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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

2.4% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-10-25)

CWE

CWE-125

Published

2023-05-09

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• sqlite:sqlite

References

• https://github.com/Tsiming/Vulnerabilities/blob/main/SQLite/CVE-2021-31239
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73XUIHJ6UT75VFPDPLJOXJON7MVIKVZI/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXFL4TDAH72PRCPD5UPZMJMKIMVOPLTI/
• https://security.gentoo.org/glsa/202311-03
• https://security.netapp.com/advisory/ntap-20230609-0010/

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