Out-of-bounds Read in Openexr
CVE-2021-3477
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.
Vulnerability class: Integer Overflow
EPSS: 0.010 (57.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
Affected products
- Openexr
- Debian Debian_linux — versions 9.0, 10.0
- N/a Openexr — versions OpenEXR 3.0.0-beta
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Third Party Advisory, Issue Tracking)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory)
- secalert@redhat.com (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3477?
- CVE-2021-3477 is a medium-severity vulnerability in Openexr, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2021-03-31.
- How severe is CVE-2021-3477?
- Medium severity. CVSS v3 base score is 5.5 out of 10.