Skip to content
Ubuntu Poppler Update Addresses Denial of Service Vulnerability

Ubuntu Poppler Update Addresses Denial of Service Vulnerability

First seen 21 Oct 2026, 19:41 UTC • •
API

Article Content

Browse articles
ThreatCluster AI
ThreatCluster •October 21, 2026 at 21:09 UTC
  • •Poppler vulnerability could lead to denial of service.
  • •Affected Ubuntu versions include 26.10, 26.04 LTS, 24.04 LTS, and 22.04 LTS.
  • •Users should update their systems to the latest package versions.

A vulnerability in the Poppler PDF rendering library was discovered, which improperly handled password length limits when decrypting certain encrypted PDF files. This flaw could allow an attacker to cause a denial of service by opening specially crafted files. The issue affects multiple versions of the Poppler library across various Ubuntu releases, including 26.10, 26.04 LTS, 24.04 LTS, and 22.04 LTS. Users are advised to update their systems to the latest package versions to mitigate the risk. A standard system update will apply the necessary changes. The vulnerability has been assigned the identifier USN-8950-1.

Start a free Starter trial for enhanced analysis

Ask AI about this cluster

Updated just now How this analysis works

Timeline

2026-10-21
Poppler vulnerability disclosed
A flaw in Poppler affecting password handling for encrypted PDFs was reported, allowing potential denial of service.
Linuxsecurity
2026-10-21
Patch released for Poppler
Ubuntu released updates for affected Poppler library versions to fix the denial of service vulnerability.
Ubuntu

More articles in this cluster (2)

Following this threat?

Track Ubuntu in your own feed — you're alerted when they show up in new reporting, leak sites or exploitation.

Free account · no card needed

Extracted Entities (2)

1 / 2

Common questions

Which versions of Poppler are affected?
The vulnerability affects Poppler versions in Ubuntu 26.10, 26.04 LTS, 24.04 LTS, and 22.04 LTS.
What is the nature of the vulnerability?
The vulnerability involves improper handling of password length limits in encrypted PDFs, leading to potential denial of service.
How can I mitigate this vulnerability?
Users should perform a standard system update to install the latest package versions of Poppler.