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oesa-2026-1686
Vulnerability from osv_openeuler
Published
2026-03-20 11:10
Modified
2026-08-06 11:10
Summary
OpenEXR security update
Details

OpenEXR is a high dynamic-range (HDR) image file format originally developed by Industrial Light & Magic for use in computer imaging applications.

Security Fix(es):

OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in vector<unsigned int> total_sizes for attacker-controlled large counts across many parts, total_sizes[ptr] wraps modulo 2^32. overall_sample_count is then derived from wrapped totals and used in samples[channel].resize(overall_sample_count). Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (generic_unpack_deep_pointers) overrun the undersized composite sample buffer. This vulnerability is fixed in v3.2.6, v3.3.8, and v3.4.6.(CVE-2026-27622)

Severity
8.4 (High)
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "aarch64": [
          "OpenEXR-3.1.11-5.oe2403.aarch64.rpm",
          "OpenEXR-debuginfo-3.1.11-5.oe2403.aarch64.rpm",
          "OpenEXR-debugsource-3.1.11-5.oe2403.aarch64.rpm",
          "OpenEXR-devel-3.1.11-5.oe2403.aarch64.rpm",
          "OpenEXR-libs-3.1.11-5.oe2403.aarch64.rpm"
        ],
        "src": [
          "OpenEXR-3.1.11-5.oe2403.src.rpm"
        ],
        "x86_64": [
          "OpenEXR-3.1.11-5.oe2403.x86_64.rpm",
          "OpenEXR-debuginfo-3.1.11-5.oe2403.x86_64.rpm",
          "OpenEXR-debugsource-3.1.11-5.oe2403.x86_64.rpm",
          "OpenEXR-devel-3.1.11-5.oe2403.x86_64.rpm",
          "OpenEXR-libs-3.1.11-5.oe2403.x86_64.rpm"
        ]
      },
      "package": {
        "ecosystem": "openEuler:24.03-LTS",
        "name": "OpenEXR",
        "purl": "pkg:rpm/openEuler/OpenEXR\u0026distro=openEuler-24.03-LTS"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.11-5.oe2403"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "severity": "High"
  },
  "details": "OpenEXR is a high dynamic-range (HDR) image file format originally developed by Industrial Light \u0026amp;amp; Magic for use in computer imaging applications.\r\n\r\nSecurity Fix(es):\n\nOpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in vector\u0026lt;unsigned int\u0026gt; total_sizes for attacker-controlled large counts across many parts, total_sizes[ptr] wraps modulo 2^32.  overall_sample_count is then derived from wrapped totals and used in samples[channel].resize(overall_sample_count). Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (generic_unpack_deep_pointers) overrun the undersized composite sample buffer. This vulnerability is fixed in v3.2.6, v3.3.8, and v3.4.6.(CVE-2026-27622)",
  "id": "OESA-2026-1686",
  "modified": "2026-08-06T11:10:43Z",
  "published": "2026-03-20T11:10:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-1686"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-27622"
    }
  ],
  "schema_version": "1.7.2",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OpenEXR security update",
  "upstream": [
    "CVE-2026-27622"
  ]
}



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