RHSA-2026:84796

Vulnerability from csaf_opensuse - Published: 2026-10-19 00:00 - Updated: 2026-10-19 17:19
Summary
security update for openexr
Severity
Important
Notes
Title of the patch: security update for openexr
Description of the patch: This security update provides a functional equivalent of RHSA-2026:84796. The original Red Hat(R) advisory is available from the Red Hat web site at https://access.redhat.com/errata/RHSA-2026:84796.
Patchnames: RHSA-2026:84796
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2026-34544
5.3 (Medium)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
Affected products
Product Identifier Version Remediation
Unresolved product id: SUSE Liberty Linux 10:openexr-0:3.1.10-8.el10_2.5.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:openexr-devel-0:3.1.10-8.el10_2.5.x86_64 —
Vendor Fix
Unresolved product id: SUSE Liberty Linux 10:openexr-libs-0:3.1.10-8.el10_2.5.x86_64 —
Vendor Fix
Threats
Impact moderate
CVE-2026-59184
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H
Affected products
Recommended 3 products, the same list as for CVE-2026-34544
Threats
Impact important
CVE-2026-59189
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Affected products
Recommended 3 products, the same list as for CVE-2026-34544
Threats
Impact important
CVE-2026-59981
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Affected products
Recommended 3 products, the same list as for CVE-2026-34544
Threats
Impact important
CVE-2026-59982
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Affected products
Recommended 3 products, the same list as for CVE-2026-34544
Threats
Impact important
References
To clipboard 

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          "text": "OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.8, a crafted B44 or B44A EXR file can cause an out-of-bounds write in any application that decodes it via exr_decoding_run(). Consequences range from immediate crash (most likely) to corruption of adjacent heap allocations (layout-dependent). This issue has been patched in version 3.4.8.",
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          "text": "OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. Versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 allow a crafted EXR with a nonzero dataWindow.min to make TypedFlatImageChannel::row() return an invalid heap pointer, causing out-of-bounds or use-after-free writes. This occurs when an application writes rows through FlatHalfChannel::row(). Affected consumers are tools, converters, render pipeline components, or image-processing services that accept untrusted EXR files and use FlatHalfChannel::row() on loaded images. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.",
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          "text": "https://www.suse.com/security/cve/CVE-2026-59189"
        }
      ],
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        {
          "category": "general",
          "text": "OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. In OpenEXRUtil versions 3.3.0 through 3.3.12 and 3.4.0 through 3.4.12, the documented TypedDeepImageChannel\u003cT\u003e::row() API can return an out-of-bounds pointer when a deep image has a non-zero dataWindow origin, resulting in a heap out-of-bounds read and crash, with potential information disclosure under a controlled heap layout. The flaw arises because ImfDeepImageChannel uses two conflicting coordinate models: at(x, y) uses absolute coordinates (with _base offset by dataWindow.min), while row(r) is documented as 0-based logical access. For a non-zero dataWindow.min, row(0) therefore points outside the _sampleListPointers allocation instead of at the first logical row. This issue is fixed in versions 3.3.13 and 3.4.13.",
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          "text": "https://www.suse.com/security/cve/CVE-2026-59981"
        }
      ],
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        {
          "category": "general",
          "text": "OpenEXR is the reference implementation and specification for the EXR image file format, widely used in the motion picture industry. In versions through 3.2.10, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13, the OpenEXRUtil library returns an out-of-bounds pointer from the SampleCountChannel::row() API when a deep image has a non-zero dataWindow origin. The row() accessor is documented as 0-based and computes its address from an internal base that is offset for absolute pixel coordinates, so the two coordinate models conflict whenever dataWindow.min is non-zero. For a deep image whose data window has a large negative vertical origin, row(0) points far outside the allocated sample-count buffer. An application that opens an attacker-controlled deep EXR file and accesses sample counts through row() performs an out-of-bounds read, which can crash the process or, under a controlled heap layout, return adjacent heap memory as sample-count values. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
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        {
          "category": "general",
          "text": "OpenEXR is the reference implementation and specification for the EXR image format, widely used in the motion picture industry. OpenEXR versions before 3.2.11, 3.3.0 through 3.3.12, and 3.4.0 through 3.4.13 can return an out-of-bounds pointer from TypedDeepImageChannel::row() when a crafted deep EXR has a nonzero dataWindow origin. This vulnerability occurs because the API combines zero-based row access with an absolute-coordinate-adjusted base pointer, allowing a crash or limited information disclosure. This issue is fixed in versions 3.2.11, 3.3.13, and 3.4.14.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Liberty Linux 10:openexr-0:3.1.10-8.el10_2.5.x86_64",
          "SUSE Liberty Linux 10:openexr-devel-0:3.1.10-8.el10_2.5.x86_64",
          "SUSE Liberty Linux 10:openexr-libs-0:3.1.10-8.el10_2.5.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2026-59982",
          "url": "https://www.suse.com/security/cve/CVE-2026-59982"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1276853 for CVE-2026-59982",
          "url": "https://bugzilla.suse.com/1276853"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Liberty Linux 10:openexr-0:3.1.10-8.el10_2.5.x86_64",
            "SUSE Liberty Linux 10:openexr-devel-0:3.1.10-8.el10_2.5.x86_64",
            "SUSE Liberty Linux 10:openexr-libs-0:3.1.10-8.el10_2.5.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Liberty Linux 10:openexr-0:3.1.10-8.el10_2.5.x86_64",
            "SUSE Liberty Linux 10:openexr-devel-0:3.1.10-8.el10_2.5.x86_64",
            "SUSE Liberty Linux 10:openexr-libs-0:3.1.10-8.el10_2.5.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-10-19T00:00:00Z",
          "details": "important"
        }
      ],
      "title": "CVE-2026-59982"
    }
  ]
}



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