Ubuntu USN-8837-1 Fixes pdfminer Vulnerabilities
Tech GuruQuick Answer
Ubuntu published USN-8837-1 for pdfminer vulnerabilities. Inventory the listed Ubuntu releases, match the installed source package to the notice, apply the supported fixed package from Ubuntu's security channel, validate dependent workloads, and retain package and change evidence. Ubuntu does not state a CVSS base score in this notice.
Confirm Scope And Apply The Supported Fix
What to do now: Locate systems covered by USN-8837-1, record the installed source-package version and Ubuntu release, apply the matching authority-provided fixed package, restart affected services or workloads when required, validate operation, and preserve package-manager and service evidence.
Last verified: 2026-09-28 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | pdfminer vulnerabilities on Ubuntu 24.04 LTS (noble), Ubuntu 22.04 LTS (jammy), Ubuntu 20.04 ESM (focal), Ubuntu 18.04 ESM (bionic), Ubuntu 16.04 ESM (xenial) |
|---|---|
| Advisory | USN-8837-1 |
| CVEs | CVE-2025-64512, CVE-2025-70559 |
| Authoritative release date | 2026-09-28 14:43:34.219690 UTC |
| Authority revision date | No separate material revision date is stated by Ubuntu; verified against the first-party notice API. |
| Affected versions | The Ubuntu releases and source packages enumerated in USN-8837-1: Ubuntu 24.04 LTS (noble), Ubuntu 22.04 LTS (jammy), Ubuntu 20.04 ESM (focal), Ubuntu 18.04 ESM (bionic), Ubuntu 16.04 ESM (xenial). |
| Fixed version | bionic: pdfminer 20140328+dfsg-1ubuntu0.18.04.1~esm1 / focal: pdfminer 20191020+dfsg-2ubuntu0.1~esm1 / jammy: pdfminer 20220319+dfsg-1ubuntu0.1~esm1 / noble: pdfminer 20221105+dfsg-1ubuntu0.1~esm1 / xenial: pdfminer 20140328+dfsg-1ubuntu0.16.04.1~esm1 |
| CVSS base score | Not provided by the authority |
| CVSS severity | Not provided by the authority |
| Exploitation status | Not stated by the authority; no exploitation claim is inferred. |
What Changed
pdfminer could be made to run programs as your login if it opened a specially crafted file. In general, a standard system update will make all the necessary changes.
What To Validate Now
- Inventory. Locate systems, images, and containers running the Ubuntu releases listed in USN-8837-1; record source-package versions, repositories, enabled services or consuming applications, exposure, owner, and dependencies.
- Establish applicability. Compare installed source packages and Ubuntu releases with USN-8837-1. Do not infer scope for another release, an upstream build, or a similarly named binary package.
- Remediate. Install the notice's exact fixed source-package build through the supported Ubuntu security or ESM channel for the matching release, following current Ubuntu instructions and change control.
- Validate. Confirm the resulting source-package version, restart or reload affected services when Ubuntu tooling requires it, exercise representative workflows and recovery paths, monitor for regressions, and document exceptions.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
Some listed fixes are delivered through Ubuntu Pro or ESM. Confirm entitlement and repository state before the change, use the exact supported release stream, and test dependent services, clusters, and rollback. Severity alone is not evidence of exploitation.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.
