What is CVE-2020-18773?

CVE-2020-18773 is a medium-severity vulnerability in Exiv2, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-08-23.

How severe is CVE-2020-18773?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Buffer overflow in Exiv2

CVE-2020-18773

An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (68.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Exiv2 — versions 0.27.99.0
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (vendor-advisory)

Frequently asked questions

What is CVE-2020-18773?: CVE-2020-18773 is a medium-severity vulnerability in Exiv2, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-08-23.
How severe is CVE-2020-18773?: Medium severity. CVSS v3 base score is 6.5 out of 10.