CVE-2026-24688

CVE-2026-24688 - pypdf - Circular Reference DoS Vulnerability This repo includes proof of concept code for triggering CVE-2026-24688. Summary Critical Denial of Service vulnerability in pypdf's outline bookmark parsing logic. When processing a PDF with circular outline references, the parser ente...

cve-2026-24688

CVE-2026-24688 - pypdf - Circular Reference DoS Vulnerability This repo includes proof of concept code for triggering CVE-2026-24688. Summary Critical Denial of Service vulnerability in pypdf's outline bookmark parsing logic. When processing a PDF with circular outline references, the parser ente...

CVE-2026-113792

A flaw was found in pypdf. A remote attacker can trigger a Denial of Service DoS by supplying a specially crafted PDF document containing a cyclic outline structure. When the application inspects the document using the outline search function PdfWriter.findoutlineitem, it enters an infinite loop...

GHSA-9MX8-4J7G-633P pypdf: Possible infinite loop when removing tree items

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires removing an object from a tree, for example an outline item. Patches This has been fixed in pypdf==6.20.1. Workarounds If you cannot upgrade yet, consider applying the changes from PR 418...

pypdf: Possible infinite loop when removing tree items

Impact An attacker who uses this vulnerability can craft a PDF which leads to an infinite loop. This requires removing an object from a tree, for example an outline item. Patches This has been fixed in pypdf==6.20.1. Workarounds If you cannot upgrade yet, consider applying the changes from PR 418...

Infinite loop

Overview pypdf is an A pure-python PDF library capable of splitting, merging, cropping, and transforming PDF files Affected versions of this package are vulnerable to Infinite loop via TreeObject.removechild and PdfWriter.findoutlineitem when processing a PDF containing a cyclic outline bookmark...

CVE-2026-113611

Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDeletedProcessor never disables their WebhookSubscription rows. Former admins who registered webhooks before deletion continue receiving ful...

CVE-2026-113611 Outline before 1.8.0 Information Disclosure via Orphaned Webhook Subscriptions

Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDeletedProcessor never disables their WebhookSubscription rows. Former admins who registered webhooks before deletion continue receiving ful...

CVE-2026-113611 Outline before 1.8.0 Information Disclosure via Orphaned Webhook Subscriptions

Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDeletedProcessor never disables their WebhookSubscription rows. Former admins who registered webhooks before deletion continue receiving ful...

CVE-2026-113611

Versions of Outline prior to 1.8.0 are vulnerable to an improper access revocation flaw. The UserDeletedProcessor fails to disable WebhookSubscription rows when an administrator is deleted. Consequently, former administrators who registered webhooks before their account deletion continue to recei...

CVE-2026-113611 Outline before 1.8.0 Information Disclosure via Orphaned Webhook Subscriptions

Outline before 1.8.0 contains an improper access revocation vulnerability that allows deleted administrators to keep receiving document contents because UserDeletedProcessor never disables their WebhookSubscription rows. Former admins who registered webhooks before deletion continue receiving ful...

PT-2026-118471

Name of the Vulnerable Software and Affected Versions Outline versions prior to 1.8.0 Description An improper access revocation issue exists where deleted administrators continue to receive document contents. This occurs because the UserDeletedProcessor fails to disable WebhookSubscription rows...

CLSA-2026-1792418997 TuxCare security update for @storybook/addon-outline (1 CVE)

TuxCare rebuilt @storybook/addon-outline to address 1 CVE. Fixed in 7.0.7-tuxcare.1...

Pillow improper exception handling vulnerabilities

Pillow versions from 10.0.0 to 13.0.0 have a security vulnerability. This vulnerability arises when using the outline renderer for FreeType rendering. After the FTLoadGlyph function fails, the cleanup process may call FTDoneGlyph on glyph variables that are not initialized or invalid. Attackers c...

Astra Linux – Vulnerability in libass

In libass 0.14.0, the call to assoutlineconstruct's outlinestroke function causes a signed integer overflow...

Astra Linux – Vulnerability in poppler-22

A vulnerability in Outline.cc for Poppler prior to version 23.06.0 allows a remote attacker to cause a Denial of Service DoS attack through a crafted PDF file using the OutlineItem::open method...

PT-2026-111633

An issue in libass v.0.17.5 allows a remote attacker to cause a denial of service via the ass outline construct in libass/ass render.c...

EUVD-2026-57811

SiYuan: Outline state for any document, including documents forbidden to readers, is returned by /api/storage/getOutlineStorage with no access check...

PT-2026-105482

Summary /api/storage/getOutlineStorage is registered with CheckAuth only and performs no authorization of any kind. Given a document identifier it returns that document's stored outline state, regardless of the document's publish tier. The two write endpoints for the same data, setOutlineStorage...

Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 24.04 LTS / 26.04 LTS : libass vulnerabilities (USN-8815-1)

The remote Ubuntu 14.04 LTS / 18.04 LTS / 20.04 LTS / 24.04 LTS / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8815-1 advisory. It was discovered that libass incorrectly handled parsing operations for specific nested character string...