CVE-2023-5841

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2024-02-01. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.1Exploit: NoneExposed: 0

A fix is available — apply it.

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 v3
9.1
EG Score
9.1(medium)
EG Risk
72(Attend)
EG Risk 72/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
66.5%
KEV
Not listed

Published

February 1, 2024

Last Modified

November 4, 2025

Advisory Details (6)

Auto-updated Jul 21, 2026
No patch confirmed yet.
generic

http://takeonme.org/cves/cve-2023-5841/

https://takeonme.org/cves/CVE-2023-5841.html
generic

[SECURITY] Fedora 39 Update: mingw-openexr-3.1.10-4.fc39 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XWMINVKQLSUHECXBSQMZFCSDRIHFOJJI/
generic

[SECURITY] Fedora 38 Update: mingw-openexr-3.1.10-4.fc38 - package-announce - Fedora mailing-lists

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LSB6DB5LAKGPLRXEF5HDNGUMT7GIFT2C/
generic

Full Disclosure: APPLE-SA-09-16-2024-5 visionOS 2

http://seclists.org/fulldisclosure/2024/Sep/36
generic

Full Disclosure: APPLE-SA-09-16-2024-3 tvOS 18

http://seclists.org/fulldisclosure/2024/Sep/34
generic

Full Disclosure: APPLE-SA-09-16-2024-1 iOS 18 and iPadOS 18

http://seclists.org/fulldisclosure/2024/Sep/32

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatopenexr-0:3.1.1-2.el9_5.12024-11-13redhat
redhatopenexr-0:3.1.1-2.el9_4.12024-11-04redhat
redhatopenexr-0:3.1.1-2.el9_0.12024-11-04redhat
redhatopenexr-0:3.1.1-2.el9_2.12024-11-04redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 11× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-23 14:16 UTCEPSS rescore
  2. 2026-07-23 02:30 UTCEG score recompute
  3. 2026-07-22 23:16 UTCEG score recompute
  4. 2026-07-22 14:07 UTCEPSS rescore
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  16. 2026-07-14 21:10 UTCOSV refresh
  17. 2026-07-13 22:28 UTCEPSS rescore
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  19. 2026-07-12 05:45 UTCEPSS rescore
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  1. 2026-07-06 16:26 UTCEPSS rescore
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  3. 2026-07-06 02:22 UTCEPSS rescore
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  5. 2026-07-05 02:29 UTCEPSS rescore
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  7. 2026-07-01 15:05 UTCEPSS rescore
  8. 2026-06-30 23:21 UTCEPSS rescore
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  10. 2026-06-29 14:05 UTCEPSS rescore
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  14. 2026-06-27 03:07 UTCEPSS rescore
  15. 2026-06-26 22:07 UTCOSV refresh
  16. 2026-06-25 13:48 UTCEPSS rescore
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  18. 2026-06-24 14:04 UTCEPSS rescore
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  20. 2026-06-23 21:31 UTCEPSS rescore
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  22. 2026-06-22 14:24 UTCEPSS rescore
  23. 2026-06-22 14:24 UTCEPSS rescore
  24. 2026-06-21 14:55 UTCEPSS rescore
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  26. 2026-06-21 01:58 UTCEPSS rescore
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  28. 2026-06-19 19:24 UTCEPSS rescore
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  30. 2026-06-18 17:51 UTCEPSS rescore
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  36. 2026-06-13 22:59 UTCEPSS rescore
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  39. 2026-06-11 13:59 UTCEPSS rescore
  40. 2026-06-10 22:17 UTCEPSS rescore
  41. 2026-06-10 13:21 UTCEPSS rescore
  42. 2026-06-09 09:00 UTCOSV refresh
  43. 2026-06-08 14:16 UTCEPSS rescore
  44. 2026-06-08 14:16 UTCEPSS rescore
  45. 2026-06-07 15:24 UTCEPSS rescore
  46. 2026-06-07 15:24 UTCEPSS rescore
  47. 2026-06-06 13:46 UTCEPSS rescore
  48. 2026-06-06 13:46 UTCEPSS rescore
  49. 2026-06-05 22:46 UTCEPSS rescore
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  51. 2026-06-05 06:09 UTCEPSS rescore
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  53. 2026-06-04 13:11 UTCEPSS rescore
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  61. 2026-05-29 13:43 UTCEPSS rescore
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  64. 2026-05-27 13:40 UTCEPSS rescore
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  66. 2026-05-26 13:43 UTCEPSS rescore
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  68. 2026-05-26 07:18 UTCEPSS rescore
  69. 2026-05-26 07:18 UTCEPSS rescore
  70. 2026-05-24 09:21 UTCEG score recompute
  71. 2026-05-24 09:21 UTCVendor advisory
  72. 2026-05-24 09:21 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-5841?
CVE-2023-5841 is a critical vulnerability published on February 1, 2024. 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…
When was CVE-2023-5841 disclosed?
CVE-2023-5841 was first published in the National Vulnerability Database on February 1, 2024, with the most recent update on November 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-5841 actively exploited?
CVE-2023-5841 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-5841?
CVE-2023-5841 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2023-5841?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-5841, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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