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8.8

SWFTools png2swf can crash with malicious PNG

CVE-2017-9926 · published 9 years ago
Summary

The png2swf tool in SWFTools for Windows can be forced to stop working, or potentially do more, by opening a specially crafted PNG image. This could interrupt services that rely on converting images to Flash files. Update SWFTools to a newer version or stop using png2swf until a fix is applied.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
swftools swftools 2013-04-09-1007
cpe:2.3:a:swftools:swftools:2013-04-09-1007:*:*:*:*:*:*:*
Original advisory text
In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted file, related to a "Read Access Violatio...
In SWFTools 2013-04-09-1007 on Windows, png2swf allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted file, related to a "Read Access Violation starting at image00000000_00400000+0x000000000001b596."
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
1% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published5 Jul 2017
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2017-9926 · NVD
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