CVE-2026-32286 (GCVE-0-2026-32286)

Vulnerability from cvelistv5 – Published: 2026-03-26 19:40 – Updated: 2026-07-01 12:04
VLAI
Title
Denial of service in github.com/jackc/pgproto3/v2
Summary
The DataRow.Decode function fails to properly validate field lengths. A malicious or compromised PostgreSQL server can send a DataRow message with a negative field length, causing a slice bounds out of range panic.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-125 - Out-of-bounds Read
  • CWE-1285 - Improper Validation of Specified Index, Position, or Offset in Input
Assigner
Go
References
URL Tags
https://github.com/advisories/GHSA-jqcq-xjh3-6g23
https://github.com/jackc/pgx/issues/2507
https://github.com/golang/vulndb/issues/4518
https://pkg.go.dev/vuln/GO-2026-4518
https://securityinfinity.com/research/memory-safe… exploit
https://access.redhat.com/security/cve/CVE-2026-32286 vdb-entryx_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2451847 issue-trackingx_refsource_REDHAT
https://security.access.redhat.com/data/csaf/v2/v… x_sadp-csaf-vex
https://access.redhat.com/errata/RHSA-2026:22450 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22714 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22423 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22347 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21769 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:23345 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:11070 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:11217 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:11916 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:11856 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:21017 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:24853 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:19375 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:22465 vendor-advisoryx_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2026:11996 vendor-advisoryx_refsource_REDHAT
Impacted products
Vendor Product Version
github.com/jackc/pgproto3/v2 github.com/jackc/pgproto3/v2 Unaffected: 0 , < 2.0.0 (semver)
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Red Hat Red Hat Enterprise Linux AppStream (v. 10)     cpe:/o:redhat:enterprise_linux:10.2
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Red Hat Red Hat Enterprise Linux AppStream (v. 9)     cpe:/a:redhat:enterprise_linux:9::appstream
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Red Hat Multicluster Global Hub 1.3.4     cpe:/a:redhat:multicluster_globalhub:1.3::el9
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Red Hat Multicluster Global Hub 1.4.5     cpe:/a:redhat:multicluster_globalhub:1.4::el9
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Red Hat Multicluster Global Hub 1.5.4     cpe:/a:redhat:multicluster_globalhub:1.5::el9
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Red Hat Multicluster Global Hub 1.6.2     cpe:/a:redhat:multicluster_globalhub:1.6::el9
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Red Hat Red Hat Advanced Cluster Security for Kubernetes 4.8     cpe:/a:redhat:advanced_cluster_security:4.8::el8
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Red Hat Red Hat Quay 3.10     cpe:/a:redhat:quay:3.10::el8
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Red Hat Red Hat Quay 3.12     cpe:/a:redhat:quay:3.12::el8
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Red Hat Red Hat Quay 3.14     cpe:/a:redhat:quay:3.14::el8
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Red Hat Red Hat Quay 3.15     cpe:/a:redhat:quay:3.15::el8
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Red Hat Red Hat Quay 3.16     cpe:/a:redhat:quay:3.16::el9
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Red Hat Red Hat Quay 3.17     cpe:/a:redhat:quay:3.17::el9
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Red Hat Red Hat Quay 3.9     cpe:/a:redhat:quay:3.9::el8
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Red Hat Assisted Installer for Red Hat OpenShift Container Platform 2     cpe:/a:redhat:assisted_installer:2
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Red Hat Multicluster Engine for Kubernetes     cpe:/a:redhat:multicluster_engine
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Red Hat Red Hat Advanced Cluster Management for Kubernetes 2     cpe:/a:redhat:acm:2
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Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
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Red Hat Red Hat OpenShift AI (RHOAI)     cpe:/a:redhat:openshift_ai
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Red Hat Red Hat OpenShift Cluster Manager CLI     cpe:/a:redhat:openshift_cluster_manager_cli:1
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Red Hat Red Hat OpenShift on AWS     cpe:/a:redhat:openshift_service_on_aws:1
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Red Hat Red Hat Quay 3     cpe:/a:redhat:quay:3
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Red Hat Multicluster Global Hub     cpe:/a:redhat:multicluster_globalhub
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Red Hat Red Hat Advanced Cluster Security 4     cpe:/a:redhat:advanced_cluster_security:4
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Red Hat Red Hat Hardened Images     cpe:/a:redhat:hummingbird:1
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Red Hat Red Hat OpenShift Container Platform 4     cpe:/a:redhat:openshift:4
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Red Hat Red Hat Trusted Artifact Signer     cpe:/a:redhat:trusted_artifact_signer:1
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          "url": "https://github.com/advisories/GHSA-jqcq-xjh3-6g23"
        },
        {
          "url": "https://github.com/jackc/pgx/issues/2507"
        },
        {
          "url": "https://github.com/golang/vulndb/issues/4518"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2026-4518"
        }
      ],
      "title": "Denial of service in github.com/jackc/pgproto3/v2"
    }
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    "dateReserved": "2026-03-11T16:38:46.556Z",
    "dateUpdated": "2026-07-01T12:04:50.953Z",
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}


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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.