SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

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.

HIGH 7.5EPSS 6.01%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (6.01%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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.

CVSS 3.0
7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
6.01% probability · 93th percentile
CISA KEV
Not listed
Weakness
CWE-476
Affected
sqlite/sqlite
Source
cve@mitre.org

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.