CVE-2026-40890

A flaw was found in github.com/gomarkdown/markdown, a Go library for parsing Markdown text and rendering as HTML. A remote attacker could exploit this vulnerability by providing a specially crafted malformed input. Specifically, input containing a '' character, when processed by the...

github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer

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Linux Distros Unpatched Vulnerability : CVE-2026-40890

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character...

DEBIAN-CVE-2026-40890

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

CVE-2026-40890

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

CVE-2026-40890

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

UBUNTU-CVE-2026-40890

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

CVE-2026-40890 github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

CVE-2026-40890

CVE-2026-40890 affects github.com/gomarkdown/markdown. A malformed input containing a '' read by the SmartypantsRenderer can trigger an out-of-bounds read or a panic. The vulnerability is fixed in commit 759bbc3e32073c3bc4e25969c132fc520eda2778. Connected advisories confirm the same description a...

CVE-2026-40890 github.com/gomarkdown/markdown: Out-of-bounds Read in SmartypantsRenderer

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

CVE-2026-40890

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. This vulnerability is fixed with...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read via the smartLeftAngle function in smartypants.go file. An attacker can cause a panic or read unintended memory by providing input containing a character in the remaining text. PoC package main import "bytes" "fmt"...

GHSA-77FJ-VX54-GVH7 Go Markdown has an Out-of-bounds Read in SmartypantsRenderer

Summary Processing a malformed input containing a character anywhere in the remaining text with a SmartypantsRenderer will lead to Out of Bounds read or a panic. Details The smartLeftAngle function in html/smartypants.go:367-376 performs an out-of-bounds slice operation when processing a characte...

The package `github.com/gomarkdown/markdown` is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion `v0.0.0-20240729232818-a2a9c4f`, which corresponds with commit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252`, there was a logical problem in the paragraph function of the parser/block.go file, which allowed a remote attacker to cause a denial of service (DoS) condition by providing a tailor-made input that caused an infinite loop, causing the program to hang and consume resources indefinitely. Submit `a2a9c4f76ef5a5c32108e36f7c47f8d310322252` contains fixes to this problem.

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Linux Distros Unpatched Vulnerability : CVE-2024-44337

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion v0.0.0-20240729232818-a2a9c4f...

GO-2024-3205 Infinite loop in github.com/gomarkdown/markdown

Infinite loop in github.com/gomarkdown/markdown...

SUSE CVE-2024-44337

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion v0.0.0-20240729232818-a2a9c4f, which corresponds with commit a2a9c4f76ef5a5c32108e36f7c47f8d310322252, there was a logical problem in the paragraph function of the...

CVE-2024-44337

A flaw was found in the github.com/gomarkdown/markdown Golang library. There is a logical problem with the paragraph function of the parser/block.go file. This flaw allows a remote attacker to trigger a denial of service DoS by providing a specially crafted input, causing an infinite loop...

Infinite loop in github.com/gomarkdown/markdown

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion v0.0.0-20240729232818-a2a9c4f, which corresponds with commit a2a9c4f76ef5a5c32108e36f7c47f8d310322252, there was a logical problem in the paragraph function of the...

GHSA-XHR3-WF7J-H255 Infinite loop in github.com/gomarkdown/markdown

The package github.com/gomarkdown/markdown is a Go library for parsing Markdown text and rendering as HTML. Prior to pseudoversion v0.0.0-20240729232818-a2a9c4f, which corresponds with commit a2a9c4f76ef5a5c32108e36f7c47f8d310322252, there was a logical problem in the paragraph function of the...