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CVE-2026-110926

CVE-2026-110926 · UBUNTU-CVE-2026-110926

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 5.3 · Medium

Published
Updated

Stack: system

Affected products and versions

  • openssh-ssh1 Ubuntu:18.04:LTS

    Versions
    • 1:7.5p1-8
    • 1:7.5p1-9
    • 1:7.5p1-9build1
    • 1:7.5p1-10
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • openssh-ssh1 Ubuntu:20.04:LTS

    Versions
    • 1:7.5p1-11build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • openssh-ssh1 Ubuntu:22.04:LTS

    Versions
    • 1:7.5p1-12
    • 1:7.5p1-12build1
    • 1:7.5p1-13
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • openssh-ssh1 Ubuntu:24.04:LTS

    Versions
    • 1:7.5p1-14
    • 1:7.5p1-15
    • 1:7.5p1-15build1
    • 1:7.5p1-16
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • openssh-ssh1 Ubuntu:26.10

    Versions
    • 1:7.5p1-18
    • 1:7.5p1-18ubuntu1
    • 1:7.5p1-18ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • openssh-ssh1 Ubuntu:26.04:LTS

    Versions
    • 1:7.5p1-17
    • 1:7.5p1-18
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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