Red Hat Security Advisory: valkey security update
Affects Red Hat valkeySource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 8.5 High · fixed in Red Hat package updates : patch Red Hat valkey soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.6% chance of exploitation in 30 days – higher than 50% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 9.0.2, 8.1.6, 8.0.7 +1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:HExploitation evidence
Disclosed: evidence found.
CVE published 23 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade valkey and valkey-io/valkey to 9.0.2, 8.1.6, 8.0.7 or 7.2.12.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| valkey-iovalkey | Affected
| Fixed in
|
| valkey-iovalkey | Affected
| Fixed in
|
| valkey-iovalkey | Affected
| Fixed in
|
| valkey-iovalkey | Affected
| Fixed in
|
GitHubvalkey-io/valkeypkg:github/valkey-io/valkeyOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Red Hat has released an updated valkey package version 8.0.7-1.el10_1 that addresses these vulnerabilities. Users of Red Hat Enterprise Linux 10 should apply this update promptly following Red Hat's official guidance at https://access.redhat.com/articles/11258. No additional mitigation steps are indicated beyond applying the official patch.
Description
This update for valkey fixes the following issues - CVE-2025-67733: data tampering and denial of service via improper null character handling in Lua scripts (bsc#1258746). - CVE-2026-21863: denial of service via invalid clusterbus packet (bsc#1258788). - CVE-2026-23479: use-after-free in unblock client flow may lead to remote code execution (bsc#1264164). - CVE-2026-23631: Lua use-after-free via the master-replica synchronization mechanism may lead to remote code execution (bsc#1264165). - CVE-2026-25243: invalid memory access in RESTORE command via a specially crafted serialized payload may lead to remote code execution (bsc#1264166). Changes for valkey: - Update to 8.0.9. - Update to 8.0.7: * Fix ltrim should not call signalModifiedKey when no elements are removed (#2787) * Fix chained replica crash when doing dual channel replication (#2983) * Fix used_memory_dataset underflow due to miscalculated used_memory_overhead (#3005) * Avoids crash during MODULE UNLOAD when ACL rules reference a module command and subcommand (#3160) * Fix server assert on ACL LOAD and resetchannels (#3182) * Fix bug causing no response flush sometimes when IO threads are busy (#3205)
References
- access.redhat.com/errata/RHSA-2026:3443 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2442025 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2442026 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3443.json (opens in a new tab)
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_20776-1.json (opens in a new tab)
- bugzilla.suse.com/1258746 (opens in a new tab)
- bugzilla.suse.com/1258788 (opens in a new tab)
- bugzilla.suse.com/1264164 (opens in a new tab)
- bugzilla.suse.com/1264165 (opens in a new tab)
- bugzilla.suse.com/1264166 (opens in a new tab)
- suse.com/security/cve/CVE-2025-67733/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-21863/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23479/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-23631/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-25243/ (opens in a new tab)