Out-of-bounds Read in Sqlite
CVE-2021-31239
An issue found in SQLite SQLite3 v.3.35.4 that allows a remote attacker to cause a denial of service via the appendvfs.c function.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.022 (81.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000
Affected products
- Sqlite — versions 3.35.4
Weakness classification (CWE)
References
- www.sqlite.org/cves.html (Vendor Advisory)
- www.sqlite.org/forum/forumpost/d9fce1a89b (Mitigation)
- github.com/Tsiming/Vulnerabilities/blob/main/SQLite/CVE-2021-31239 (Exploit, Patch)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.netapp.com/advisory/ntap-20230609-0010/
- security.gentoo.org/glsa/202311-03 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-31239?
- CVE-2021-31239 is a high-severity vulnerability in Sqlite, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2023-05-09.
- How severe is CVE-2021-31239?
- High severity. CVSS v3 base score is 7.5 out of 10.