MSN nudges sent from unknown buddies can cause libpurple to crash
Published Oct 1, 2007
4.3
MEDIUMCVSS 2.0
EPSS 1.76%
Description
libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."
Affected products
Remediation
Red Hat statement
Not vulnerable. These issues did not affect the versions of Pidgin or Gaim as shipped with Red Hat Enterprise Linux 2.1, 3, 4, or 5.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.76% (0.01761) | 77.19th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.76% (0.01761) | 75.03th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.45% (0.01449) | 78.98th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.41% (0.03413) | 78.88th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.34% (0.01336) | 78.65th | v4 (v2025.03.14) |
| Dec 17, 2024 | 3.15% (0.03146) | 90.89th | v3 (v2023.03.01) |
| Nov 26, 2024 | 8.59% (0.08587) | 94.73th | v3 (v2023.03.01) |
| Sep 11, 2024 | 7.00% (0.07003) | 94.10th | v3 (v2023.03.01) |
| Jun 27, 2024 | 4.51% (0.04511) | 92.54th | v3 (v2023.03.01) |
| May 20, 2024 | 4.83% (0.04831) | 92.72th | v3 (v2023.03.01) |
| Mar 4, 2024 | 4.67% (0.04667) | 92.39th | v3 (v2023.03.01) |
| Oct 7, 2023 | 4.37% (0.04366) | 91.35th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.05% (0.04049) | 90.74th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Feb 13, 2023 | 1.97% (0.01974) | 78.46th | v2 (v2022.01.01) |
| Feb 3, 2023 | 2.17% (0.02172) | 80.18th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
No CWE recorded.
References (13)
- http://fedoranews.org/updates/FEDORA-2007-236.shtml vendor-advisoryx_refsource_FEDORA
- http://secunia.com/advisories/27010 third-party-advisoryx_refsource_SECUNIAPatchVendor Advisory
- http://secunia.com/advisories/27088 third-party-advisoryx_refsource_SECUNIA
- http://www.pidgin.im/news/security/?id=23 x_refsource_CONFIRMPatch
- http://www.securityfocus.com/archive/1/481402/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/25872 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2007/3321 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2007-4996 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=314451 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/36884 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2007-4996
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18261 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2007-4996
Change history (0)
No recorded changes yet.