libpurple in Pidgin before 2.7.4 does not properly validate the return value of the…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
libpurple in Pidgin before 2.7.4 does not properly validate the return value of the purple_base64_decode function, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a crafted message, related to the plugins for MSN, MySpaceIM, XMPP, and Yahoo! and the NTLM authentication support.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 34
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:* | up to 2.7.3 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:* | 2.0.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:* | 2.0.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:* | 2.1.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:* | 2.1.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:* | 2.2.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:* | 2.2.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:* | 2.2.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:* | 2.3.0 | Vulnerable | Pidgin |
- cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:* Versions up to 2.7.3 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:* Versions 2.0.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:* Versions 2.1.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:* Versions 2.1.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:* Versions 2.2.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:* Versions 2.2.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:* Versions 2.2.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Pidgin
Show 24 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:* | 2.3.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:* | 2.4.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:* | 2.4.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:* | 2.4.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:* | 2.4.3 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:* | 2.5.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:* | 2.5.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:* | 2.5.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:* | 2.5.3 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:* | 2.5.4 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:* | 2.5.5 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:* | 2.5.6 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:* | 2.5.7 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:* | 2.5.8 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:* | 2.5.9 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:* | 2.6.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:* | 2.6.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:* | 2.6.2 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:* | 2.6.4 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:* | 2.6.5 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:* | 2.6.6 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:* | 2.7.0 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:* | 2.7.1 | Vulnerable | Pidgin |
| cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:* | 2.7.2 | Vulnerable | Pidgin |
- cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:* Versions 2.3.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:* Versions 2.4.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:* Versions 2.4.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:* Versions 2.4.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:* Versions 2.4.3 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:* Versions 2.5.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:* Versions 2.5.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:* Versions 2.5.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:* Versions 2.5.3 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:* Versions 2.5.4 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:* Versions 2.5.5 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:* Versions 2.5.6 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:* Versions 2.5.7 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:* Versions 2.5.8 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:* Versions 2.5.9 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:* Versions 2.6.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:* Versions 2.6.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:* Versions 2.6.2 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:* Versions 2.6.4 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:* Versions 2.6.5 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:* Versions 2.6.6 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:* Versions 2.7.0 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:* Versions 2.7.1 Vulnerable ·Pidgin
- cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:* Versions 2.7.2 Vulnerable ·Pidgin
Remediation
Red Hat 2 advisories
- RHSA-2010:0890 Released 2010-11-16 · Red Hat rating Moderatepidgin security update
- Red Hat Enterprise Linux Desktop (v. 6) libpurple-2.6.6-6.el6_0, pidgin-2.6.6-6.el6_0
- Red Hat Enterprise Linux Desktop Optional (v. 6) finch-2.6.6-6.el6_0, finch-devel-2.6.6-6.el6_0, libpurple-devel-2.6.6-6.el6_0 +6
- Red Hat Enterprise Linux Server Optional (v. 6) finch-2.6.6-6.el6_0, finch-2.6.6-6.el6_0.ppc, finch-devel-2.6.6-6.el6_0 +12
- Red Hat Enterprise Linux Workstation (v. 6) libpurple-2.6.6-6.el6_0, pidgin-2.6.6-6.el6_0
- Red Hat Enterprise Linux Workstation Optional (v. 6) finch-2.6.6-6.el6_0, finch-devel-2.6.6-6.el6_0, libpurple-devel-2.6.6-6.el6_0 +6
- RHSA-2010:0788 Released 2010-10-21 · Red Hat rating Moderatepidgin security update
- Red Hat Enterprise Linux AS version 4 finch-2.6.6-5.el4_8, finch-2.6.6-5.el4_8.i386, finch-2.6.6-5.el4_8.ia64 +33
- Red Hat Enterprise Linux Desktop (v. 5 client) finch-2.6.6-5.el5_5, finch-2.6.6-5.el5_5.i386, libpurple-2.6.6-5.el5_5 +9
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) finch-devel-2.6.6-5.el5_5, finch-devel-2.6.6-5.el5_5.i386, libpurple-devel-2.6.6-5.el5_5 +4
- Red Hat Enterprise Linux Desktop version 4 finch-2.6.6-5.el4_8, finch-2.6.6-5.el4_8.i386, finch-devel-2.6.6-5.el4_8 +15
- Red Hat Enterprise Linux ES version 4 finch-2.6.6-5.el4_8, finch-2.6.6-5.el4_8.i386, finch-2.6.6-5.el4_8.ia64 +24
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) finch-2.6.6-5.el5_5, finch-2.6.6-5.el5_5.i386, finch-devel-2.6.6-5.el5_5 +15
- Red Hat Enterprise Linux WS version 4 finch-2.6.6-5.el4_8, finch-2.6.6-5.el4_8.i386, finch-2.6.6-5.el4_8.ia64 +24
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS version 4 | Fixed | RHSA-2010:0788 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2010:0788 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2010:0890 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2010:0890 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2010:0788 |
| Red Hat Enterprise Linux Desktop version 4 | Fixed | RHSA-2010:0788 |
| Red Hat Enterprise Linux ES version 4 | Fixed | RHSA-2010:0788 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2010:0788 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2010:0890 |
| Red Hat Enterprise Linux WS version 4 | Fixed | RHSA-2010:0788 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2010:0890 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2010:0890 |
Timeline
- 2026-10-02 Threatist record created from CVE-2010-3711
- 2026-10-03 Alias added: GHSA-hc55-4m8w-x8c2
References
Patch 3
Advisory 10
More Pidgin vulnerabilities
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- TI-2009-02576 The msn_slplink_process_msg function in libpurple/protocols/msn/slplink.c in libpurple… CVSS 2.0HIGH 10.0
- TI-2013-05439 The SIMPLE protocol functionality in Pidgin before 2.10.8 allows remote attackers to have… CVSS 2.0HIGH 10.0
- TI-2009-01309 Multiple integer overflows in the msn_slplink_process_msg functions in the MSN protocol… CVSS 2.0HIGH 9.3
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- TI-2011-02815 gtkutils.c in Pidgin before 2.10.0 on Windows allows user-assisted remote attackers to… CVSS 2.0HIGH 9.3
Sources
- CVE-2010-3711 · CVE Program
- CVE-2010-3711 · NVD
- FIRST EPSS
- GHSA-hc55-4m8w-x8c2 · GitHub Advisory Database · CC BY 4.0
- CVE-2010-3711 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences