Security readout for executives and security teams
Plain-English summary
ImageMagick could crash when processing crafted TIFF data because of a heap buffer overflow in its TIFF handling code. The public record describes denial of service, not confirmed data theft or code execution. Business urgency depends on whether ImageMagick processes untrusted images in public-facing or automated workflows.
Executive priority
Prioritize remediation for public-facing upload, document conversion, and automated media-processing systems. Internal-only use with trusted files is lower urgency. Because severity scoring and exploitation evidence are incomplete, use exposure to untrusted images as the main driver.
Technical view
CVE-2020-27829 is a CWE-122 heap-based buffer overflow in ImageMagick coders/tiff.c before 7.0.10-45. The cited description says the impact may be program crash and denial of service. No CVSS score is provided in the bundle, and KEV does not list known active exploitation.
Likely exposure
Exposure is most likely in servers, web apps, batch jobs, or security tools that use ImageMagick to parse TIFF or user-supplied images. Source data names ImageMagick before 7.0.10-45, but package-level affected ranges and backport status require vendor confirmation.
Exploitation context
The bundle does not cite active exploitation, public exploit use, or KEV inclusion. Treat this as a parser crash risk from crafted image input, especially where untrusted files are processed automatically or in shared services.
Researcher notes
The strongest source facts are the ImageMagick component path, heap overflow class, DoS outcome, and upstream commit reference. The bundle lacks CVSS, detailed affected package matrices, exploitability analysis, and distributor backport status. Avoid assuming code execution without additional vendor evidence.
Mitigation direction
- Upgrade ImageMagick to a vendor-supported release containing the upstream fix, at least beyond 7.0.10-45.
- Prioritize systems that process TIFF or other user-supplied images.
- Sandbox or isolate image conversion workers that handle untrusted files.
- Check Red Hat or package vendor advisories for backported fixes.
- Temporarily reject untrusted TIFF uploads where business impact is acceptable.
Validation and detection
- Inventory ImageMagick versions across application, container, and host images.
- Confirm vendor packages include the upstream fix or an equivalent backport.
- Map every workflow that accepts external image files into ImageMagick.
- Review crash logs for image-processing failures around TIFF handling.
- Verify public upload paths cannot directly exhaust shared 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.
CWE-122: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2020-27829 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://bugzilla.redhat.com/show_bug.cgi?id=1922525CVE reference · x_refsource_MISC
- https://github.com/ImageMagick/ImageMagick/commit/6ee5059cd3ac8d82714a1ab1321399b88539abf0CVE reference · x_refsource_MISC
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.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.