MGASA-2026-0311 Updated libxfont2 packages fix security vulnerabilities

The updated packages fix security vulnerabilities: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow. CVE-2026-56001 PCF Font Parsing Heap Buffer Overflow. CVE-2026-56002 computeProps Property Buffer Heap Buffer Overflow. CVE-2026-56003...

Cross-site Scripting (XSS)

Overview astro is an Astro is a modern site builder with web best practices, performance, and DX front-of-mind. Affected versions of this package are vulnerable to Cross-site Scripting XSS via the renderHTMLElement function. An attacker can inject arbitrary event-handler attributes or sibling...

GHSA-F48W-9M4C-M7F5 Astro: XSS via unescaped spread attribute names in renderHTMLElement (incomplete fix for CVE-2026-54298)

Summary The fix for CVE-2026-54298 GHSA-jrpj-wcv7-9fh9 added an INVALIDATTRNAMECHAR guard to addAttribute so that spread-prop attribute names containing "' /= or whitespace are dropped. A second attribute-rendering path, renderHTMLElement in packages/astro/src/runtime/server/render/dom.ts, has it...

Astro: Cross-site scripting via unescaped transition:* directive values on hydrated islands

Summary When a transition:persist, transition:scope, or transition:persist-props directive is applied to a client-hydrated client: component, Astro copied the directive value onto the rendered element without HTML-escaping it. If a developer reflects attacker-controlled input into one of these...

PT-2026-61809

Name of the Vulnerable Software and Affected Versions Astro versions prior to 7.0.6 Description A cross-site scripting XSS issue exists when the software is used with an SSR runtime that exposes a global HTMLElement such as Deno, Bun with a DOM shim, or jsdom/happy-dom in Node and a class extendi...

PT-2026-61807

Name of the Vulnerable Software and Affected Versions Astro versions 3.10.0 through 7.0.3 Description Astro fails to HTML-escape values for specific transition directives when applied to client-hydrated components. This occurs within the generateHydrateScript function, where the transition:persis...

Important: libXfont2

Issue Overview: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 PCF Font Parsing Heap Buffer Overflow CVE-2026-56002 computeProps Property Buffer Heap Buffer Overflow CVE-2026-56003 Affected Packages: libXfont2 Issue Correction: Run dnf update libXfont2 --releasever...

SUSE-SU-2026:22614-1 Security update for libXfont2

This update for libXfont2 fixes the following issues - CVE-2026-56001: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow bsc1269018. - CVE-2026-56002: PCF Font Parsing Heap Buffer Overflow bsc1269019. - CVE-2026-56003: computeProps Property Buffer Heap Buffer Overflow bsc1269020...

CVE-2026-57451

A flaw in Vim allows an attacker to cause a Denial of Service DoS via an application crash. If a user opens a maliciously crafted undo file, an out-of-bounds read is triggered in the gettextprops function due to missing length validation on property counts. Mitigation Users are advised to avoid...

CVE-2026-57451

Vim is an open source, command line text editor. Prior to 9.2.0670, gettextprops in src/textprop.c reads a uint16 property count stored inline after a line's text and returns it as the number of 32-byte textpropT entries that follow. The only check is a floor that guarantees room for a single...

CVE-2026-57451 Vim: Out-of-bounds Read in Text Property Count

Vim is an open source, command line text editor. Prior to 9.2.0670, gettextprops in src/textprop.c reads a uint16 property count stored inline after a line's text and returns it as the number of 32-byte textpropT entries that follow. The only check is a floor that guarantees room for a single...

CVE-2026-54298

Astro is a web framework. Prior to 6.4.6, the spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax ...props ...

PT-2026-51053

Name of the Vulnerable Software and Affected Versions symfony/ux-live-component versions prior to 2.x and 3.x Description An issue exists in the SymfonyUXLiveComponentLiveComponentHydrator where the HMAC Hash-based Message Authentication Code used to protect read-only props and the propsFromParen...

PT-2026-51049

Name of the Vulnerable Software and Affected Versions Symfony UX versions 2.8.0 through 2.35.0 Symfony UX versions 3.0.0 through 3.0.x Description When a LiveProp is typed as a DateTimeInterface and no explicit format is configured, the function hydrateObjectValue in...

NPM: Astro: XSS via Unescaped Attribute Names in Spread Props

NPM: Astro: XSS via Unescaped Attribute Names in Spread Props vulnerability discovered by ? in WordPress Npm astro versions 6.4.6...

Astro: XSS via Unescaped Attribute Names in Spread Props

Summary The spreadAttributes function in Astro's server-side rendering pipeline iterates over object keys and passes them directly to addAttribute, which interpolates the key into the HTML output without escaping. When a developer uses the spread syntax ...props on an HTML element and the object...

PT-2026-49739

Name of the Vulnerable Software and Affected Versions Astro versions prior to 6.4.6 Description The spreadAttributes function in the server-side rendering pipeline iterates over object keys and passes them to the addAttribute function, which interpolates the key into the HTML output without...

CVE-2026-46342

Nuxt is an open-source web development framework for Vue.js. In Nuxt versions 3.1.0 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6 and @nuxt/nitro-server versions 3.20.0 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6, the /nuxtisland/ endpoint accepts attacker-controlled props query/body...

CVE-2026-46342 Nuxt: `__nuxt_island` endpoint does not bind responses to request props, enabling shared-cache poisoning

Nuxt is an open-source web development framework for Vue.js. In Nuxt versions 3.1.0 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6 and @nuxt/nitro-server versions 3.20.0 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6, the /nuxtisland/ endpoint accepts attacker-controlled props query/body...

EUVD-2026-36418

Nuxt is an open-source web development framework for Vue.js. In Nuxt versions 3.1.0 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6 and @nuxt/nitro-server versions 3.20.0 to before 3.21.6 and 4.0.0-alpha.1 to before 4.4.6, the /nuxtisland/ endpoint accepts attacker-controlled props query/body...