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TI-2010-03535 Aliases CVE-2010-3711GHSA-hc55-4m8w-x8c2

libpurple in Pidgin before 2.7.4 does not properly validate the return value of the…

Priority LOW 25CWE-20Published · Updated

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

EPSS 0.0327 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 34

CPEVersionsRoleVendor
cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*up to 2.7.3VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*2.0.0VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*2.0.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*2.0.2VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*2.1.0VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*2.1.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*2.2.0VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*2.2.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*2.2.2VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*2.3.0VulnerablePidgin
  • 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
CPEVersionsRoleVendor
cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*2.3.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*2.4.0VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*2.4.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*2.4.2VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*2.4.3VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*2.5.0VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*2.5.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*2.5.2VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*2.5.3VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*2.5.4VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:*2.5.5VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:*2.5.6VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:*2.5.7VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:*2.5.8VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:*2.5.9VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*2.6.0VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*2.6.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*2.6.2VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*2.6.4VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*2.6.5VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*2.6.6VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:*2.7.0VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*2.7.1VulnerablePidgin
cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*2.7.2VulnerablePidgin
  • 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 Moderate
    pidgin 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 Moderate
    pidgin 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 →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed 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 4Fixed RHSA-2010:0788
Red Hat Enterprise Linux ES version 4Fixed 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 4Fixed 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

  1. 2026-10-02 Threatist record created from CVE-2010-3711
  2. 2026-10-03 Alias added: GHSA-hc55-4m8w-x8c2

References

  • TI-2019-15597 Pidgin 2.13.0 Denial of Service via Malformed Username CVSS 4.0MEDIUM 6.9
  • 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
  • TI-2017-01890 Out-of-bounds write in pidgin CVSS 3.0CRITICAL 9.8
  • TI-2011-02815 gtkutils.c in Pidgin before 2.10.0 on Windows allows user-assisted remote attackers to… CVSS 2.0HIGH 9.3
See all 86 →

Sources