What is CVE-2018-4868?

CVE-2018-4868 is a medium-severity vulnerability in Exiv2, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2018-01-03.

How severe is CVE-2018-4868?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2018-4868 known to be exploited?

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

Resource exhaustion in Exiv2

CVE-2018-4868

The Exiv2::Jp2Image::readMetadata function in jp2image.cpp in Exiv2 0.26 allows remote attackers to cause a denial of service (excessive memory allocation) via a crafted file.

Published 2018-01-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.016 (74.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Exiv2 — versions 0.26

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Public proof-of-concept exploits

References

github.com/Exiv2/exiv2/issues/202 (Exploit, Third Party Advisory, Issue Tracking)
www.securityfocus.com/bid/102477 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2018-4868?: CVE-2018-4868 is a medium-severity vulnerability in Exiv2, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2018-01-03.
How severe is CVE-2018-4868?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-4868 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.