--- title: "CVE-2025-52886\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2025-52886?format=md keywords: index, follow --- # CVE-2025-52886 Publication date 2 July 2025 Last updated 6 August 2025 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## Description Poppler is a PDF rendering library. Versions prior to 25.06.0 use `std::atomic\_int` for reference counting. Because `std::atomic\_int` is only 32 bits, it is possible to overflow the reference count and trigger a use-after-free. Version 25.06.0 patches the issue. [Read the notes from the security team](https://ubuntu.com/security/CVE-2025-52886?format=md#notes) ## Status Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | poppler | 25.04 plucky | Fixed 25.03.0-3ubuntu1.1 | | 24.10 oracular | Ignored end of life, was needs-triage | | 24.04 LTS noble | Fixed 24.02.0-1ubuntu9.5 | | 22.04 LTS jammy | Fixed 22.02.0-2ubuntu0.9 | | 20.04 LTS focal | Fixed 0.86.1-0ubuntu1.7+esm1 Ubuntu Pro | | 18.04 LTS bionic | Fixed 0.62.0-2ubuntu2.14+esm7 Ubuntu Pro | | 16.04 LTS xenial | Fixed 0.41.0-0ubuntu1.16+esm7 Ubuntu Pro | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) * [Patch details](https://ubuntu.com/security/CVE-2025-52886?format=md#patch-details) ### Get expanded security coverage with Ubuntu Pro Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use. [Get Ubuntu Pro](https://ubuntu.com/pro) [30-day free trial](https://ubuntu.com/pro/free-trial) ## Notes --- ### [mdeslaur](https://launchpad.net/~mdeslaur) There was a major refactoring before the commit below: https://gitlab.freedesktop.org/poppler/poppler/-/merge\_requests/1794 https://gitlab.freedesktop.org/poppler/poppler/-/commit/3449a16d3b1389870eb3e20795e802c6ae8bc04f ### Patch details For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) | Package | Patch details | | --- | --- | | poppler | * Upstream: [ac36aff](https://gitlab.freedesktop.org/poppler/poppler/-/commit/ac36affcc8486de38e8905a8d6547a3464ff46e5) | ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-52886) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-52886) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-52886) * [Debian](https://security-tracker.debian.org/tracker/CVE-2025-52886) ### Related Ubuntu Security Notices (USN) + [USN-7675-1](https://usn.ubuntu.com/USN-7675-1) + poppler vulnerability + 28 July 2025 + [USN-7687-1](https://usn.ubuntu.com/USN-7687-1) + poppler vulnerabilities + 6 August 2025 ### Other references * * *