pidgin: ICQ X-Status denial of service (NULL deref)
Published Jul 29, 2010
4.0
MEDIUMCVSS 2.0
EPSS 2.42%
Description
The clientautoresp function in family_icbm.c in the oscar protocol plugin in libpurple in Pidgin before 2.7.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via an X-Status message that lacks the expected end tag for a (1) desc or (2) title element.
Affected products
No data.
- ≤ 2.7.1
- 2.0.0
- 2.0.1
- 2.0.2
- 2.1.0
- 2.1.1
- 2.2.0
- 2.2.1
- 2.2.2
- 2.3.0
- 2.3.1
- 2.4.0
- 2.4.1
- 2.4.2
- 2.4.3
- 2.5.0
- 2.5.1
- 2.5.2
- 2.5.3
- 2.5.4
- 2.5.5
- 2.5.6
- 2.5.7
- 2.5.8
- 2.5.9
- 2.6.0
- 2.6.1
- 2.6.2
- 2.6.4
- 2.6.5
- 2.6.6
- 2.7.0
No data.
Red Hat Enterprise Linux 4
pidgin
Not affected
Red Hat Enterprise Linux 5
pidgin
Not affected
Red Hat Enterprise Linux 6
pidgin
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 4 | pidgin | Not affected | n/a |
| Red Hat Enterprise Linux 5 | pidgin | Not affected | n/a |
| Red Hat Enterprise Linux 6 | pidgin | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the versions of pidgin as shipped with Red Hat Enterprise Linux 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:L/Au:S/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 3, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.42% (0.02423) | 83.63th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.42% (0.02423) | 81.99th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.08% (0.02081) | 82.41th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.90% (0.03900) | 80.17th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.01% (0.02007) | 82.50th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.39% (0.01385) | 86.90th | v3 (v2023.03.01) |
| May 7, 2024 | 1.39% (0.01390) | 86.28th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.39% (0.01390) | 84.28th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.81% (0.01815) | 77.08th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.81% (0.01815) | 77.03th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.81% (0.01815) | 75.00th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.81% (0.01815) | 54.30th | v2 (v2022.01.01) |
References (15)
- http://developer.pidgin.im/viewmtn/revision/diff/fcb70f7c12120206d30ad33223ff85be7b226d1c/with/8e8ff246492e45af8f8d0808296d6f2906794dc0/libpurple/protocols/oscar/family_icbm.c x_refsource_CONFIRM
- http://developer.pidgin.im/viewmtn/revision/info/8e8ff246492e45af8f8d0808296d6f2906794dc0 x_refsource_CONFIRM
- http://secunia.com/advisories/40699 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://slackware.com/security/viewer.php?l=slackware-security&y=2010&m=slackware-security.462873 vendor-advisoryx_refsource_SLACKWARE
- http://www.osvdb.org/66506 vdb-entryx_refsource_OSVDB
- http://www.pidgin.im/news/security/index.php?id=47 x_refsource_CONFIRMPatchVendor Advisory
- http://www.securityfocus.com/bid/41881 vdb-entryx_refsource_BID
- http://www.vupen.com/english/advisories/2010/1887 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2010/2221 vdb-entryx_refsource_VUPEN
- https://access.redhat.com/security/cve/CVE-2010-2528 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=617105 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/60566 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2010-2528
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18359 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2010-2528
Change history (0)
No recorded changes yet.