Redis Crash Report debug.c sigsegvHandler denial of service
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-404.
Summary
** DISPUTED ** A vulnerability, which was classified as problematic, was found in Redis up to 6.2.7/7.0.5. Affected is the function sigsegvHandler of the file debug.c of the component Crash Report. The manipulation leads to denial of service. The complexity of an attack is rather high. The exploitability is told to be difficult. The real existence of this vulnerability is still doubted at the moment. Upgrading to version 6.2.8 and 7.0.6 is able to address this issue. The patch is identified as 0bf90d944313919eb8e63d3588bf63a367f020a3. It is recommended to apply a patch to fix this issue. VDB-211962 is the identifier assigned to this vulnerability. NOTE: The vendor claims that this is not a DoS because it applies to the crash logging mechanism which is triggered after a crash has occurred.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Redis | 6.2.0; 6.2.1; 6.2.2; 6.2.3; 6.2.4; 6.2.5; 6.2.6; 6.2.7; 7.0.0; 7.0.1; 7.0.2; 7.0.3; 7.0.4; 7.0.5 | — | No fix listed | CNA |
- Redis Vendor— Affected 6.2.0; 6.2.1; 6.2.2; 6.2.3; 6.2.4; 6.2.5; 6.2.6; 6.2.7; 7.0.0; 7.0.1; 7.0.2; 7.0.3; 7.0.4; 7.0.5 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat 3scale API Management Platform 2 | Affected | No fix yet |
| Red Hat Advanced Cluster Management for Kubernetes 2 | Affected | No fix yet: Fix deferred |
| Red Hat Ansible Tower 3 | Affected | No fix yet |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
| Red Hat Fuse 7 | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 13 (Queens) | Affected | No fix planned: Out of support scope |
| Red Hat Software Collections | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2022-3647
- 2026-10-03 Alias added: GHSA-8vvp-2mv7-px5c
- 2026-10-31 EPSS moved to the 50th–90th percentile
More Redis vulnerabilities
- TI-2022-00463 Missing authorization in Debian redis KEVCVSS 3.1CRITICAL 10.0
- TI-2025-31759 Redis Lua Use-After-Free may lead to remote code execution CVSS 3.1CRITICAL 10.0
- TI-2023-18618 Heap overflow in COMMAND GETKEYS and ACL evaluation in Redis CVSS 3.1HIGH 8.8
- TI-2024-20813 Lua library commands may lead to stack overflow and RCE in Redis CVSS 3.1HIGH 8.8
- TI-2022-08647 Heap overflow issue with the Lua cjson library used by Redis CVSS 3.1HIGH 8.8
- TI-2022-08549 Lua scripts can be manipulated to overcome ACL rules in Redis CVSS 3.1HIGH 7.8
Sources
- CVE-2022-3647 · CVE Program
- CVE-2022-3647 · NVD
- FIRST EPSS
- GHSA-8vvp-2mv7-px5c · GitHub Advisory Database · CC BY 4.0
- CVE-2022-3647 · Red Hat security data · CC BY 4.0
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