial of Service DoS by submitting specially crafted Markdown input containing numerous mismatched quotation marks when typographer mode is enabled. This input causes the parser to repeatedly rescan quote tokens, resulting in...

DEBIAN-CVE-2026-111766

markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...

CVE-2026-111766

markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...

CVE-2026-111766

The markdown-it Markdown parser is vulnerable to a quadratic-time denial of service (DoS) in versions prior to 14.3.3 and 15.0.3 . When the html option or commonmark preset is enabled, processing attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instru...

CVE-2026-111766 markdown-it: Quadratic-time denial of service in inline HTML parsing with html enabled

markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...

CVE-2026-111766 markdown-it: Quadratic-time denial of service in inline HTML parsing with html enabled

markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...

CVE-2026-111766

markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...

CVE-2026-111766

markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...

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

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 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: Uncontrolled Resource Consumption

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-2026-111766: Uncontrolled Resource Consumption

markdown-it is a Markdown parser. Prior to 14.3.3 and 15.0.3, when the html option or commonmark preset is enabled and the constructs occur inside a paragraph, attacker-controlled Markdown containing repeated unterminated inline HTML comments, processing instructions, declarations, or CDATA...

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...