Security readout for executives and security teams
Plain-English summary
Redis instances on affected 3.x, 4.x, and 5.x releases can be crashed or potentially compromised by a highly privileged attacker who can manipulate HyperLogLog data. This is serious for exposed or shared Redis deployments, but the provided sources do not show known active exploitation.
Executive priority
Patch during the next urgent maintenance window for internet-exposed, multi-tenant, or business-critical Redis. Internal single-tenant instances still need remediation, but urgency depends on who can write to Redis and whether vendor fixes are already backported.
Technical view
CVE-2019-10192 is a CWE-122 heap-buffer overflow in Redis HyperLogLog dense encoding. A corrupted HyperLogLog value can cause Redis to write up to 3 bytes past a heap buffer. Affected versions are 3.x before 3.2.13, 4.x before 4.0.14, and 5.x before 5.0.4. CVSS v3.0 is 7.2.
Likely exposure
Exposure is limited to Redis deployments running the listed vulnerable versions or unfixed vendor builds. CVSS indicates network attackability but requires high privileges, so prioritize Redis services reachable by administrators, applications, or tenants with write capability.
Exploitation context
The source bundle describes the vulnerability mechanics but provides no KEV listing and no cited evidence of active exploitation. Treat this as a high-impact memory corruption issue requiring privileged Redis access, not as confirmed in-the-wild exploitation.
Researcher notes
Focus validation on version provenance and package backports. The CVSS privilege requirement is high, but confidentiality, integrity, and availability impacts are all rated high. Do not assume exploitability beyond the documented out-of-bounds write without additional vendor or exploitability evidence.
Mitigation direction
- Upgrade Redis to 3.2.13, 4.0.14, 5.0.4, or later.
- Apply fixed Redis packages from your OS vendor security advisory.
- Confirm vendor backports if package versions do not match upstream fixed versions.
- Retire unsupported Redis branches where no maintained fix is available.
Validation and detection
- Inventory all Redis servers and managed Redis images.
- Compare Redis versions against the vulnerable version ranges.
- Verify OS package changelogs or advisories include the CVE fix.
- Prioritize instances reachable over the network by privileged writers.
- Run service regression tests after Redis package updates.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-122: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2019-10192 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.2 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H1.25.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.2HighVector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- DSA-4480CVE reference · vendor-advisory, x_refsource_DEBIAN
- 20190712 [SECURITY] [DSA 4480-1] redis security updateCVE reference · mailing-list, x_refsource_BUGTRAQ
- USN-4061-1CVE reference · vendor-advisory, x_refsource_UBUNTU
- RHSA-2019:1819CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2019:1860CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2019:2002CVE reference · vendor-advisory, x_refsource_REDHAT
- GLSA-201908-04CVE reference · vendor-advisory, x_refsource_GENTOO
- RHSA-2019:2508CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2019:2506CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2019:2621CVE reference · vendor-advisory, x_refsource_REDHAT
- RHSA-2019:2630CVE reference · vendor-advisory, x_refsource_REDHAT
- https://www.oracle.com/security-alerts/cpujul2020.htmlCVE reference · x_refsource_MISC
- https://raw.githubusercontent.com/antirez/redis/3.2/00-RELEASENOTESCVE reference · x_refsource_MISC
- https://raw.githubusercontent.com/antirez/redis/4.0/00-RELEASENOTESCVE reference · x_refsource_MISC
- https://raw.githubusercontent.com/antirez/redis/5.0/00-RELEASENOTESCVE reference · x_refsource_MISC
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-10192CVE reference · x_refsource_CONFIRM
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Heap-based Buffer Overflow
Heap-based Buffer Overflow represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.