linkify-it: linkify-it: Denial of Service via algorithmic complexity vulnerability

A flaw was found in linkify-it, a library for recognizing links with full Unicode support. The LinkifyIt.prototype.match function, the package's primary public API, has an algorithmic complexity of ON² for inputs containing many fuzzy links or emails. This can be exploited by a remote attacker...

CVE-2026-59887

A flaw was found in linkify-it, a library for recognizing links. A remote attacker could exploit this vulnerability by providing specially crafted user text. The mailto: schema validator, when processing this input, can be repeatedly invoked, leading to excessive CPU consumption. This can result ...

Security Bulletin: IBM Decision Intelligence Client Managed Software (Formerly Known as IBM Automation Decision Services) for July 2026- Multiple CVEs addressed

Summary In addition to many updates of operating system level packages, the following security vulnerabilities are addressed with IBM Automation Decision Services. See full list below. Vulnerability Details CVEID:CVE-2026-59887 DESCRIPTION: linkify-it is a links recognition library with full...

Security Bulletin: Cyber Fraud includes components with multiple known vulnerabilities

Summary Cyber Fraud includes components with known vulnerabilities. These have been addressed in the update. Vulnerability Details CVEID:CVE-2026-59887 DESCRIPTION: linkify-it is a links recognition library with full Unicode support. Prior to 5.0.2, the mailto: schema validator used by .test and...

CLSA-2026-1784856031 TuxCare security update for linkify-it (8 CVEs)

TuxCare rebuilt linkify-it to address 8 CVEs. Fixed in 4.0.1-tuxcare.1...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to linkify-it and httpcore5 (CVE-2026-59887, CVE-2026-54428 & CVE-2026-54399)

Summary IBM App Connect Enterprise Discovery Connectors and IBM App Connect Enterprise runtime are vulnerable to multiple vulnerabilities due to linkify-it and httpcore5. Vulnerability Details CVEID:CVE-2026-59887 DESCRIPTION: linkify-it is a links recognition library with full Unicode support...

@27works/posto (>=1.0.0, <=2.0.2), @abc45676/mailer (1.0.0) +275 more potentially affected by CVE-2026-59887 via linkify-it (>=5.0.0, <=5.0.1)

linkify-it NPM version =5.0.0, =1.0.0, =0.6.0, =0.2.6, =0.0.1, =2.0.2, =2026.7.1, =1.0.0, =0.0.1, =0.0.10, =1.0.0, =2.0.1 - @anjirauto/app-gmail 0.5.2 and more Source cves: CVE-2026-59887 Source advisory: OSV:GHSA-V245-V573-V5VM...

linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text

Summary linkify-it's schema-scan loop .test / .match, the documented public API invokes the mailto: schema validator at every mailto: occurrence in the input text. For each occurrence the validator does text.slicepos an On copy and runs an email regex whose local-part class srcemailname greedily...

EUVD-2026-42321

linkify-it: Quadratic-complexity DoS via the mailto: validator scan-loop on attacker text...

GHSA-V245-V573-V5VM linkify-it: Quadratic-complexity DoS via the `mailto:` validator scan-loop on attacker text

Summary linkify-it's schema-scan loop .test / .match, the documented public API invokes the mailto: schema validator at every mailto: occurrence in the input text. For each occurrence the validator does text.slicepos an On copy and runs an email regex whose local-part class srcemailname greedily...

Linux Distros Unpatched Vulnerability : CVE-2026-48801

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the package's primary public API, has ON...

CVE-2026-48801

A flaw was found in linkify-it, a library for recognizing links with full Unicode support. The LinkifyIt.prototype.match function, the package's primary public API, has an algorithmic complexity of ON² for inputs containing many fuzzy links or emails. This can be exploited by a remote attacker...

UBUNTU-CVE-2026-48801

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the package's primary public API, has ON² algorithmic complexity for inputs containing many fuzzy links or emails because the JavaScript-level scan loop re-slices input and re-runs...

CVE-2026-48801 linkify-it: Quadratic algorithmic complexity in LinkifyIt#match scan loop

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the package's primary public API, has ON² algorithmic complexity for inputs containing many fuzzy links or emails because the JavaScript-level scan loop re-slices input and re-runs...

CVE-2026-48801 linkify-it: Quadratic algorithmic complexity in LinkifyIt#match scan loop

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the package's primary public API, has ON² algorithmic complexity for inputs containing many fuzzy links or emails because the JavaScript-level scan loop re-slices input and re-runs...

linkify-it: linkify-it: Denial of Service via algorithmic complexity vulnerability

A flaw was found in linkify-it, a library for recognizing links with full Unicode support. The LinkifyIt.prototype.match function, the package's primary public API, has an algorithmic complexity of ON² for inputs containing many fuzzy links or emails. This can be exploited by a remote attacker...

Inefficient Algorithmic Complexity

Overview org.webjars.npm:linkify-it is a Links recognition library with FULL unicode support Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the mailto: validator scan-loop on attacker-supplied text. An attacker can cause excessive CPU consumption by...

Inefficient Algorithmic Complexity

Overview linkify-it is a Links recognition library with FULL unicode support Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in the mailto: validator scan-loop on attacker-supplied text. An attacker can cause excessive CPU consumption by submitting specially...

@27works/posto (>=1.0.0, <=2.0.2), @abc45676/mailer (1.0.0) +275 more potentially affected by CVE-2026-59887 via linkify-it (>=5.0.0, <=5.0.1)

linkify-it NPM version =5.0.0, =1.0.0, =0.6.0, =0.2.6, =0.0.1, =2.0.2, =2026.7.1, =1.0.0, =0.0.1, =0.0.10, =1.0.0, =2.0.1 - @anjirauto/app-gmail 0.5.2 and more Source cves: CVE-2026-59887 Source advisory: SNYK:JS-LINKIFYIT-17901217...

CVE-2026-59887

linkify-it is a links recognition library with full Unicode support. Prior to 5.0.2, the mailto: schema validator used by .test and .match can be invoked at every mailto: occurrence and scan the remaining input through srcemailname in lib/re.mjs, causing On^2 CPU consumption on crafted user text...