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TI-2017-14765 Aliases CVE-2017-20286GHSA-5rw7-933r-f38v

Heap buffer overflow in DevIL iGetPalette when loading GIF images

Priority LOW 38CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

DentonW DevIL through 1.8.0 contains a heap-based buffer overflow (CWE-787) in the iGetPalette() function that writes past a 768-byte palette buffer when loading GIF images. An attacker with no privileges can supply a crafted two-frame GIF that writes up to 384 controlled bytes past the heap allocation, possibly executing code.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

DevIL through 1.8.0 contains a heap-based buffer overflow in iGetPalette() in il_gif.cpp that allows attackers to write beyond a 768-byte palette buffer when loading GIF images. Attackers can supply a crafted two-frame GIF whose second frame uses disposal method 1 with a local colour table, writing up to 384 controlled bytes past the heap allocation and possibly executing code.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00199 9th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DentonWDevILup to 1.8.0—No fix listedCNA
  • DevIL VendorDentonW Affected up to 1.8.0 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for DevIL.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-14 Threatist record created from CVE-2017-20286
  2. 2026-10-14 Alias added: GHSA-5rw7-933r-f38v
  3. 2026-10-14 CISA SSVC decision points changed
  4. 2026-10-14 Priority changed: MEDIUM → LOW
  5. 2026-10-16 Affected versions changed · Red Hat
  6. 2026-10-16 CVSS score added · Red Hat

References

Advisory 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences