What is CVE-2018-18915?

CVE-2018-18915 is a medium-severity vulnerability in Exiv2, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-11-03.

How severe is CVE-2018-18915?

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

Vulnerability in Exiv2

CVE-2018-18915

There is an infinite loop in the Exiv2::Image::printIFDStructure function of image.cpp in Exiv2 0.27-RC1. A crafted input will lead to a remote denial of service attack.

Published 2018-11-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.020 (79.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Exiv2 — versions 0.27

Weakness classification (CWE)

CWE-835 — Loop with Unreachable Exit Condition (Infinite Loop)

References

github.com/Exiv2/exiv2/issues/511 (Exploit, Patch, Third Party Advisory)
access.redhat.com/errata/RHSA-2019:2101 (vendor-advisory)

Frequently asked questions

What is CVE-2018-18915?: CVE-2018-18915 is a medium-severity vulnerability in Exiv2, classified under Loop with Unreachable Exit Condition (Infinite Loop). CVSS score: 6.5/10. Published 2018-11-03.
How severe is CVE-2018-18915?: Medium severity. CVSS v3 base score is 6.5 out of 10.