Buffer overflow in Uclouvain Openjpeg

CVE-2020-27814

A heap-buffer overflow was found in the way openjpeg2 handled certain PNG format files. An attacker could use this flaw to cause an application crash or in some cases execute arbitrary code with the permission of the user running such an a…

Vulnerability class: Buffer Overflow

EPSS: 0.020 (78.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-27814?
CVE-2020-27814 is a high-severity vulnerability in Uclouvain Openjpeg, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-01-26.
How severe is CVE-2020-27814?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-27814 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.