Out-of-bounds write in Redis - CVE-2025-32023

Vulnerability identifier: #VU112336

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2025-32023

CWE-ID: CWE-787

Exploitation vector: Remote access

Exploit availability: Public exploit is available

The vulnerability allows a remote user to compromise vulnerable system.

The vulnerability exists due to a boundary error on hyperloglog operations. A remote user can trigger an out-of-bounds write and execute arbitrary code on the target system.

Redis
Gentoo Linux
SUSE Linux Enterprise Server 15 SP5
SUSE Linux Enterprise Server 15 SP4
SUSE Linux Enterprise Server 15 SP3
Debian Linux
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Server for SAP Applications 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
Anolis OS
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Server Applications Module
openSUSE Leap
openEuler
Ubuntu
EasyApache
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
redis-debuginfo
redis
redis-debugsource
redis (Red Hat package)
redis6-debugsource
redis6-doc
redis6-devel
redis6-debuginfo
redis6
redis-doc
redis-devel
redis7-debugsource
redis7
redis7-debuginfo
redis (Ubuntu package)
redis (Debian package)
dev-db/redict
valkey-debugsource
valkey-devel
valkey-debuginfo
valkey
valkey-compat-redis
dev-db/redis
valkey (Red Hat package)

Install updates from vendor's website.

Redis - addressed in versions 6.2.19, 7.2.10, 7.4.5, 8.0.3
EasyApache - update to 4 25-23
redis-debuginfo - addressed in versions 6.0.14-150200.6.40.1, 6.2.6-150400.3.37.1, 7.2.4-150600.3.15.1
redis - addressed in versions 6.0.14-150200.6.40.1, 6.2.6-150400.3.37.1, 7.2.4-150600.3.15.1
redis-debugsource - addressed in versions 6.0.14-150200.6.40.1, 6.2.6-150400.3.37.1, 7.2.4-150600.3.15.1
redis (Red Hat package) - addressed in versions 6.2.6-1.el9_0.4, 6.2.7-1.el9_2.4, 6.2.7-1.el9_4.4
redis6-debugsource - addressed in versions 6.2.7-4, 6.2.7-6
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-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 - addressed in versions 6.2.19-1.0.1, 7.2.8-3
redis-doc - addressed in versions 6.2.19-1.0.1, 7.2.8-3
redis-devel - addressed in versions 6.2.19-1.0.1, 7.2.8-3
redis7-debugsource - addressed in versions 7.0.8-150500.3.21.1, 7.0.8-150600.8.16.1
redis7 - addressed in versions 7.0.8-150500.3.21.1, 7.0.8-150600.8.16.1
redis7-debuginfo - addressed in versions 7.0.8-150500.3.21.1, 7.0.8-150600.8.16.1
redis (Ubuntu package) - update to 5:7.0.15-1ubuntu0.24.04.3
redis (Debian package) - update to 5:7.0.15-1~deb12u5
redis - update to 7.2.10-1
redis-debuginfo - update to 7.2.10-1
redis-debugsource - update to 7.2.10-1
dev-db/redict - update to 7.3.5
valkey-debugsource - addressed in versions 8.0.2-150600.13.14.1, 8.0.2-150700.3.8.1
valkey-devel - addressed in versions 8.0.2-150600.13.14.1, 8.0.2-150700.3.8.1
valkey-debuginfo - addressed in versions 8.0.2-150600.13.14.1, 8.0.2-150700.3.8.1
valkey - addressed in versions 8.0.2-150600.13.14.1, 8.0.2-150700.3.8.1
valkey-compat-redis - addressed in versions 8.0.2-150600.13.14.1, 8.0.2-150700.3.8.1
dev-db/redis - update to 8.0.3
valkey - addressed in versions 8.0.4-1.el8, 8.0.4-1.el9, 8.0.4-1.fc41, 8.0.4-1.fc42
valkey (Red Hat package) - update to 8.0.4-1.el10_0

• Exploit #11790 - CVE-2025-32023 (July 18, 2025)

• https://github.com/redis/redis/security/advisories/GHSA-rp2m-q4j6-gr43
• https://github.com/redis/redis/releases/tag/6.2.19
• https://github.com/redis/redis/releases/tag/7.2.10
• https://github.com/redis/redis/releases/tag/7.4.5
• https://github.com/redis/redis/releases/tag/8.0.3

• Multiple vulnerabilities in Redis
• Fedora EPEL 8 update for valkey
• Fedora 42 update for valkey
• Fedora EPEL 9 update for valkey
• Fedora 41 update for valkey
• Anolis OS update for redis
• cPanel EasyApache4 update for Redis
• openEuler update for redis
• Red Hat Enterprise Linux 10 update for valkey
• Red Hat Enterprise Linux 8 update for the redis:6 module
• Red Hat Enterprise Linux 9 update for the redis:7 module
• Red Hat Enterprise Linux 9 update for redis
• SUSE update for redis
• Debian update for redis
• Red Hat Enterprise Linux 9 update for redis
• SUSE update for valkey
• SUSE update for valkey
• Red Hat Enterprise Linux 9 update for redis
• Red Hat Enterprise Linux 8 update for the redis:6 module
• SUSE update for redis
• SUSE update for redis
• SUSE 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
• SUSE update for redis
• Red Hat Enterprise Linux 8 update for the redis:6 module
• Gentoo update for redict, redis
• 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
• Ubuntu update for redis