What is CVE-2018-5804?

CVE-2018-5804 is a medium-severity vulnerability in Libraw, classified under Divide By Zero. CVSS score: 6.5/10. Published 2018-12-07.

How severe is CVE-2018-5804?

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

Vulnerability in Libraw

CVE-2018-5804

A type confusion error within the "identify()" function (internal/dcraw_common.cpp) in LibRaw versions prior to 0.18.8 can be exploited to trigger a division by zero.

Published 2018-12-07 · 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: 0.017 (76.0th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

Libraw
Libraw — versions Prior to 0.18.8

Weakness classification (CWE)

References

secuniaresearch.flexerasoftware.com/advisories/81000/ (Third Party Advisory, third-party-advisory)
github.com/LibRaw/LibRaw/blob/master/Changelog.txt (Release Notes)
github.com/LibRaw/LibRaw/commit/9f26ce37f5be86ea11bfc6831366558650b1f6ff (Patch)
secuniaresearch.flexerasoftware.com/secunia_research/2018-3/ (Third Party Advisory)

Frequently asked questions

What is CVE-2018-5804?: CVE-2018-5804 is a medium-severity vulnerability in Libraw, classified under Divide By Zero. CVSS score: 6.5/10. Published 2018-12-07.
How severe is CVE-2018-5804?: Medium severity. CVSS v3 base score is 6.5 out of 10.