Skip to content
Heist/ feed
UnratedFix available

UBUNTU-CVE-2026-94055

Type: advisorySource: OSV1 source record

Exim before 4.100.1, when certain non-default TLS settings are used with GnuTLS, has a use-after-free.

Announced Group revision 1
Original source ↗

UBUNTU-CVE-2026-94055

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:UBUNTU-CVE-2026-94055

exim4

Source reference: /affected/0/package/name

Affected versions
4.98.2-1ubuntu2

Source reference: /affected/0/versions

4.99-4ubuntu1

Source reference: /affected/0/versions

4.99.1-1ubuntu1

Source reference: /affected/0/versions

4.99.1-1ubuntu1.1

Source reference: /affected/0/versions

4.99.1-1ubuntu1.2

Source reference: /affected/0/versions

4.99.1-1ubuntu1.3

Source reference: /affected/0/versions

4.99.1-1ubuntu1.4

Source reference: /affected/0/versions

Fixed versions
4.99.1-1ubuntu1.5

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "4.99.1-1ubuntu1.5"
          }
        ]
      }
    ],
    "package": {
      "name": "exim4",
      "purl": "pkg:deb/ubuntu/exim4?arch=source&distro=resolute",
      "ecosystem": "Ubuntu:26.04:LTS"
    },
    "versions": [
      "4.98.2-1ubuntu2",
      "4.99-4ubuntu1",
      "4.99.1-1ubuntu1",
      "4.99.1-1ubuntu1.1",
      "4.99.1-1ubuntu1.2",
      "4.99.1-1ubuntu1.3",
      "4.99.1-1ubuntu1.4"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-94055.json"
    },
    "ecosystem_specific": {
      "binaries": [
        {
          "binary_name": "exim4",
          "binary_version": "4.99.1-1ubuntu1.5"
        },
        {
          "binary_name": "exim4-base",
          "binary_version": "4.99.1-1ubuntu1.5"
        },
        {
          "binary_name": "exim4-config",
          "binary_version": "4.99.1-1ubuntu1.5"
        },
        {
          "binary_name": "exim4-daemon-heavy",
          "binary_version": "4.99.1-1ubuntu1.5"
        },
        {
          "binary_name": "exim4-daemon-light",
          "binary_version": "4.99.1-1ubuntu1.5"
        },
        {
          "binary_name": "eximon4",
          "binary_version": "4.99.1-1ubuntu1.5"
        }
      ],
      "availability": "No subscription required"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#23444 · Revision 1
Added to Heist Feed
Publisher date
Read the original announcement