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Medium [CVE-2026-14678] Information disclosure via buffer over-read in pg_trgm
Information disclosure via buffer over-read in pg_trgm. Red Hat rates this moderate (CVSS 4.3). Weakness: CWE-126. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 4 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Self-service automation portal 2; Red Hat package: postgresql16; Red Hat package: postgresql18.
Medium [CVE-2026-14672] User existence oracle in SCRAM authentication
Observable response discrepancy in PostgreSQL SCRAM authentication allows an unauthenticated user to test the existence of a user via observing the SCRAM iteration count. This requires the probed user to have a non-default scram_iterations count, because the authentication challenge for a nonexistent user reports the default scram_iterations. Within major versions 16-18, minor versions before PostgreSQL 18.5, 17.11, and 16.15 are affected. Unauthenticated attackers can verify if a specific user exists by observing the authentication iteration count, provided the targeted user is configured with a non-default scram_iterations value. A moderate-severity vulnerability in PostgreSQL allows unauthenticated attackers to enumerate valid users. By observing discrepancies in SCRAM authentication responses, attackers can identify users configured with a non-default scram_iterations count, which may facilitate targeted brute-force attacks. Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N). Weakness: CWE-204. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: postgresql16; Red Hat package: postgresql18.
Medium [CVE-2026-14666] Row security caching disregards role modifications leading to unauthorized data access
Row security caching disregards role modifications leading to unauthorized data access. Red Hat rates this moderate (CVSS 4.2). Weakness: CWE-524. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Self-service automation portal 2; and 2 more. Affected products named by the advisory: Red Hat package: postgresql16; Red Hat package: postgresql18.
Medium [CVE-2026-14663] PostgreSQL pgcrypto: Information disclosure via cleartext storage with disabled ciphers
PostgreSQL pgcrypto: Information disclosure via cleartext storage with disabled ciphers. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-312. Red Hat lists fixing advisory RHSA-2026:54751 with package postgresql18-main-18.6-0.1.hum1, postgresql17-main-17.11-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; and 5 more. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Self-service automation portal 2; Red Hat package: postgresql16; and 1 more.
Medium [CVE-2026-73584] Privileged file corruption and denial of service via insecure temporary file handling
Privileged file corruption and denial of service via insecure temporary file handling. Red Hat rates this moderate (CVSS 6.3). Weakness: CWE-377. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: sblim-sfcb.
Medium [CVE-2026-73583] Unsafe deserialization in sblim-sfcb provider-manager IPC allows out-of-bounds memory access via malformed OperationHdr
Unsafe deserialization in sblim-sfcb provider-manager IPC allows out-of-bounds memory access via malformed OperationHdr. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: sblim-sfcb.
Medium [CVE-2026-73585] Insecure temporary file creation in sblim-cmpi-base provider registration scripts allows local symlink attack
Insecure temporary file creation in sblim-cmpi-base provider registration scripts allows local symlink attack. Red Hat rates this moderate (CVSS 6.3). Weakness: CWE-377. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9.
Medium [CVE-2026-73621] Arbitrary File Truncation via Commit.count Argument Injection
Arbitrary File Truncation via Commit.count() Argument Injection. Red Hat rates this moderate (CVSS 5.4). Weakness: CWE-88. Affected products named by the advisory: Exploit Intelligence; Migration Toolkit for Applications 8; Pen Drive Powered by Red Hat Lightspeed; Red Hat AI Inference Server; and 7 more. Affected products named by the advisory: Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images; Red Hat OpenShift AI (RHOAI); and 3 more.
Medium [CVE-2026-73619] Arbitrary file read vulnerability via `Repo.archive `
Arbitrary file read vulnerability via `Repo.archive()`. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-22. Affected products named by the advisory: Exploit Intelligence; Migration Toolkit for Applications 8; Pen Drive Powered by Red Hat Lightspeed; Red Hat AI Inference Server; and 7 more. Affected products named by the advisory: Red Hat Ansible Automation Platform 2; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images; Red Hat OpenShift AI (RHOAI); and 3 more.
Medium [CVE-2026-19694] Heap-based Buffer Overflow in Wireshark
Heap-based Buffer Overflow in Wireshark. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-122.
Medium [CVE-2026-19695] Stack-based Buffer Overflow in Wireshark
Stack-based Buffer Overflow in Wireshark. Red Hat rates this moderate (CVSS 4.7). Weakness: CWE-121.
Medium [CVE-2026-19696] Out-of-bounds Write in Wireshark
Out-of-bounds Write in Wireshark. Red Hat rates this moderate (CVSS 6.6). Weakness: CWE-787.
Medium [CVE-2026-18728] Integer underflow in iscsiuio IPv4 DHCP parsing
Integer underflow in iscsiuio IPv4 DHCP parsing. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-191. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9.
Medium [CVE-2026-68454] Fix handling of AIF enable without AISB
Fix handling of AIF enable without AISB. Red Hat rates this moderate (CVSS 5.5). Weakness: CWE-476. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
Low [CVE-2026-55987] Administrator-deactivated accounts can be reactivated via OAuth2 sign-in
Administrator-deactivated accounts can be reactivated via OAuth2 sign-in. Red Hat rates this low (CVSS 3.5). Weakness: CWE-807.
Low [CVE-2026-55984] Denial of Service via Null Pointer Dereference in AddTime API
Denial of Service via Null Pointer Dereference in AddTime API. Red Hat rates this low (CVSS 2.7). Weakness: CWE-476.
Low [CVE-2026-6469] Incorrect ownership assignment allows unauthorized statistics modification
Incorrect ownership assignment in PostgreSQL ALTER TABLE ALTER TYPE command reassigns ownership of dependent statistics objects to the current user. This wrongly allows the table owner to run DROP STATISTICS and ALTER STATISTICS via this improper ownership. It wrongly denies those commands to the prior statistics object owner. DROP TABLE remains able to remove statistics objects, so this exploit achieves nothing in many ownership arrangements. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected. The overall impact is limited, as standard DROP TABLE operations still correctly remove the affected objects. This flaw has a Low impact on Red Hat products. Red Hat severity: Low — CVSS 3.8 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L). Weakness: CWE-708. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Self-service automation portal 2. Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Hardened Images as not affected. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: postgresql16; Red Hat package: postgresql18.
Low [CVE-2026-16241] Denial of Service via integer underflow
Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with bytes outside attacker knowledge or control. This typically yields a simple SIGSEGV, but rare cases might achieve client-specific integrity impact via the write. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected. This vulnerability causes the client to overwrite a large memory region, leading to a temporary denial of service (DoS). This Low impact flaw in PostgreSQL ECPG affects client applications. The limited scope to client-side disruption and the prerequisite of elevated server privileges contribute to its lower severity. Red Hat severity: Low — CVSS 3.8 (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L). Weakness: CWE-191. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Self-service automation portal 2. Red Hat lists Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Hardened Images as not affected. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: postgresql16; Red Hat package: postgresql18.
Low [CVE-2026-14673] PostgreSQL amcheck: Privilege escalation via untrusted search path
PostgreSQL amcheck: Privilege escalation via untrusted search path. Red Hat rates this low (CVSS 3.8). Weakness: CWE-426. Red Hat lists fixing advisory RHSA-2026:54751 with package postgresql18-main-18.6-0.1.hum1, postgresql17-main-17.11-1.hum1. Affected product named by the advisory: Red Hat Hardened Images.
Low [CVE-2026-73626] Extension allowlist bypass allows unauthorized installations
Extension allowlist bypass allows unauthorized installations. Red Hat rates this low. Weakness: CWE-358.