CVE-2021-3477 — Integer Overflow or Wraparound in Openexr
Severity
5.5MEDIUMNVD
EPSS
0.5%
top 33.71%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 31
Latest updateMay 24
Description
There's a flaw in OpenEXR's deep tile sample size calculations in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger an integer overflow, subsequently leading to an out-of-bounds read. The greatest risk of this flaw is to application availability.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
Also affects: Debian Linux 10.0, 9.0