Description
Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1, RealPlayer SP 1.0 through 1.1.1, Mac RealPlayer 11.0 through 11.1, and Linux RealPlayer 11.0.2.1744 allows remote attackers to execute arbitrary code via a large Screen Width value in the Screen Descriptor header of a GIF87a file in an RTSP stream.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | HelixPlayer | 1:1.0.6-1.el4_8.1 | RHSA-2010:0094 |
Advisories 1
- RHSA-2010:0094 Red Hat Security Advisory: HelixPlayer security update Red Hat Security Advisories (RHSA) · Jun 26, 2026