Description
In SWFTools 0.9.2, an out-of-bounds write of heap data can occur in the function png_load() in lib/png.c:755. This issue can be triggered by a malformed PNG file that is mishandled by png2swf. Attackers could exploit this issue for DoS; it might cause arbitrary code execution.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 7 | swftools | 0.9.2+ds1-3+deb7u1 | DLA-995-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | swftools | 0.9.2+git20130725-4.1~build0.16.04.1 | — |
Advisories 1
- DLA-995-1 swftools - security update Debian Security (DSA / DLA) · Mar 9, 2026