UnratedFix available

DEBIAN-CVE-2026-21619

Type: advisorySource: OSV1 source record

Uncontrolled Resource Consumption, Deserialization of Untrusted Data vulnerability in hexpm hex_core (hex_api modules), hexpm hex (mix_hex_api modules), erlang rebar3 (r3_hex_api modules) allows Object Injection, Excessive Allocation. This vulnerability is associated with program files src/hex_api.erl, src/mix_hex_api.erl, apps/rebar/src/vendored/r3_hex_api.erl and program routines hex_core:request/4, mix_hex_api:request/4, r3_hex_api:request/4. This issue affects hex_core: from 0.1.0 before 0.12.1; hex: from 2.3.0 before 2.3.2; rebar3: from 3.9.1 before 3.27.0.

Announced 27 Feb 2026Source revision 1

Original source ↗

DEBIAN-CVE-2026-21619

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:DEBIAN-CVE-2026-21619

erlang-hex

Source reference: /affected/0/package/name

Affected versions: 2.0.6-2
Source reference: /affected/0/versions
2.4.2-1
Source reference: /affected/0/versions
2.4.2-2
Source reference: /affected/0/versions
2.5.1-1
Source reference: /affected/0/versions
2.5.1-2
Source reference: /affected/0/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

erlang-hex

Source reference: /affected/1/package/name

Affected versions: 2.0.6-2
Source reference: /affected/1/versions
2.4.2-1
Source reference: /affected/1/versions
Fixed versions: 2.4.2-2
Source reference: /affected/1/ranges
Prerequisites: Not stated in this record

rebar3

Source reference: /affected/2/package/name

Affected versions: 3.19.0-1
Source reference: /affected/2/versions
3.23.0-1
Source reference: /affected/2/versions
3.23.0-2
Source reference: /affected/2/versions
3.23.0-3
Source reference: /affected/2/versions
3.24.0-1
Source reference: /affected/2/versions
3.25.1-1
Source reference: /affected/2/versions
3.26.0-1
Source reference: /affected/2/versions
3.27.0-1
Source reference: /affected/2/versions
3.27.0-2
Source reference: /affected/2/versions
3.27.0-3
Source reference: /affected/2/versions
3.27.0-4
Source reference: /affected/2/versions
3.27.0-5
Source reference: /affected/2/versions
3.27.0-6
Source reference: /affected/2/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

rebar3

Source reference: /affected/3/package/name

Affected versions: 3.24.0-1
Source reference: /affected/3/versions
3.25.1-1
Source reference: /affected/3/versions
3.26.0-1
Source reference: /affected/3/versions
3.27.0-1
Source reference: /affected/3/versions
3.27.0-2
Source reference: /affected/3/versions
3.27.0-3
Source reference: /affected/3/versions
3.27.0-4
Source reference: /affected/3/versions
3.27.0-5
Source reference: /affected/3/versions
3.27.0-6
Source reference: /affected/3/versions
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

rebar3

Source reference: /affected/4/package/name

Affected versions: 3.24.0-1
Source reference: /affected/4/versions
3.25.1-1
Source reference: /affected/4/versions
3.26.0-1
Source reference: /affected/4/versions
Fixed versions: 3.27.0-1
Source reference: /affected/4/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"
          }
        ]
      }
    ],
    "package": {
      "name": "erlang-hex",
      "purl": "pkg:deb/debian/erlang-hex?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "2.0.6-2",
      "2.4.2-1",
      "2.4.2-2",
      "2.5.1-1",
      "2.5.1-2"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-21619.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "2.4.2-2"
          }
        ]
      }
    ],
    "package": {
      "name": "erlang-hex",
      "purl": "pkg:deb/debian/erlang-hex?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "2.0.6-2",
      "2.4.2-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-21619.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "rebar3",
      "purl": "pkg:deb/debian/rebar3?arch=source&distro=bookworm",
      "ecosystem": "Debian:12"
    },
    "versions": [
      "3.19.0-1",
      "3.23.0-1",
      "3.23.0-2",
      "3.23.0-3",
      "3.24.0-1",
      "3.25.1-1",
      "3.26.0-1",
      "3.27.0-1",
      "3.27.0-2",
      "3.27.0-3",
      "3.27.0-4",
      "3.27.0-5",
      "3.27.0-6"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-21619.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          }
        ]
      }
    ],
    "package": {
      "name": "rebar3",
      "purl": "pkg:deb/debian/rebar3?arch=source&distro=trixie",
      "ecosystem": "Debian:13"
    },
    "versions": [
      "3.24.0-1",
      "3.25.1-1",
      "3.26.0-1",
      "3.27.0-1",
      "3.27.0-2",
      "3.27.0-3",
      "3.27.0-4",
      "3.27.0-5",
      "3.27.0-6"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-21619.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  },
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "3.27.0-1"
          }
        ]
      }
    ],
    "package": {
      "name": "rebar3",
      "purl": "pkg:deb/debian/rebar3?arch=source&distro=forky",
      "ecosystem": "Debian:14"
    },
    "versions": [
      "3.24.0-1",
      "3.25.1-1",
      "3.26.0-1"
    ],
    "database_specific": {
      "source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-21619.json"
    },
    "ecosystem_specific": {
      "urgency": "not yet assigned"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event: #57494 · Revision 1
Added to Heist Feed: Sun, 25 Oct 2026 17:17:59 GMT
Publisher date: Fri, 27 Feb 2026 18:16:11 GMT

Read the original announcement