Out-of-bounds Read in Apple Icloud

CVE-2020-11761

An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read during Huffman uncompression, as demonstrated by FastHufDecoder::refill in ImfFastHuf.cpp.

Vulnerability class: Buffer Overflow

EPSS: 0.018 (76.0th 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

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-11761?
CVE-2020-11761 is a medium-severity vulnerability in Apple Icloud, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2020-04-14.
How severe is CVE-2020-11761?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-11761 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.