What is CVE-2018-20846?

CVE-2018-20846 is a medium-severity vulnerability in Uclouvain Openjpeg, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-06-26.

How severe is CVE-2018-20846?

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

Improper input validation in Uclouvain Openjpeg

CVE-2018-20846

Out-of-bounds accesses in the functions pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/pi.c in OpenJPEG through 2.3.0 allow remote attackers to cause a denial of service (application crash).

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.022 (80.4th 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

Uclouvain Openjpeg
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

cve@mitre.org (Patch, x_refsource_MISC)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)

Frequently asked questions

What is CVE-2018-20846?: CVE-2018-20846 is a medium-severity vulnerability in Uclouvain Openjpeg, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-06-26.
How severe is CVE-2018-20846?: Medium severity. CVSS v3 base score is 6.5 out of 10.