CVE-2019-9936: sqlite Out-of-bounds Read
Vulnerability summary
CVE-2019-9936 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in sqlite. EPSS estimates a 5.35% chance of exploitation in the next 30 days, higher than 92.6% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 5% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 6 · Related 4Timeline
- 22-03-2019PublishedVulnerability first disclosed.
- 02-11-2026Last modifiedVulnerability information updated.
Description
In SQLite 3.27.2, running fts5 prefix queries inside a transaction could trigger a heap-based buffer over-read in fts5HashEntrySort in sqlite3.c, which may lead to an information leak. This is related to ext/fts5/fts5_hash.c.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
5.35%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
Increase +0.51 pp
From 4.84% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- sqlite3< 3.27.2-2
Sqlite1 product
- sqlite3.27.2
Ubuntu1 product
- sqlite3< 3.11.0-1ubuntu1.2 | < 3.22.0-1ubuntu0.1
3 vendors · 3 products
References
20 linksShow all 20 references
- www.oracle.com/security-alerts/cpujan2020.htmlX Refsource MISC
