CVE-2009-4242
Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer…
- 9.3HighCVSS base score
- 8.5%Exploitation in 30 daysEPSS · top 4.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Heap-based buffer overflow in the CGIFCodec::GetPacketBuffer function in datatype/image/gif/common/gifcodec.cpp in RealNetworks RealPlayer 10; RealPlayer 10.5 6.0.12.1040 through 6.0.12.1741; RealPlayer 11 11.0.0 through 11.0.4; RealPlayer Enterprise; Mac RealPlayer 10, 10.1, and 11.0; Linux RealPlayer 10; and Helix Player 10.x allows remote attackers to execute arbitrary code via a GIF file with crafted chunk sizes that trigger improper memory allocation.
Timeline
ID reserved
By mitre
- 47 days later
· 47 days later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 8.5% · top 4.9% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
References15
- RHSA-2010:0094 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- ADV-2010-0178 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- oval:org.mitre.oval:def:10144 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- realplayer-gif-bo(55795) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 1023489 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=561436 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [datatype-cvs] 20080909 image/gif/common gifcodec.cpp,1.7,1.8 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://service.real.com/realplayer/security/01192010_player/en/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 38450 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.zerodayinitiative.com/advisories/ZDI-10-006/ (opens in a new tab)x_refsource_MISCx_transferred
- 61966 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 38218 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://helixcommunity.org/viewcvs/datatype/image/gif/common/gifcodec.cpp?view=log#rev1.8 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 20100121 ZDI-10-006: RealNetworks RealPlayer GIF Handling Remote Code Execution Vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 37880 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-4211 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-4242)Record last updated .