Vulnerability CVE-2021-3476
Published: 2021-03-30

Description:
A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.

Type:

CWE-190

 (Integer Overflow or Wraparound)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
ASWF -> Openexr 

 References:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24787
https://bugzilla.redhat.com/show_bug.cgi?id=1939145
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