Security readout for executives and security teams
Plain-English summary
CVE-2018-5819 is a denial-of-service issue in LibRaw. Software that processes untrusted RAW image files with LibRaw 0.19.0 or earlier could be forced to consume CPU resources, degrading availability of image-processing services or batch jobs.
Executive priority
Prioritize remediation for internet-facing or customer-facing image-processing systems. Internal-only, authenticated workflows are lower urgency but should still be patched during normal maintenance.
Technical view
The issue is an error in LibRaw's parse_sinar_ia() function in internal/dcraw_common.cpp. The provided CVE data says versions prior to 0.19.1 are affected and can exhaust available CPU resources. No CVSS, CWE, or detailed root-cause data is included.
Likely exposure
Exposure is most likely in applications, servers, or pipelines that use LibRaw to ingest RAW image files, especially from external users, email, uploads, or automated media workflows.
Exploitation context
The bundle does not show CISA KEV listing or public evidence of active exploitation. The described impact is resource exhaustion, so business risk is mainly service degradation rather than data theft.
Researcher notes
Evidence is limited to a CPU exhaustion flaw in parse_sinar_ia() and vendor or distribution update references. The bundle does not provide exploit details, CVSS scoring, CWE mapping, or confirmed active exploitation.
Mitigation direction
- Inventory systems and applications that include LibRaw or distro libraw packages.
- Upgrade LibRaw beyond 0.19.0, following vendor or distribution guidance.
- Apply Debian DLA 1734-1 or Ubuntu USN-3989-1 where applicable.
- Limit processing of untrusted RAW files until affected components are updated.
- Use CPU and job-runtime controls around image-processing workers.
Validation and detection
- Check deployed LibRaw versions for 0.19.0 or earlier.
- Identify applications that statically bundle LibRaw rather than using system packages.
- Confirm patched Debian or Ubuntu packages are installed where relevant.
- Review upload and batch-processing paths that accept RAW images.
- Verify monitoring alerts for CPU exhaustion in image-processing services.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-5819 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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://secuniaresearch.flexerasoftware.com/secunia_research/2018-27/CVE reference · x_refsource_MISC
- https://www.libraw.org/news/libraw-0-19-2-releaseCVE reference · x_refsource_MISC
- [debian-lts-announce] 20190328 [SECURITY] [DLA 1734-1] libraw security updateCVE reference · mailing-list, x_refsource_MLIST
- USN-3989-1CVE reference · vendor-advisory, x_refsource_UBUNTU
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.
