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Vulnerability record · CVE-2023-5841 · published 1 February 2024

CVE-2023-5841: Openexr heap-based buffer overflow vulnerability

Openexr · Openexr

Due to a failure in validating the number of scanline samples of a OpenEXR file containing deep scanline data, Academy Software Foundation OpenEX image parsing library version 3.2.1 and prior is susceptible to a heap-based buffer overflow vulnerability. This issue was resolved as of versions v3.2.2 and v3.1.12 of the affected library.

9.1 CVSS 3.1 Critical EPSS 1.3% · top 31.6% CWE-122 · Heap-based buffer overflowCWE-787 · Out-of-bounds write
9.1CVSS 3.1 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Due to a failure in validating the number of scanline samples of a OpenEXR file containing deep scanline data, Academy Software Foundation OpenEX image parsing library version 3.2.1 and prior is susceptible to a heap-based buffer overflow vulnerability. This issue was resolved as of versions v3.2.2 and v3.1.12 of the affected library.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.fedoraproject.org/archives/list/[email protected]/message/LSB6DB5LAKGPLRXEF5HDNGUMT
https://lists.fedoraproject.org/archives/list/[email protected]/message/XWMINVKQLSUHECXBSQMZFCSDR
https://takeonme.org/cves/CVE-2023-5841.html ExploitThird Party Advisory
http://seclists.org/fulldisclosure/2024/Sep/32
http://seclists.org/fulldisclosure/2024/Sep/34
http://seclists.org/fulldisclosure/2024/Sep/36
https://lists.fedoraproject.org/archives/list/[email protected]/message/LSB6DB5LAKGPLRXEF5HDNGUMT
https://lists.fedoraproject.org/archives/list/[email protected]/message/XWMINVKQLSUHECXBSQMZFCSDR
https://takeonme.org/cves/CVE-2023-5841.html ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2026-42216Openexr out-of-bounds read vulnerabilityOpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From…EPSS 0.71%8.8CVE-2026-41142Openexr integer overflow vulnerabilityOpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From…EPSS 0.73%8.8CVE-2021-23169Openexr out-of-bounds write vulnerabilityA heap-buffer overflow was found in the copyIntoFrameBuffer function of OpenEXR in versions before 3.0.1. An attacker could use this flaw to execute …EPSS 2.3%8.8CVE-2017-9111Openexr vulnerabilityIn OpenEXR 2.2.0, an invalid write of size 8 in the storeSSE function in ImfOptimizedPixelReading.h could cause the application to crash or execute a…EPSS 3.2%8.8CVE-2017-9113Openexr vulnerabilityIn OpenEXR 2.2.0, an invalid write of size 1 in the bufferedReadPixels function in ImfInputFile.cpp could cause the application to crash or execute a…EPSS 3.1%8.8CVE-2017-9115Openexr vulnerabilityIn OpenEXR 2.2.0, an invalid write of size 2 in the = operator function in half.h could cause the application to crash or execute arbitrary code.EPSS 3.3%8.7CVE-2026-34543Openexr use of uninitialized resource vulnerabilityOpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From…EPSS 0.52%8.6CVE-2026-34588Openexr out-of-bounds read vulnerabilityOpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From…EPSS 0.57%

Source: NIST National Vulnerability Database (record CVE-2023-5841), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.