Security readout for executives and security teams
OpenJPEG, a library used to handle JPEG 2000 images, had an integer overflow in encoding-parameter calculations. The provided sources do not include CVSS scoring or confirmed exploitation. The business risk is highest where servers or workflows process untrusted JPEG 2000 files. Exposure is most likely in applications, services, or distributions embedding OpenJPEG/openjpeg2 through 2.3.0, especially image conversion, document processing, thumbnail generation, or upload pipelines that accept JPEG 2000 content from untrusted users. Treat as a dependency hygiene issue unless untrusted image processing is internet-facing or business-critical. Prioritize patching exposed file-processing services and packaged OpenJPEG deployments, but avoid claiming emergency status from the provided evidence alone. Mitigation focus: Inventory OpenJPEG/openjpeg2 versions in applications, containers, and operating system packages.; Update to vendor or distribution packages containing the referenced upstream fixes.; For Debian LTS systems, review DLA 1851-1 and apply the security update..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2018-20847 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/uclouvain/openjpeg/pull/1168/commits/c58df149900df862806d0e892859b41115875845CVE reference · x_refsource_MISC
- https://github.com/uclouvain/openjpeg/commit/5d00b719f4b93b1445e6fb4c766b9a9883c57949CVE reference · x_refsource_MISC
- https://github.com/uclouvain/openjpeg/issues/431CVE reference · x_refsource_MISC
- [debian-lts-announce] 20190710 [SECURITY] [DLA 1851-1] openjpeg2 security updateCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.