CVE Explorer
CVE-2026-6664
An integer overflow in network packet parsing code in PgBouncer before 1.25.2 bypasses a boundary check and can lead to a crash. An unauthenticated remote attacker can crash PgBouncer with a malformed SCRAM authentication packet.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"PgBouncer","vendor":"n/a","versions":[{"lessThan":"1.25.2","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:7975e9adf7cece5a0d2552cef8c9281bfc215b136167e4cd0b678a36e9b7d90b · sha256:0fc42c9db351de9f… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:7975e9adf7cece5a0d2552cef8c9281bfc215b136167e4cd0b678a36e9b7d90b · sha256:0fc42c9db351de9f… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-190","description":"Integer Overflow or Wraparound","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:7975e9adf7cece5a0d2552cef8c9281bfc215b136167e4cd0b678a36e9b7d90b · sha256:0fc42c9db351de9f… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.pgbouncer.org/changelog.html#pgbouncer-125x"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:7975e9adf7cece5a0d2552cef8c9281bfc215b136167e4cd0b678a36e9b7d90b · sha256:0fc42c9db351de9f… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.