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TI-2009-01308 Aliases CVE-2009-1375GHSA-5p6v-j9j4-qvgx

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not…

Priority LOW 27CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a certain buffer, which allows remote attackers to cause a denial of service (memory corruption and application crash) via vectors involving the (1) XMPP or (2) Sametime protocol.

Why it matters now

EPSS 0.02312 83rd percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

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 · 21

CPEVersionsRoleVendor
cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*up to 2.5.5VulnerablePidgin
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:2.0.2:*:linux:*:*:*:*:*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:*:*:*:*:*:*:*:* Versions up to 2.5.5 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:2.0.2:*:linux:*:*:*:*:* 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
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*2.3.0VulnerablePidgin
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:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 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

Remediation

Red Hat 1 advisory

  • RHSA-2009:1060 Released 2009-05-22 · Red Hat rating Important
    pidgin security update
    • Red Hat Enterprise Linux AS version 4 finch-2.5.5-2.el4, finch-2.5.5-2.el4.i386, finch-2.5.5-2.el4.ia64 +33
    • Red Hat Enterprise Linux Desktop (v. 5 client) finch-2.5.5-3.el5, finch-2.5.5-3.el5.i386, libpurple-2.5.5-3.el5 +9
    • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) finch-devel-2.5.5-3.el5, finch-devel-2.5.5-3.el5.i386, libpurple-devel-2.5.5-3.el5 +4
    • Red Hat Enterprise Linux Desktop version 4 finch-2.5.5-2.el4, finch-2.5.5-2.el4.i386, finch-devel-2.5.5-2.el4 +15
    • Red Hat Enterprise Linux ES version 4 finch-2.5.5-2.el4, finch-2.5.5-2.el4.i386, finch-2.5.5-2.el4.ia64 +24
    • Red Hat Enterprise Linux WS version 4 finch-2.5.5-2.el4, finch-2.5.5-2.el4.i386, finch-2.5.5-2.el4.ia64 +24

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2009:1060
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2009:1060
Red Hat Enterprise Linux Desktop Workstation (v. 5 client)Fixed RHSA-2009:1060
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2009:1060
Red Hat Enterprise Linux ES version 4Fixed RHSA-2009:1060
Red Hat Enterprise Linux WS version 4Fixed RHSA-2009:1060

Timeline

  1. 2026-10-02 Threatist record created from CVE-2009-1375
  2. 2026-10-03 Alias added: GHSA-5p6v-j9j4-qvgx

References

Patch 1

Advisory 8

Other 4

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences