Security readout for executives and security teams
Plain-English summary
This CVE describes a memory read bug in ImageMagick 7.0.7-24 Q16 when handling WebP images. Services that accept or convert uploaded images could be affected if they run this build. The source bundle does not provide CVSS, confirmed exploitation, or a named patch, so urgency depends on whether ImageMagick processes untrusted WebP content.
Executive priority
Prioritize environments that process user-supplied WebP files. Without severity scoring or exploitation evidence, this is not proven critical, but internet-facing image pipelines should be reviewed promptly.
Technical view
The flaw is a heap-based buffer over-read in IsWEBPImageLossless in coders/webp.c. The provided data identifies ImageMagick 7.0.7-24 Q16, but does not list CPEs, broader affected versions, CWE mapping, CVSS metrics, or a remediation commit. Treat version scope and fix status as incomplete from these sources.
Likely exposure
Likely exposure is image-processing workloads using ImageMagick 7.0.7-24 Q16, especially upload, thumbnailing, conversion, or scanning services that ingest WebP files from users or third parties.
Exploitation context
The source bundle does not show CISA KEV listing or any cited evidence of active exploitation. It also does not provide exploit maturity, public exploit confirmation, or impact beyond the buffer over-read description.
Researcher notes
Evidence is sparse: the bundle gives the vulnerable function and version but lacks CVSS, CWE, CPEs, patch details, and exploit status. Avoid expanding affected scope beyond ImageMagick 7.0.7-24 Q16 unless vendor records support it.
Mitigation direction
- Inventory ImageMagick deployments and identify 7.0.7-24 Q16 usage.
- Check ImageMagick vendor guidance and issue 1009 for fix status.
- Upgrade affected ImageMagick builds if vendor guidance identifies a fixed release.
- Restrict untrusted WebP processing where business workflows allow.
- Run image conversion workloads with sandboxing and least privilege.
Validation and detection
- Confirm ImageMagick version and build variant on relevant hosts.
- Map services that accept, transform, or scan WebP images.
- Review crash telemetry around ImageMagick WebP processing.
- Verify image-processing workers run with isolation and limited privileges.
- Track vendor issue status before closing remediation.
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-2018-9135 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://github.com/ImageMagick/ImageMagick/issues/1009CVE reference · x_refsource_CONFIRM
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.
