USN-8950-1: poppler vulnerability
USN-8950-1
Summary
Dominique Dumont discovered that YAML-LibYAML did not correctly handle certain reflection operations. If a user or system were tricked into opening a specially crafted file, an attacker could possibly use this issue to delete files. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2017-20285)
It was discovered that YAML-LibYAML did not correctly handle parsing certain documents. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-25777)
It was discovered that YAML-LibYAML contained a regular expression susceptible to catastrophic backtracking. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service. (CVE-2026-63676)
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
Separate remediation guidance was not included in the collected bulletin.
CVEs in this advisory 3
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
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- Confirmed at the source
Our collector saw this advisory during a later source check.