Description
Heap-based buffer overflow in rtffplin.cpp in RealPlayer 10.5 6.0.12.1056 on Windows, and 10, 10.0.1.436, and other versions before 10.0.5 on Linux, allows remote attackers to execute arbitrary code via a RealMedia file with a long RealText string, such as an SMIL file.
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 3.1 | helix-player | 1.0.4-1sarge1 | DSA-826-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | HelixPlayer | 1:1.0.5-0.EL4.1 | RHSA-2005:517 |
Advisories 2
- RHSA-2005:517 Red Hat Security Advisory: HelixPlayer security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- DSA-826-1 helix-player - multiple Debian Security (DSA / DLA) · Mar 9, 2026
References
- RHSA-2005:517 vendor-advisory
- DSA-826 vendor-advisory
- RHSA-2005:523 vendor-advisory
- 16981 third-party-advisory
- 20050623 RealNetworks RealPlayer RealText Parsing Heap Overflow Vulnerability third-party-advisory
- oval:org.mitre.oval:def:9509 vdb-entry signature
- SUSE-SA:2005:037 vendor-advisory
- http://service.real.com/help/faq/security/050623_player/EN/