Description
Stack-based buffer overflow in protocol/rtsp/rtspclnt.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.x; RealPlayer SP 1.0.0 and 1.0.1; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, 11.0, and 11.0.1; Linux RealPlayer 10, 11.0.0, and 11.0.1; and Helix Player 10.x, 11.0.0, and 11.0.1 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via an ASM RuleBook with a large number of rules, related to an "array 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.
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
References
- RHSA-2010:0094 vendor-advisory
- ADV-2010-0178 vdb-entry
- 1023489 vdb-entry
- http://service.real.com/realplayer/security/01192010_player/en/
- 38450 third-party-advisory
- oval:org.mitre.oval:def:10677 vdb-entry signature
- [protocol-cvs] 20090828 rtsp rtspclnt.cpp,1.244,1.245 mailing-list
- https://helixcommunity.org/viewcvs/protocol/rtsp/rtspclnt.cpp?view=log#rev1.245
- [helix-client-dev] 20090828 CR: 249097 - Security fix - urgent CR requested mailing-list
- 38218 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=561338
- 37880 vdb-entry
- realplayer-rulebook-overflow(55802) vdb-entry