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No exploitation reportedFix available

CVE-2018-20846

No exploitation reported by the sources we read.

  • Published2019-06-26
  • WeaknessCWE-20

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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).

Timeline

dates in UTC
  1. 2019-06-2618:15CVE publishedNVD

Versions per branch

NVD
Uclouvain openjpeg
BranchAffectedFixed in
2.3≤ 2.3.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • blenderUbuntu:26.10all versions · no fixed version listedand 3 other packages
  • blenderUbuntu:26.04:LTSall versions · no fixed version listedand 2 other packages
  • blenderUbuntu:25.10all versions · no fixed version listedand 3 other packages
  • blenderUbuntu:24.04:LTSall versions · no fixed version listedand 1 other package
  • blenderUbuntu:22.04:LTSall versions · no fixed version listedand 2 other packages
  • blenderUbuntu:20.04:LTSall versions · no fixed version listedand 1 other package
  • blenderUbuntu:18.04:LTSall versions · no fixed version listedand 2 other packages
  • blenderUbuntu:16.04:LTSall versions · no fixed version listedand 3 other packages

59 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-20846 Red Hat Product Security18 known affected

    openjpeg: out-of-bounds read in functions pi_next_lrcp, pi_next_rlcp, pi_next_rpcl, pi_next_pcrl, pi_next_rpcl, and pi_next_cprl in openmj2/pi.c leads to denial of service

    openjpeg as a component of Red Hat Enterprise Linux 6 · openjpeg-devel as a component of Red Hat Enterprise Linux 6 · openjpeg-libs as a component of Red Hat Enterprise Linux 6 · +15 more

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2018-20846 · 4 productsOut of support scope
  2. No fix planned, says the vendor Red Hat Product Security CVE-2018-20846 · 14 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2019-06-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-g752-v9rv-66cg

Frequently asked questions

What is 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).

Is CVE-2018-20846 actively exploited?

Active exploitation of CVE-2018-20846 has not been confirmed. Its EPSS score was 2.2% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-20846?

CVE-2018-20846 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record