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CVE-2026-42198

A flaw was found in pgjdbc, an open-source PostgreSQL JDBC Driver. A malicious server can exploit this vulnerability by instructing the driver to perform SCRAM-SHA-256 (Salted Challenge Response Authentication Mechanism Secure Hash Algorithm 256) authentication with an excessively large iteration count. This causes the client to spend an unbounded amount of CPU time performing PBKDF2 (Password-Based Key Derivation Function 2) computations, leading to a client-side Denial of Service (DoS). This c
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:836d9ac77bd7151e456cf48676e742e9fe44a3e8fd2b5e27aeae2d8284ab51d8
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 8 assertions

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:quarkus:3.27::el8"],"defaultStatus":"unaffected","packageName":"pgjdbc","product":"Red Hat build of Quarkus 3.27.3.SP2","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/0

{"product":"pgjdbc","vendor":"pgjdbc","versions":[{"status":"affected","version":">= 42.2.0, < 42.7.11"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/cna/affected/0

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:42.2.28-2.el9_8.2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/3

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:42.7.2-1.el10_2.2","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/1

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:42.2.14-4.el8_10","versionType":"rpm"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/2

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_broker:7"],"defaultStatus":"affected","packageName":"postgresql","product":"Red Hat AMQ Broker 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/4

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/5

{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/6
cwe · 2 assertions

{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/problemTypes/0/descriptions/0

Affected products and versions

8 source assertions
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:quarkus:3.27::el8"],"defaultStatus":"unaffected","packageName":"pgjdbc","product":"Red Hat build of Quarkus 3.27.3.SP2","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/0
{"product":"pgjdbc","vendor":"pgjdbc","versions":[{"status":"affected","version":">= 42.2.0, < 42.7.11"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/cna/affected/0
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:9"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 9","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:42.2.28-2.el9_8.2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/3
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:10.2"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 10","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:42.7.2-1.el10_2.2","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/1
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:enterprise_linux:8"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 8","vendor":"Red Hat","versions":[{"lessThan":"*","status":"unaffected","version":"0:42.2.14-4.el8_10","versionType":"rpm"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/2
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/a:redhat:amq_broker:7"],"defaultStatus":"affected","packageName":"postgresql","product":"Red Hat AMQ Broker 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/4
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:6"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 6","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/5
{"collectionURL":"https://access.redhat.com/downloads/content/package-browser/","cpes":["cpe:/o:redhat:enterprise_linux:7"],"defaultStatus":"affected","packageName":"postgresql-jdbc","product":"Red Hat Enterprise Linux 7","vendor":"Red Hat"}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/affected/6

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","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_v5cvss
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","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_v5cvss
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/metrics/1/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-770","description":"Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/problemTypes/0/descriptions/0

Source references

9 source assertions
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:19098"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/references/6
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:22304"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/references/5
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:24348"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/references/3
{"tags":["vendor-advisory","x_refsource_REDHAT"],"url":"https://access.redhat.com/errata/RHSA-2026:25030"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/references/4
{"tags":["vdb-entry","x_refsource_REDHAT"],"url":"https://access.redhat.com/security/cve/CVE-2026-42198"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/references/0
{"name":"RHBZ#2463857","tags":["issue-tracking","x_refsource_REDHAT"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2463857"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/references/1
{"name":"https://github.com/pgjdbc/pgjdbc/releases/tag/REL42.7.11","tags":["x_refsource_MISC"],"url":"https://github.com/pgjdbc/pgjdbc/releases/tag/REL42.7.11"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/cna/references/1
{"name":"https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq","tags":["x_refsource_CONFIRM"],"url":"https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/cna/references/0
{"tags":["x_sadp-csaf-vex"],"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42198.json"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:31e85b8a66d849cb023a2a864678ec2a95d71f22e84f5667fca9eededdce05ea · sha256:6a639fbc70e48a8c… · /containers/adp/1/references/2

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.

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