CVE-2018-6405
MEDIUM
6.5
CVSS Score
Published: January 30, 2018 at 09:00 PM UTC
Updated: June 17, 2026 at 02:01 AM UTC
2 products affected across 2 vendorsUbuntu LinuxImageMagick
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Severity
MEDIUM6.5
Exploit prediction
EPSS 2%
Description
In the ReadDCMImage function in coders/dcm.c in ImageMagick before 7.0.7-23, each redmap, greenmap, and bluemap variable can be overwritten by a new pointer. The previous pointer is lost, which leads to a memory leak. This allows remote attackers to cause a denial of service.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%v < 6.9.9-357.0.0-0 ≤ v < 7.0.7-23
Affected range stops below 6.9.9-35, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.7-23, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_CONFIRMExploitIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/ImageMagick/ImageMagick/issues/964Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/3681-1/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-772
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