What is CVE-2020-23109?

CVE-2020-23109 is a high-severity vulnerability in Struktur Libheif, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2021-11-03.

How severe is CVE-2020-23109?

High severity. CVSS v3 base score is 8.1 out of 10.

Buffer overflow in Struktur Libheif

CVE-2020-23109

Buffer overflow vulnerability in function convert_colorspace in heif_colorconversion.cc in libheif v1.6.2, allows attackers to cause a denial of service and disclose sensitive information, via a crafted HEIF file.

Vulnerability class: Buffer Overflow

EPSS: 0.012 (66.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H.

Affected products

Struktur Libheif — versions 1.6.2
N/a — versions n/a

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-23109?: CVE-2020-23109 is a high-severity vulnerability in Struktur Libheif, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.1/10. Published 2021-11-03.
How severe is CVE-2020-23109?: High severity. CVSS v3 base score is 8.1 out of 10.