RockyLinux 9：postgresql:18 (RLSA-2026:26204)
high Nessus Plugin ID 321247
語言:
概要
遠端 RockyLinux 主機缺少一個或多個安全性更新。說明
遠端 RockyLinux 9 主機上安裝的套件受到 RLSA-2026:26204 公告中提及的多個弱點影響。* postgresql：PostgreSQL：pg_basebackup 和 pg_rewind 中存在透過符號連結追蹤劫持作業系統帳戶的問題 (CVE-2026-6475)
* postgresql：PostgreSQL libpq：緩衝區溢位允許伺服器超級使用者覆寫用戶端堆疊記憶體 (CVE-2026-6477)
* postgresql：PostgreSQL：透過 MD5 密碼比較中的隱藏定時通道復原憑證 (CVE-2026-6478)
* postgresql：整數溢位可導致配置過小及越界寫入 (CVE-2026-6473)
Tenable 已直接從 RockyLinux 安全公告擷取前置描述區塊。
請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。
解決方案
更新受影響的套件。另請參閱
https://errata.rockylinux.org/RLSA-2026:26204
https://bugzilla.redhat.com/show_bug.cgi?id=2477439
https://bugzilla.redhat.com/show_bug.cgi?id=2477442
Plugin 詳細資訊
嚴重性: High
ID: 321247
檔案名稱: rocky_linux_RLSA-2026-26204.nasl
版本: 1.3
類型: Local
已發布: 2026/6/16
已更新: 2026/6/20
支援的感應器: Nessus Agent, Continuous Assessment, Nessus
風險資訊
VPR
風險因素: Medium
分數: 6.7
CVSS v2
風險因素: Critical
基本分數: 10
時間性分數: 7.4
媒介: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
CVSS 評分資料來源: CVE-2026-6477
CVSS v3
風險因素: High
基本分數: 8.8
時間性分數: 7.7
媒介: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
時間媒介: CVSS:3.0/E:U/RL:O/RC:C
弱點資訊
CPE: p-cpe:/a:rocky:linux:postgresql-private-devel, p-cpe:/a:rocky:linux:postgresql-plperl, p-cpe:/a:rocky:linux:postgresql-server-devel, p-cpe:/a:rocky:linux:postgresql-static, p-cpe:/a:rocky:linux:postgresql, p-cpe:/a:rocky:linux:pgvector-debugsource, p-cpe:/a:rocky:linux:postgresql-contrib-debuginfo, p-cpe:/a:rocky:linux:postgresql-test-debuginfo, p-cpe:/a:rocky:linux:postgresql-server-devel-debuginfo, p-cpe:/a:rocky:linux:postgresql-upgrade-devel, p-cpe:/a:rocky:linux:postgresql-pltcl, cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:postgresql-upgrade, p-cpe:/a:rocky:linux:postgresql-plpython3, p-cpe:/a:rocky:linux:pgaudit-debuginfo, p-cpe:/a:rocky:linux:postgresql-test-rpm-macros, p-cpe:/a:rocky:linux:postgis-utils, p-cpe:/a:rocky:linux:postgresql-plperl-debuginfo, p-cpe:/a:rocky:linux:pgvector-debuginfo, p-cpe:/a:rocky:linux:postgis-debugsource, p-cpe:/a:rocky:linux:postgresql-contrib, p-cpe:/a:rocky:linux:postgresql-docs, p-cpe:/a:rocky:linux:postgresql-docs-debuginfo, p-cpe:/a:rocky:linux:postgis-upgrade-debuginfo, p-cpe:/a:rocky:linux:postgresql-plpython3-debuginfo, p-cpe:/a:rocky:linux:postgis-debuginfo, p-cpe:/a:rocky:linux:postgres-decoderbufs, p-cpe:/a:rocky:linux:pg_repack-debugsource, p-cpe:/a:rocky:linux:postgres-decoderbufs-debuginfo, p-cpe:/a:rocky:linux:postgres-decoderbufs-debugsource, p-cpe:/a:rocky:linux:postgresql-private-libs-debuginfo, p-cpe:/a:rocky:linux:pgvector, p-cpe:/a:rocky:linux:postgis-docs, p-cpe:/a:rocky:linux:postgresql-upgrade-debuginfo, p-cpe:/a:rocky:linux:postgresql-server-debuginfo, p-cpe:/a:rocky:linux:postgis-client, p-cpe:/a:rocky:linux:pg_repack-debuginfo, p-cpe:/a:rocky:linux:postgresql-server, p-cpe:/a:rocky:linux:postgresql-upgrade-devel-debuginfo, p-cpe:/a:rocky:linux:postgis-upgrade, p-cpe:/a:rocky:linux:postgresql-debuginfo, p-cpe:/a:rocky:linux:pgaudit, p-cpe:/a:rocky:linux:postgis-client-debuginfo, p-cpe:/a:rocky:linux:postgresql-test, p-cpe:/a:rocky:linux:postgresql-debugsource, p-cpe:/a:rocky:linux:pg_repack, p-cpe:/a:rocky:linux:postgis, p-cpe:/a:rocky:linux:pgaudit-debugsource, p-cpe:/a:rocky:linux:postgresql-private-libs, p-cpe:/a:rocky:linux:postgresql-pltcl-debuginfo
必要的 KB 項目: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
可輕鬆利用: No known exploits are available
修補程式發佈日期: 2026/6/17
弱點發布日期: 2026/5/14
參考資訊
CVE: CVE-2026-6473, CVE-2026-6475, CVE-2026-6477, CVE-2026-6478