EUVD-2026-94066

The Gitea API endpoint GET /api/v1/repos/owner/repo/media/filepath wrote files of up to 1 KiB that are stored directly in Git, not in LFS, to the response without the content type and disposition headers Gitea uses for user content. An HTML file committed to a repository was therefore rendered by...

CVE-2026-96594 Gitea repository media API stored XSS

The Gitea API endpoint GET /api/v1/repos/owner/repo/media/filepath wrote files of up to 1 KiB that are stored directly in Git, not in LFS, to the response without the content type and disposition headers Gitea uses for user content. An HTML file committed to a repository was therefore rendered by...

python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations

A flaw was found in Python. Its incremental HTML parser can be exploited by a remote attacker. By sending specially crafted, uncontrolled data with repeated, incomplete markup declarations, the attacker can cause the system to consume excessive central processing unit CPU resources. This leads to...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: Sandbox escape due to use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the DOM: Core & HTML component...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: firefox: Sandbox escape via use-after-free in DOM component

A flaw was found in Firefox. A use-after-free memory flaw in the Document Object Model DOM Core and HTML component allows a remote attacker to perform a sandbox escape. By enticing a user to visit a specially crafted web page, an attacker can leverage this vulnerability to execute arbitrary code...

CLSA-2026-1791320512 osbuild-composer: Fix of CVE-2026-42502

CVE-2026-42502: treat foster-parented raw-text elements in foreign content as escaped rather than literal in the vendored golang.org/x/net/html renderer, preventing a cross-site scripting bypass when a parsed tree is re-rendered...

CVE-2026-103667

Gitea's container registry served blob downloads with a Content-Type taken from the media type declared in pushed image manifests, without a Content-Disposition or restrictive content security policy. A user who can push container images can publish a blob containing HTML and JavaScript with a...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: Sandbox escape due to use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to use-after-free in the DOM: Core & HTML component...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: thunderbird: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: Use-after-free in the DOM: Core & HTML component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Core & HTML component...

firefox: firefox: Sandbox escape via use-after-free in DOM component

A flaw was found in Firefox. A use-after-free memory flaw in the Document Object Model DOM Core and HTML component allows a remote attacker to perform a sandbox escape. By enticing a user to visit a specially crafted web page, an attacker can leverage this vulnerability to execute arbitrary code...

EUVD-2026-93910

Gitea's container registry served blob downloads with a Content-Type taken from the media type declared in pushed image manifests, without a Content-Disposition or restrictive content security policy. A user who can push container images can publish a blob containing HTML and JavaScript with a...