HighFix available

UBUNTU-CVE-2026-50593

Type: advisorySource: OSV1 source record

Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within the allowed slot-map range.

Announced 5 Jun 2026Group revision 1

Original source ↗

UBUNTU-CVE-2026-50593

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-2026-50593

graphite2

Source reference: /affected/0/package/name

Affected versions: 1.2.3-1
Source reference: /affected/0/versions
1.2.4-1
Source reference: /affected/0/versions
1.2.4-1ubuntu1
Source reference: /affected/0/versions
1.2.4-1ubuntu1.1
Source reference: /affected/0/versions
1.3.6-1ubuntu0.14.04.1
Source reference: /affected/0/versions
1.3.10-0ubuntu0.14.04.1
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

graphite2

Source reference: /affected/1/package/name

Affected versions: 1.2.4-3ubuntu1
Source reference: /affected/1/versions
1.3.5-1ubuntu1
Source reference: /affected/1/versions
1.3.6-1ubuntu1
Source reference: /affected/1/versions
1.3.10-0ubuntu0.16.04.1
Source reference: /affected/1/versions
1.3.10-0ubuntu0.16.04.1+esm1
Source reference: /affected/1/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

graphite2

Source reference: /affected/2/package/name

Affected versions: 1.3.10-2
Source reference: /affected/2/versions
1.3.10-6
Source reference: /affected/2/versions
1.3.10-8
Source reference: /affected/2/versions
1.3.11-2
Source reference: /affected/2/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

graphite2

Source reference: /affected/3/package/name

Affected versions: 1.3.13-8
Source reference: /affected/3/versions
1.3.13-11
Source reference: /affected/3/versions
1.3.13-11build1
Source reference: /affected/3/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

graphite2

Source reference: /affected/4/package/name

Affected versions: 1.3.14-1
Source reference: /affected/4/versions
1.3.14-1build1
Source reference: /affected/4/versions
1.3.14-1build2
Source reference: /affected/4/versions
Fixed versions: 1.3.14-1ubuntu0.1
Source reference: /affected/4/ranges
Prerequisites: Not stated in this record

graphite2

Source reference: /affected/5/package/name

Affected versions: 1.3.14-1build2
Source reference: /affected/5/versions
1.3.14-2
Source reference: /affected/5/versions
1.3.14-2build1
Source reference: /affected/5/versions
Fixed versions: 1.3.14-2ubuntu0.24.04.1
Source reference: /affected/5/ranges
Prerequisites: Not stated in this record

graphite2

Source reference: /affected/6/package/name

Affected versions: 1.3.14-2ubuntu1
Source reference: /affected/6/versions
Fixed versions: 1.3.14-2ubuntu1.3
Source reference: /affected/6/ranges
Prerequisites: Not stated in this record

graphite2

Source reference: /affected/7/package/name

Affected versions: 1.3.14-2ubuntu1
Source reference: /affected/7/versions
1.3.14-11ubuntu1
Source reference: /affected/7/versions
Fixed versions: 1.3.14-11ubuntu1.1
Source reference: /affected/7/ranges
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

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      "ecosystem": "Ubuntu:14.04:LTS"
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      "1.2.4-1",
      "1.2.4-1ubuntu1",
      "1.2.4-1ubuntu1.1",
      "1.3.6-1ubuntu0.14.04.1",
      "1.3.10-0ubuntu0.14.04.1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50593.json"
    },
    "ecosystem_specific": {
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      "1.3.5-1ubuntu1",
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      "1.3.10-0ubuntu0.16.04.1+esm1"
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    "database_specific": {
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    "ranges": [
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    "versions": [
      "1.3.10-2",
      "1.3.10-6",
      "1.3.10-8",
      "1.3.11-2"
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    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50593.json"
    },
    "ecosystem_specific": {
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    "package": {
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      "ecosystem": "Ubuntu:20.04:LTS"
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    "versions": [
      "1.3.13-8",
      "1.3.13-11",
      "1.3.13-11build1"
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    "database_specific": {
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    },
    "ecosystem_specific": {
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          "binary_version": "1.3.13-11build1"
        },
        {
          "binary_name": "libgraphite2-utils",
          "binary_version": "1.3.13-11build1"
        },
        {
          "binary_name": "python3-graphite2",
          "binary_version": "1.3.13-11build1"
        }
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      "purl": "pkg:deb/ubuntu/graphite2?arch=source&distro=jammy",
      "ecosystem": "Ubuntu:22.04:LTS"
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    "versions": [
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      "1.3.14-1build1",
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    "database_specific": {
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          "binary_name": "libgraphite2-utils",
          "binary_version": "1.3.14-1ubuntu0.1"
        },
        {
          "binary_name": "python3-graphite2",
          "binary_version": "1.3.14-1ubuntu0.1"
        }
      ],
      "availability": "No subscription required"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "1.3.14-2ubuntu0.24.04.1"
          }
        ]
      }
    ],
    "package": {
      "name": "graphite2",
      "purl": "pkg:deb/ubuntu/graphite2?arch=source&distro=noble",
      "ecosystem": "Ubuntu:24.04:LTS"
    },
    "versions": [
      "1.3.14-1build2",
      "1.3.14-2",
      "1.3.14-2build1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50593.json"
    },
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          "binary_name": "libgraphite2-3",
          "binary_version": "1.3.14-2ubuntu0.24.04.1"
        },
        {
          "binary_name": "libgraphite2-utils",
          "binary_version": "1.3.14-2ubuntu0.24.04.1"
        },
        {
          "binary_name": "python3-graphite2",
          "binary_version": "1.3.14-2ubuntu0.24.04.1"
        }
      ],
      "availability": "No subscription required"
    }
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  {
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        "type": "ECOSYSTEM",
        "events": [
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          },
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          }
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      }
    ],
    "package": {
      "name": "graphite2",
      "purl": "pkg:deb/ubuntu/graphite2?arch=source&distro=questing",
      "ecosystem": "Ubuntu:25.10"
    },
    "versions": [
      "1.3.14-2ubuntu1"
    ],
    "database_specific": {
      "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-50593.json"
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          "binary_version": "1.3.14-2ubuntu1.3"
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          "binary_version": "1.3.14-2ubuntu1.3"
        },
        {
          "binary_name": "python3-graphite2",
          "binary_version": "1.3.14-2ubuntu1.3"
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    }
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          "binary_version": "1.3.14-11ubuntu1.1"
        }
      ],
      "availability": "No subscription required"
    }
  }
]

Related CVEs: CVE-2026-50593
Source reference: /upstream

Publisher severity

high

Source reference: /severity/0/score

Event: #85734 · Revision 1
Added to Heist Feed: Tue, 27 Oct 2026 03:57:42 GMT
Publisher date: Fri, 05 Jun 2026 04:17:00 GMT

Read the original announcement

Revision history

27 Oct 2026UBUNTU-CVE-2026-50593 · Revision 1Source updated