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Fencer Vulns
medium 6.5

CVE-2019-6988 json

An issue was discovered in OpenJPEG 2.3.0.

published 2019-01-28 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16539

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
0
none known

Summary

An issue was discovered in OpenJPEG 2.3.0. It allows remote attackers to cause a denial of service (attempted excessive memory allocation) in opj_calloc in openjp2/opj_malloc.c, when called from opj_tcd_init_tile in openjp2/tcd.c, as demonstrated by the 64-bit opj_decompress.

Patch / fix

  • openjpeg2 Arch Linux 2.5.0-1

arch linux advisories AVG-1390

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-6988 updated cvss 3.5

openjpeg: DoS via memory exhaustion in opj_decompress

  • Red Hat Enterprise Linux 6 openjpeg, openjpeg-libs Red Hat Enterprise Linux 7 openjpeg, openjpeg-libs Red Hat Enterprise Linux 8 openjpeg
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.72% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/uclouvain/openjpeg/issues/1178 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-770 Allocation of Resources Without Limits or Throttling

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.