Vulnerability · CVE-2019-9937
In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c.
Published Mar 22, 2019 · catalog updated Oct 14, 2026 · In SQLite 3.27.2, interleaving
Check if you run it
No confirmed exploitation is on record for CVE-2019-9937. EPSS is 6.09%. Act only if a listed version of In SQLite 3.27.2, interleaving is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (In SQLite 3.27.2, interleaving).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.5
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 6.09%
- Remediation
- Advisory link
- Affected products
- cpe sqlite/sqlite
In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5_hash.c and ext/fts5/fts5_index.c.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe sqlite/sqlite3.27.2
How to fix CVE-2019-9937
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2019-9937. EPSS is 6.09%. Act only if a listed version of In SQLite 3.27.2, interleaving is installed.
Which versions are affected?
Compare what you have installed with 3.27.2. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-476: NULL Pointer Dereference. EPSS 6.09%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 22, 2019 · NIST NVD
Detected
In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5_hash.c and ext/fts5/fts5_index.c.
Oct 14, 2026 · NIST NVD
Updated
In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5_hash.c and ext/fts5/fts5_index.c.
Sources
- CVE.orgVulnerability recordCVE-2019-9937
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2019-9937
30-day exploitation probability 6.1%
first.org - NIST NVDVulnerability recordCVE-2019-9937
In SQLite 3.27.2, interleaving reads and writes in a single transaction with an fts5 virtual table will lead to a NULL Pointer Dereference in fts5ChunkIterate in sqlite3.c. This is related to ext/fts5/fts5_hash.c and ext/fts5/fts5_index.c.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.