01 Record
CVE-2026-46752
Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()
CriticalPUBLISHEDCNA: apache
CNA base score10.0 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
02 Description
Apache Kvrocks: Stack buffer overflow in Lua bit.tohex()
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.48% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 41.1% of scored records. A rank, not a probability.
- NVD base score
- 10.0 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-25.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-06-25 08:00Z4 MO AGO
- Last updated
- 2026-06-25 12:21Z4 MO AGO
- Reserved
- 2026-05-18
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 10.0)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- Weaknesses
- CWE-122Heap-based Buffer OverflowVariant
- Data version
- 5.2
- Document digest
- cd46374bd4595eb310827aff324fcff5999101b0db991b5592e2cdbd1e83c4ae
05 Affected products
VendorProductVersionsPlatforms
06 References
- lists.apache.orghttps://lists.apache.org/thread/11sr3bkkhkk0q01odgw6ddsj7fzo31pt
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/06/25/4