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CVE-2009-1889
The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which…
Medium5.0EPSS 3.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The OSCAR protocol implementation in Pidgin before 2.5.8 misinterprets the ICQWebMessage message type as the ICQSMS message type, which allows remote attackers to cause a denial of service (application crash) via a crafted ICQ web message that triggers allocation of a large amount of memory.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 3.4% · top 11% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (16)
- [devel] 20090528 [patch] libpurple/protocols/oscar: OOM and die on misparsed ICQWebMessage as ICQSMS (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 35530 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2009:1139 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 35697 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2009-7359 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- http://developer.pidgin.im/ticket/9483 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 37071 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-796-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 35706 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- pidgin-oscar-dos(51448) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 35693 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=508738 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2009-7370 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- oval:org.mitre.oval:def:10004 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2009-1749 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- FEDORA-2009-7415 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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)
- 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://trackcve.app/cve/CVE-2009-1889)Record last updated .