CVE-2007-5137: Tcl Tk

Medium severity, CVSS 6.8. EPSS: 4.9% chance of exploitation in the next 30 days.

Buffer overflow in the ReadImage function in generic/tkImgGIF.c in Tcl (Tcl/Tk) 8.4.13 through 8.4.15 allows remote attackers to execute arbitrary code via multi-frame interlaced GIF files in which later frames are smaller than the first. NOTE: this issue is due to an incorrect patch for CVE-2007-5378.

Affected products

• Tcl Tk Tcl Tk: version 8.4.13 only; version 8.4.14 only; version 8.4.15 only

Published 2007-09-28. Last modified 2026-06-16.