USN-9063-1: Yodl vulnerability
USN-9063-1
Summary
It was discovered that phpseclib did not perform constant-time padding validation when using AES in CBC mode. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-32935)
It was discovered that phpseclib did not use a constant-time comparison when validating SSH packet authentication codes. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-40194)
It was discovered that phpseclib did not properly limit object identifier lengths when parsing ASN.1 data. An attacker could possibly use this issue to cause phpseclib to use excessive resources, leading to a denial of service. (CVE-2026-44167)
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
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.