USN-7831-1: Erlang vulnerabilities

Published Oct 21, 2025
·
Updated

It was discovered that Erlang incorrectly handled resource allocation and consumption in the SFTP SSH module. An attacker could possibly use this issue cause Erlang to consume excessive resources, leading to a denial of service.

Affected Software

32 affected componentsFixes available
All of the following
ubuntu/erlang<1:27.3.4.1+dfsg-1ubuntu0.1
1:27.3.4.1+dfsg-1ubuntu0.1
Ubuntu Ubuntu=25.10
All of the following
ubuntu/erlang-ssh<1:27.3.4.1+dfsg-1ubuntu0.1
1:27.3.4.1+dfsg-1ubuntu0.1
Ubuntu Ubuntu=25.10
All of the following
ubuntu/erlang<1:27.3+dfsg-1ubuntu1.3
1:27.3+dfsg-1ubuntu1.3
Ubuntu Ubuntu=25.04
All of the following
ubuntu/erlang-ssh<1:27.3+dfsg-1ubuntu1.3
1:27.3+dfsg-1ubuntu1.3
Ubuntu Ubuntu=25.04
All of the following
ubuntu/erlang<1:25.3.2.8+dfsg-1ubuntu4.5
1:25.3.2.8+dfsg-1ubuntu4.5
Ubuntu Ubuntu=24.04
All of the following
ubuntu/erlang-ssh<1:25.3.2.8+dfsg-1ubuntu4.5
1:25.3.2.8+dfsg-1ubuntu4.5
Ubuntu Ubuntu=24.04
All of the following
ubuntu/erlang<1:24.2.1+dfsg-1ubuntu0.6
1:24.2.1+dfsg-1ubuntu0.6
Ubuntu Ubuntu=22.04
All of the following
ubuntu/erlang-ssh<1:24.2.1+dfsg-1ubuntu0.6
1:24.2.1+dfsg-1ubuntu0.6
Ubuntu Ubuntu=22.04
All of the following
ubuntu/erlang<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/erlang-ssh<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=20.04
All of the following
ubuntu/erlang<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/erlang-ssh<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=18.04
All of the following
ubuntu/erlang<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/erlang-ssh<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=16.04
All of the following
ubuntu/erlang<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04
All of the following
ubuntu/erlang-ssh<Ubuntu Pro
Ubuntu Pro
Ubuntu Ubuntu=14.04

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade ubuntu/erlang to a version that resolves this vulnerability.

    Fixed in 1:27.3.4.1+dfsg-1ubuntu0.1
  2. Upgrade

    Upgrade ubuntu/erlang-ssh to a version that resolves this vulnerability.

    Fixed in 1:27.3.4.1+dfsg-1ubuntu0.1
  3. Upgrade

    Upgrade ubuntu/erlang to a version that resolves this vulnerability.

    Fixed in 1:27.3+dfsg-1ubuntu1.3
  4. Upgrade

    Upgrade ubuntu/erlang-ssh to a version that resolves this vulnerability.

    Fixed in 1:27.3+dfsg-1ubuntu1.3
  5. Upgrade

    Upgrade ubuntu/erlang to a version that resolves this vulnerability.

    Fixed in 1:25.3.2.8+dfsg-1ubuntu4.5
  6. Upgrade

    Upgrade ubuntu/erlang-ssh to a version that resolves this vulnerability.

    Fixed in 1:25.3.2.8+dfsg-1ubuntu4.5
  7. Upgrade

    Upgrade ubuntu/erlang to a version that resolves this vulnerability.

    Fixed in 1:24.2.1+dfsg-1ubuntu0.6
  8. Upgrade

    Upgrade ubuntu/erlang-ssh to a version that resolves this vulnerability.

    Fixed in 1:24.2.1+dfsg-1ubuntu0.6
  9. Upgrade

    Upgrade ubuntu/erlang to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro
  10. Upgrade

    Upgrade ubuntu/erlang-ssh to a version that resolves this vulnerability.

    Fixed in Ubuntu Pro

Event History

Oct 21, 2025
Advisory Published
via Ubuntu·12:00 AM
Data Sourced
via Ubuntu·12:00 AM
DescriptionAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

Company

Resources

Contact

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