What is CVE-2020-19716?

CVE-2020-19716 is a medium-severity vulnerability in Exiv2, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-07-13.

How severe is CVE-2020-19716?

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

Is CVE-2020-19716 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Exiv2

CVE-2020-19716

A buffer overflow vulnerability in the Databuf function in types.cpp of Exiv2 v0.27.1 leads to a denial of service (DOS).

Vulnerability class: Buffer Overflow

EPSS: 0.011 (63.4th 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 0.27.1
Debian Debian_linux — versions 10.0
N/a — versions n/a

Weakness classification (CWE)

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

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory)
cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-19716?: CVE-2020-19716 is a medium-severity vulnerability in Exiv2, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.5/10. Published 2021-07-13.
How severe is CVE-2020-19716?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2020-19716 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.