Bug 1939141 (CVE-2021-20296) - CVE-2021-20296 OpenEXR: Segv on unknown address in Imf_2_5::hufUncompress - Null Pointer dereference
Summary: CVE-2021-20296 OpenEXR: Segv on unknown address in Imf_2_5::hufUncompress - N...
Alias: CVE-2021-20296
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 1939169 1944301 1944302 1944303 1944305
Blocks: 1929339 1944306
TreeView+ depends on / blocked
Reported: 2021-03-15 17:25 UTC by Michael Kaplan
Modified: 2022-04-17 21:12 UTC (History)
6 users (show)

Fixed In Version: OpenEXR 3.0.0-beta, OpenEXR 2.5.4
Doc Type: If docs needed, set a value
Doc Text:
A flaw was found in OpenEXR. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
Clone Of:
Last Closed: 2021-11-02 23:12:06 UTC

Attachments (Terms of Use)

Description Michael Kaplan 2021-03-15 17:25:17 UTC
Segv on unknown address in Imf_2_5::hufUncompress

Comment 1 Michael Kaplan 2021-03-15 17:25:21 UTC
External References:


Comment 2 Michael Kaplan 2021-03-15 17:37:38 UTC
Created OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1939169]

Comment 7 Cary Phillips 2021-04-23 01:26:52 UTC
This is fixed in v2.5.4, v2.5.5, and v3.0.1 and beyond.

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