CVE-2011-1091
libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash)
02 Description
libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash)
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
- 2.63% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 85.0% 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
- Low. 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
- 2011-03-14 19:00Z15 YR AGO
- Last updated
- 2024-08-06 22:14Z2 YR AGO
- Reserved
- 2011-02-24
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 6e235f3dfa07813186d1fbf5f489b53b7fa847258381c085d114b122a6dc794c
05 Affected products
06 References
- www.vupen.comADV-2011-0661http://www.vupen.com/english/advisories/2011/0661
- www.redhat.comRHSA-2011:0616http://www.redhat.com/support/errata/RHSA-2011-0616.html
- hermes.opensuse.orgopenSUSE-SU-2012:0066https://hermes.opensuse.org/messages/13195955
- developer.pidgin.imhttp://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.c
- www.pidgin.imhttp://www.pidgin.im/news/security/?id=51
- www.securityfocus.com46837http://www.securityfocus.com/bid/46837
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=683031
- www.vupen.comADV-2011-0703http://www.vupen.com/english/advisories/2011/0703
- lists.fedoraproject.orgFEDORA-2011-3150http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html
- secunia.com43721http://secunia.com/advisories/43721
- slackware.comSSA:2011-070-02http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884
- exchange.xforce.ibmcloud.compidgin-yahoo-protocol-dos(66055)https://exchange.xforce.ibmcloud.com/vulnerabilities/66055
- secunia.com46376http://secunia.com/advisories/46376
- secunia.com43695http://secunia.com/advisories/43695
- www.redhat.comRHSA-2011:1371http://www.redhat.com/support/errata/RHSA-2011-1371.html
- oval.cisecurity.orgoval:org.mitre.oval:def:18402https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402
- www.vupen.comADV-2011-0669http://www.vupen.com/english/advisories/2011/0669
- developer.pidgin.imhttp://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7
- lists.fedoraproject.orgFEDORA-2011-3113http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html
- www.vupen.comADV-2011-0643http://www.vupen.com/english/advisories/2011/0643
07 Fixed in
Debian 12
- pidgin Fixed in 2.7.11-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pidgin Fixed in 2.7.11-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- pidgin Fixed in 2.7.11-1
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.