Description
Integer overflow in the GnashImage::size method in libbase/GnashImage.h in GNU Gnash 0.8.10 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted SWF file, which triggers a heap-based buffer overflow.
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 6.0 | gnash | 0.8.8-5+squeeze1 | DSA-2435-1 |
Advisories 1
- DSA-2435-1 gnash - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- [oss-security] 20120314 CVE request: gnash integer overflow mailing-list
- http://git.savannah.gnu.org/cgit/gnash.git/commit/?id=bb4dc77eecb6ed1b967e3ecbce3dac6c5e6f1527
- 47183 third-party-advisory
- 52446 vdb-entry
- DSA-2435 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=803443
- [oss-security] 20120314 Re: CVE request: gnash integer overflow mailing-list
- 48466 third-party-advisory