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CVE-2017-1000185: SWFTools gif2swf may overwrite memory

CVE-2017-1000185 · published 8 years ago

Summary

The gif2swf component of SWFTools can write more data than its buffer allows, which could let an attacker cause the program to crash or run unwanted code. This risk affects any system that uses SWFTools to convert GIF files to SWF. Update to the latest SWFTools release or stop using gif2swf until it is patched.

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

Vendor	Product	Affected versions
swftools	swftools	All versions `cpe:2.3:a:swftools:swftools:-:::::::*`

Original advisory text

In SWFTools, a memcpy buffer overflow was found in gif2swf.

References

https://github.com/matthiaskramm/swftools/issues/33 Issue Tracking Third Party Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

5.5 Medium

Exploitation

<1% chance of attack within 30 days

Type

CWE-119Buffer Overflow

Timeline

Published17 Nov 2017

Updated4 Nov 2026

First seen29 Sep 2026

Sources

CVE-2017-1000185 · NVD

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