CVE-2019-9936
CVE-2019-9936 is a high-severity vulnerability in Sqlite with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 6% (92nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Sqlite
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-9936?
- 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.
- How severe is CVE-2019-9936?
- CVE-2019-9936 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2019-9936 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-9936?
- CVE-2019-9936 affects Sqlite. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-9936?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2019-9936 published?
- CVE-2019-9936 was published on 2019-03-22 and last updated on 2026-06-17.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00026.html
- http://www.securityfocus.com/bid/107562
- https://lists.debian.org/debian-lts-announce/2020/08/msg00037.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EXD2GYJVTDGEQPUNMMMC5TB7MQXOBBMO/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N66U5PY5UJU4XBFZJH7QNKIDNAVIB4OP/
- https://security.gentoo.org/glsa/201908-09
- https://security.netapp.com/advisory/ntap-20190416-0005/
- https://sqlite.org/src/info/b3fa58dd7403dbd4
- https://usn.ubuntu.com/4019-1/
- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114382.html
- https://www.mail-archive.com/sqlite-users%40mailinglists.sqlite.org/msg114394.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Affected products (1)
- cpe:2.3:a:sqlite:sqlite:3.27.2:*:*:*:*:*:*:*
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