Integer overflow in Uclouvain Openjpeg

CVE-2018-20847

An improper computation of p_tx0, p_tx1, p_ty0 and p_ty1 in the function opj_get_encoding_parameters in openjp2/pi.c in OpenJPEG through 2.3.0 can lead to an integer overflow.

Vulnerability class: Integer Overflow

EPSS: 0.022 (80.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Patch, x_refsource_MISC)
  • cve@mitre.org (Patch, x_refsource_MISC)
  • cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2018-20847?
CVE-2018-20847 is a high-severity vulnerability in Uclouvain Openjpeg, classified under Integer Overflow or Wraparound. CVSS score: 8.8/10. Published 2019-06-26.
How severe is CVE-2018-20847?
High severity. CVSS v3 base score is 8.8 out of 10.