CVE-2016-10056: Buffer overflow in the sixel_decode function in coders/sixel.c in ImageMagick before 6.9.5-8 allows remote...

Security readout for executives and security teams

This CVE affects ImageMagick versions before 6.9.5-8. A specially crafted file can trigger a buffer overflow in SIXEL image decoding, causing the application to crash. The sources also mention unspecified additional impact, but do not define it. Exposure is most likely where ImageMagick processes untrusted or externally supplied files, especially services handling uploads, conversions, thumbnails, or automated media pipelines. The supplied affected-product metadata is incomplete, but the CVE text identifies ImageMagick before 6.9.5-8. Treat this as a maintenance and exposure-reduction item unless ImageMagick handles public uploads or critical workflows. Prioritize externally reachable conversion services because the documented impact includes remotely triggered crashes. Mitigation focus: Upgrade ImageMagick to 6.9.5-8 or a vendor-supported fixed build.; Check Linux distribution advisories for backported fixes in packaged ImageMagick versions.; Restrict ImageMagick processing of untrusted files where practical..

Prepared

Jun 13, 2026, 05:45 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.