Integer overflow in Openexr
CVE-2021-3476
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.
Vulnerability class: Integer Overflow
EPSS: 0.018 (76.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
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 (Mailing List, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (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-2021-3476?
- CVE-2021-3476 is a medium-severity vulnerability in Openexr, classified under Integer Overflow or Wraparound. CVSS score: 5.3/10. Published 2021-03-30.
- How severe is CVE-2021-3476?
- Medium severity. CVSS v3 base score is 5.3 out of 10.