CVE-2009-1889
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 3.37% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 88.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2009-07-01 12:26Z17 YR AGO
- Last updated
- 2024-08-07 05:27Z2 YR AGO
- Reserved
- 2009-06-02
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- fead7b3e44f9f50e9983b59cc615c7f0d74d198e061827800656d2edcee9edcc
05 Affected products
06 References
- pidgin.im[devel] 20090528 [patch] libpurple/protocols/oscar: OOM and die on misparsed ICQWebMessage as ICQSMShttp://pidgin.im/pipermail/devel/2009-May/008227.html
- www.securityfocus.com35530http://www.securityfocus.com/bid/35530
- www.redhat.comRHSA-2009:1139http://www.redhat.com/support/errata/RHSA-2009-1139.html
- secunia.com35697http://secunia.com/advisories/35697
- www.redhat.comFEDORA-2009-7359https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00162.html
- developer.pidgin.imhttp://developer.pidgin.im/ticket/9483
- secunia.com37071http://secunia.com/advisories/37071
- www.ubuntu.comUSN-796-1http://www.ubuntu.com/usn/USN-796-1
- secunia.com35706http://secunia.com/advisories/35706
- exchange.xforce.ibmcloud.compidgin-oscar-dos(51448)https://exchange.xforce.ibmcloud.com/vulnerabilities/51448
- secunia.com35693http://secunia.com/advisories/35693
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=508738
- www.redhat.comFEDORA-2009-7370https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00176.html
- oval.cisecurity.orgoval:org.mitre.oval:def:10004https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10004
- www.vupen.comADV-2009-1749http://www.vupen.com/english/advisories/2009/1749
- www.redhat.comFEDORA-2009-7415https://www.redhat.com/archives/fedora-package-announce/2009-July/msg00228.html
07 Fixed in
Debian 12
- pidgin Fixed in 2.5.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pidgin Fixed in 2.5.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- pidgin Fixed in 2.5.8-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.