Security readout for executives and security teams
CVE-2015-4054 is a remote denial-of-service flaw in PgBouncer before 1.5.5. An out-of-order authentication packet can crash the service, interrupting database connection pooling and potentially disrupting applications that rely on it. The source bundle provides no CVSS score, CWE, or evidence of active exploitation. Exposure is likely limited to environments running PgBouncer versions earlier than 1.5.5, especially where the PgBouncer listener is reachable from untrusted networks. The bundle does not provide CPEs, distribution version mappings beyond Gentoo advisory context, or deployment prevalence. Prioritize remediation for internet-exposed or business-critical PgBouncer services because a crash can interrupt application database access. Internal, already-upgraded, or tightly restricted deployments carry lower urgency. Lack of active exploitation evidence reduces emergency pressure, but availability impact is credible. Mitigation focus: Upgrade PgBouncer instances older than 1.5.5 using vendor-supported packages.; Follow applicable distribution guidance, including Gentoo GLSA-201701-24 where relevant.; Restrict PgBouncer listener access to trusted application hosts where architecture allows..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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
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Credential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2015-4054 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/pgbouncer/pgbouncer/commit/edab5be6665b9e8de66c25ba527509b229468573CVE reference · x_refsource_CONFIRM
- https://github.com/pgbouncer/pgbouncer/commit/74d6e5f7de5ec736f71204b7b422af7380c19ac5CVE reference · x_refsource_CONFIRM
- https://pgbouncer.github.io/changelog.html#pgbouncer-15xCVE reference · x_refsource_CONFIRM
- https://github.com/pgbouncer/pgbouncer/issues/42CVE reference · x_refsource_CONFIRM
- GLSA-201701-24CVE reference · vendor-advisory, x_refsource_GENTOO
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.