Apache Kvrocks: Stack buffer overflow in Lua bit.tohex() (CVE-2026-46752) | HOL Guard CVE

Critical · CVSS 10.0CVE-2026-46752

Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()

Answer in brief

CVE-2026-46752 records a Critical severity (CVSS 10.0) vulnerability in Apache Kvrocks: Stack buffer overflow in Lua bit.tohex(). The current sources do not mark it as known exploited. The current feed maps Apache Software Foundation/Apache Kvrocks (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 25, 2026Updated Jun 25, 2026Source checked Aug 7, 2026First seen by HOL Jun 25, 2026Material review Jun 25, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 10.0
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache Kvrocks (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Apache Software Foundation/Apache Kvrocksgeneric	2.0.4	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache Kvrocks.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jun 25, 2026

Sources and claim methodology

Upstream source description

Redis Lua HEAP overflow in cjson library vulnerability in Apache Kvrocks. This issue affects Apache Kvrocks: from 2.0.4 through 2.15.0. Users are recommended to upgrade to version 2.16.0, which fixes the issue.

Quoted source text, attributed separately from HOL analysis.

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Critical · CVSS 10.0CVE-2026-46752

Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()

Answer in brief

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jun 25, 2026Updated Jun 25, 2026Source checked Aug 7, 2026First seen by HOL Jun 25, 2026Material review Jun 25, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 10.0
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 10.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Apache Software Foundation/Apache Kvrocks (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Apache Software Foundation/Apache Kvrocksgeneric	2.0.4	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Apache Software Foundation/Apache Kvrocks.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Jun 25, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jun 25, 2026

Sources and claim methodology

Upstream source description

Quoted source text, attributed separately from HOL analysis.

Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()

Key facts

Why this deserves its current priority

Affected scope and exposure questions

Recommended response

Evidence timeline and material changes

Sources and claim methodology

Related CVEs

Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()

Key facts

Why this deserves its current priority

Affected scope and exposure questions

Recommended response

Evidence timeline and material changes

Sources and claim methodology

Related CVEs