LiveActive security incident?Get immediate response
CVE Record

CVE-2009-1375: The PurpleCircBuffer implementation in Pidgin (formerly Gaim) before 2.5.6 does not properly maintain a cer...

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.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2009-1375 is a remote crash issue in Pidgin, formerly Gaim, before version 2.5.6. A flaw in its PurpleCircBuffer handling can let an attacker crash the chat client through XMPP or Sametime protocol handling. The available sources describe denial of service, not confirmed code execution or active exploitation. Exposure is most likely on legacy endpoints or managed desktops still running Pidgin or Gaim before 2.5.6, especially where XMPP or Sametime accounts are configured. Modern environments are less likely exposed unless old distribution packages remain installed. Prioritize as legacy hygiene unless the business still uses affected Pidgin or Gaim clients. The expected impact is user disruption from client crashes, not server compromise based on available evidence. Mitigation focus: Upgrade Pidgin or Gaim to version 2.5.6 or later.; Apply relevant distribution security updates from vendor advisories.; Remove unsupported legacy Pidgin or Gaim installations..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2009-1375 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
7Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.