CVE-2026-107315

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{"bugzilla": {"description": "org.postgresql/postgresql: PostgreSQL JDBC Driver: Information disclosure via residual send buffer padding", "id": "2547744", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547744"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-908", "details": ["A flaw was found in the PostgreSQL JDBC Driver (pgjdbc). When an application transmits a value shorter than its declared length, the driver pads the remaining data with residual bytes from its internal send buffer instead of zero bytes. An attacker who can induce the application to store and subsequently retrieve such data can access sensitive information, including previously executed database queries and parameters from earlier transactions on pooled connections."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-107315", "package_state": [{"cpe": "cpe:/a:redhat:amq_broker:7", "fix_state": "Fix deferred", "package_name": "postgresql", "product_name": "Red Hat AMQ Broker 7"}, {"cpe": "cpe:/a:redhat:apicurio_registry:3", "fix_state": "Fix deferred", "package_name": "postgresql", "product_name": "Red Hat build of Apicurio Registry 3"}, {"cpe": "cpe:/a:redhat:debezium:3", "fix_state": "Fix deferred", "package_name": "postgresql", "product_name": "Red Hat build of Debezium 3"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Fix deferred", "package_name": "postgresql", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Fix deferred", "package_name": "rhbk/keycloak-rhel9", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:quarkus:3", "fix_state": "Not affected", "package_name": "postgresql", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "postgresql-jdbc", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "javapackages-tools:201801/maven-assembly-plugin", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mariadb:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "mariadb-devel:10.3/mariadb", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "postgresql-jdbc", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Not affected", "package_name": "postgresql", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "mariadb10.11", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Fix deferred", "package_name": "devspaces/openvsx-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Fix deferred", "package_name": "devspaces/pluginregistry-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openshift_devspaces:3", "fix_state": "Fix deferred", "package_name": "devspaces/server-rhel9", "product_name": "Red Hat OpenShift Dev Spaces"}, {"cpe": "cpe:/a:redhat:openstack:13", "fix_state": "Not affected", "package_name": "mariadb", "product_name": "Red Hat OpenStack Platform 13 (Queens)"}, {"cpe": "cpe:/a:redhat:satellite:6", "fix_state": "Fix deferred", "package_name": "candlepin", "product_name": "Red Hat Satellite 6"}], "public_date": "2026-10-07T23:03:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-107315\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-107315\nhttps://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-f64h-wr5q-3qf3"], "statement": "This vulnerability is rated as having a Moderate impact for Red Hat products because exploitation requires specific prerequisites, including custom application logic that misdeclares stream sizes and an attacker who can retrieve the written database records. In deployments utilizing shared connection pools, residual send buffer memory containing earlier database transaction details can be inadvertently committed to storage. Core Red Hat Enterprise Linux releases are unaffected as they include driver versions preceding the introduction of this flaw, limiting exposure primarily to select containerized middleware services.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[42.7.4,42.7.13]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pgjdbc", "source": "cna", "vendor": "pgjdbc"}, "product": "pgjdbc", "vendor": "pgjdbc"}], "created": "2026-10-08T00:30:04.511777+00:00", "updated": "2026-10-09T03:45:16.897057+00:00", "vendors": ["pgjdbc", "pgjdbc$PRODUCT$pgjdbc"]}