CVE-2026-11822
High8.5SQLite before 3.53.2 contains memory corruption vulnerabilities in the FTS5 full-text search extension that allow attackers to cause process crashes, memory exhaustion, or arbitrary code execution by supplying a crafted database with malformed FTS5 page data. Attackers can trigger an out-of-bounds read in fts5LeafSeek() via an attacker-controlled loop bound and a heap buffer overflow write in fts5ChunkIterate() through a crafted continuation page causing an integer underflow, exploitable when an FTS5 MATCH query is executed against the malicious database.
- CVSS
- 8.5v4.0
- EPSS (exploit probability)
- 0.3%21th pct
- CISA KEV
- Not listed
EPSS trendFIRST daily scores, last 90 days
Daily values
| Score date | EPSS | Percentile |
|---|---|---|
| 2026-10-22 | 0.3% | 21.0% |
| 2026-10-21 | 0.3% | 20.9% |
| 2026-10-20 | 0.3% | 20.8% |
| 2026-10-19 | 0.3% | 20.8% |
| 2026-10-18 | 0.3% | 20.7% |
| 2026-10-17 | 0.3% | 20.7% |
| 2026-10-16 | 0.3% | 20.7% |
| 2026-10-15 | 0.3% | 20.6% |
| 2026-10-14 | 0.3% | 20.6% |
| 2026-10-13 | 0.3% | 20.5% |
| 2026-10-12 | 0.3% | 20.4% |
| 2026-10-11 | 0.3% | 20.4% |
| 2026-10-10 | 0.3% | 20.3% |
| 2026-10-09 | 0.3% | 20.2% |
| 2026-10-08 | 0.3% | 20.1% |
| 2026-10-07 | 0.3% | 20.1% |
| 2026-10-06 | 0.3% | 20.1% |
| 2026-10-05 | 0.3% | 20.0% |
| 2026-10-04 | 0.3% | 19.9% |
| 2026-10-03 | 0.3% | 19.9% |
| 2026-10-02 | 0.3% | 19.9% |
| 2026-10-01 | 0.3% | 19.8% |
| 2026-09-30 | 0.3% | 19.8% |
| 2026-09-29 | 0.3% | 19.7% |
| 2026-09-27 | 0.3% | 19.7% |
| 2026-09-26 | 0.3% | 19.7% |
| 2026-09-25 | 0.3% | 19.6% |
| 2026-09-24 | 0.3% | 19.5% |
| 2026-09-23 | 0.2% | 7.3% |
| 2026-09-22 | 0.2% | 7.3% |
| 2026-09-21 | 0.2% | 7.3% |
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
Affected products
- sqlite sqlite