Out-of-bounds read in Redis - CVE-2025-46819

Vulnerability identifier: #VU116640

CSH Severity: Medium

CVSS v4: 6.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-46819

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote user to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition when processing Lua scripts. A remote user  can trigger an out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.

Redis
Valkey
Debian Linux
SUSE Linux Enterprise Server 15 SP3
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP5
SUSE Manager Server 4.3
SUSE Manager Retail Branch Server 4.3
SUSE Manager Proxy 4.3
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise Real Time 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
Fedora
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for ARM 64
Anolis OS
Red Hat Enterprise Linux for x86_64
Server Applications Module
openSUSE Leap
openEuler
Ubuntu
EasyApache
IBM Aspera Desktop Client
IBM Aspera High-Speed Transfer Endpoint
IBM Aspera High-Speed Transfer Server
Dell Enterprise SONiC Distribution
redis-debuginfo
redis
redis-debugsource
redis6-doc
redis6-devel
redis6-debugsource
redis6-debuginfo
redis6
redis (Red Hat package)
redis-doc
redis-devel
redis7-debuginfo
redis7
redis7-debugsource
redis (Debian package)
valkey (Ubuntu package)
valkey
valkey (Red Hat package)
valkey-compat-redis
valkey-debuginfo
valkey-debugsource
valkey-devel
valkey (Debian package)
Juniper Junos Space

Install updates from vendor's website.

Redis - addressed in versions 6.2.20, 7.2.11, 7.4.6, 8.0.4, 8.2.2
EasyApache - update to 4 25-31
Valkey - addressed in versions 7.2.11, 8.0.6, 8.1.4
IBM Aspera Desktop Client - update to 4.4.7
IBM Aspera High-Speed Transfer Server - update to 4.4.7
IBM Aspera High-Speed Transfer Endpoint - update to 4.4.7
Dell Enterprise SONiC Distribution - update to 4.6.0
redis-debuginfo - addressed in versions 6.0.14-150200.6.43.1, 6.2.6-150400.3.40.1, 7.2.4-150600.3.18.1
redis - addressed in versions 6.0.14-150200.6.43.1, 6.2.6-150400.3.40.1, 7.2.4-150600.3.18.1
redis-debugsource - addressed in versions 6.0.14-150200.6.43.1, 6.2.6-150400.3.40.1, 7.2.4-150600.3.18.1
redis6-doc - addressed in versions 6.2.7-4, 6.2.7-6
redis6-devel - addressed in versions 6.2.7-4, 6.2.7-6
redis6-debugsource - addressed in versions 6.2.7-4, 6.2.7-6
redis6-debuginfo - addressed in versions 6.2.7-4, 6.2.7-6
redis6 - addressed in versions 6.2.7-4, 6.2.7-6
redis (Red Hat package) - update to 6.2.20-1.el9_6
redis - addressed in versions 6.2.20-1.0.1, 7.2.10-2
redis-doc - addressed in versions 6.2.20-1.0.1, 7.2.10-2
redis-devel - addressed in versions 6.2.20-1.0.1, 7.2.10-2
redis7-debuginfo - addressed in versions 7.0.8-150500.3.24.1, 7.0.8-150600.8.19.1
redis7 - addressed in versions 7.0.8-150500.3.24.1, 7.0.8-150600.8.19.1
redis7-debugsource - addressed in versions 7.0.8-150500.3.24.1, 7.0.8-150600.8.19.1
redis (Debian package) - addressed in versions 5:7.0.15-1~deb12u6, 5:8.0.2-3+deb13u1
valkey (Ubuntu package) - addressed in versions 7.2.11+dfsg1-0ubuntu0.2, 8.0.6+dfsg1-0ubuntu0.2, 8.1.4+dfsg1-0ubuntu0.2
redis-debugsource - update to 7.2.11-1
redis-debuginfo - update to 7.2.11-1
redis - update to 7.2.11-1
valkey - addressed in versions 8.0.6-1.el8, 8.0.6-1.el9, 8.0.6-1.fc41, 8.0.6-1.fc42, 8.1.4-1.fc43
valkey (Red Hat package) - addressed in versions 8.0.6-1.el10_0, 8.0.6-2.el9_7, 8.0.6-2.el10_1
valkey-compat-redis - addressed in versions 8.0.6-150600.13.17.1, 8.0.6-150700.3.11.1
valkey-debuginfo - addressed in versions 8.0.6-150600.13.17.1, 8.0.6-150700.3.11.1
valkey-debugsource - addressed in versions 8.0.6-150600.13.17.1, 8.0.6-150700.3.11.1
valkey - addressed in versions 8.0.6-150600.13.17.1, 8.0.6-150700.3.11.1
valkey-devel - addressed in versions 8.0.6-150600.13.17.1, 8.0.6-150700.3.11.1
valkey (Debian package) - update to 8.1.1+dfsg1-3+deb13u1
Juniper Junos Space - update to 26.1R1 Patch V1

• Exploit #12016 - CVE-2025-46819 (October 8, 2025)

• https://github.com/redis/redis/security/advisories/GHSA-4c68-q8q8-3g4f

• Multiple vulnerabilities in Redis
• Fedora 43 update for valkey
• Fedora 42 update for valkey
• Fedora 41 update for valkey
• Fedora EPEL 8 update for valkey
• Fedora EPEL 9 update for valkey
• Multiple vulnerabilities in Valkey
• Debian update for redis
• SUSE update for valkey
• SUSE update for redis7
• cPanel EasyApache4 update for third-party components
• SUSE update for redis7
• SUSE update for valkey
• SUSE update for redis
• SUSE update for redis
• SUSE update for redis
• Debian update for valkey
• openEuler 24.03 LTS update for redis
• openEuler 24.03 LTS SP2 update for redis
• openEuler 22.03 LTS SP3 update for redis
• openEuler 20.03 LTS SP4 update for redis
• openEuler 24.03 LTS SP1 update for redis
• openEuler 22.03 LTS SP4 update for redis
• Multiple vulnerabilities in IBM Aspera High-Speed Transfer Server, IBM Aspera High-Speed Transfer Endpoint and IBM Aspera Desktop Client
• Anolis OS update for redis
• Red Hat Enterprise Linux 9 update for redis
• Red Hat Enterprise Linux 8 update for the redis:6 module
• Red Hat Enterprise Linux 9 update for the redis:7 module
• Anolis OS update for redis:6 module
• Red Hat Enterprise Linux 10 update for valkey
• Red Hat Enterprise Linux 9 update for the redis:7 module
• Red Hat Enterprise Linux 9 update for valkey
• Red Hat Enterprise Linux 10 update for valkey
• Ubuntu update for valkey
• openEuler 24.03 LTS update for redis6
• openEuler 22.03 LTS SP4 update for redis6
• openEuler 22.03 LTS SP3 update for redis6
• openEuler 20.03 LTS SP4 update for redis6
• openEuler 24.03 LTS SP1 update for redis6
• openEuler 24.03 LTS SP2 update for redis6
• Multiple vulnerabilities in Junos Space
• Multiple vulnerabilities in Dell Enterprise SONiC Distribution