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ChainAcademySoftwareFoundation · openexrPyPI:OpenEXR

AcademySoftwareFoundation openexr: incomplete fixes (2026)

3 CVEs over 2 generations, 1 Apr 2026 to 21 Apr 2026.

Family tree

Left to right by publication date.Oldest first. Select a CVE to open it.
  1. CVE-2026-345451 Apr 2026 First in the chain
  2. CVE-2026-345886 Apr 2026 No direct link to an earlier CVE
  3. CVE-2026-3988621 Apr 2026 incomplete fix for CVE-2026-34545incomplete fix for CVE-2026-34588
1 Apr 20263 Apr6 Apr13 Apr21 Apr CVE-2026-34545 → CVE-2026-39886: incomplete fix (high confidence)CVE-2026-34588 → CVE-2026-39886: incomplete fix (high confidence) CVE-2026-34545 1 Apr 2026 CVE-2026-34588 6 Apr 2026 CVE-2026-39886 21 Apr 2026 1 Apr 20263 Apr6 Apr11 Apr16 Apr21 Apr CVE-2026-34545 → CVE-2026-39886: incomplete fix (high confidence)CVE-2026-34588 → CVE-2026-39886: incomplete fix (high confidence) CVE-2026-34545 1 Apr 2026 CVE-2026-34588 6 Apr 2026 CVE-2026-39886 21 Apr 2026
Exploited in the wild (CISA KEV) Not in KEV Priority score (0 to 100) High confidence Medium Low

CVEs in this family

Table view of the tree
CVEPublishedTitleLinked fromPriority
CVE-2026-34545 1 Apr 2026 OpenEXR: integer overflow lead to OOB in HTJ2K decoder First in chain 16.0
CVE-2026-34588 6 Apr 2026 OpenEXR has a signed 32-bit Overflow in PIZ Decoder Leads to OOB Read/Write · fixed in 3.4.9 First in chain 14.3
CVE-2026-39886 21 Apr 2026 OpenEXR has HTJ2K Signed Integer Overflow in ht_undo_impl() CVE-2026-34545 · incomplete fix · High 8.3
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