CVE-2026-110926

MEDIUMCVSS 5.3

Description

A flaw was found in OpenSSH. When compression is negotiated, channels on the same connection share one LZ77 dictionary. A peer who can write on one channel can recover plaintext from another channel by chosen-plaintext lengths.

Timeline

Published:October 15th, 2026 6:17 AM

Last modified:October 15th, 2026 8:17 PM

CVSS Scoring

CVSS v3: 5.3 (MEDIUM)

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-203

References & Reports

Advisories, patches, and third-party reports

https://access.redhat.com/errata/RHSA-2026:82247
https://access.redhat.com/security/cve/CVE-2026-110926
https://bugzilla.redhat.com/show_bug.cgi?id=2553035

Source: NIST NVD · Data may lag official sources by up to one minute