Out-of-bounds Read in Exiv2

CVE-2018-20098

There is a heap-based buffer over-read in Exiv2::Jp2Image::encodeJp2Header of jp2image.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.

Vulnerability class: Buffer Overflow

EPSS: 0.026 (83.5th percentile) — read the EPSS interpretation.

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.

Affected products

  • Exiv2 — versions 0.27
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-20098?
CVE-2018-20098 is a medium-severity vulnerability in Exiv2, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2018-12-12.
How severe is CVE-2018-20098?
Medium severity. CVSS v3 base score is 6.5 out of 10.