CVE-2023-5841: OpenEXR Heap Overflow in Scanline Deep Data Parsing

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2024-02-01 · updated 2026-06-17
Weakness: CWE-122

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.

Affected products

AcademySoftwareFoundation openexr: through 3.2.1

References

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSB6DB5LAKGPLRXEF5HDNGUMT7GIFT2C/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWMINVKQLSUHECXBSQMZFCSDRIHFOJJI/
https://takeonme.org/cves/CVE-2023-5841.html
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/package-announce@lists.fedoraproject.org/message/LSB6DB5LAKGPLRXEF5HDNGUMT7GIFT2C/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWMINVKQLSUHECXBSQMZFCSDRIHFOJJI/
https://takeonme.org/cves/CVE-2023-5841.html

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