High severity7.5NVD Advisory· Published May 9, 2023· Updated Jun 17, 2026
CVE-2021-31239
CVE-2021-31239
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4Patches
Vulnerability mechanics
References
7- github.com/Tsiming/Vulnerabilities/blob/main/SQLite/CVE-2021-31239nvdExploitPatch
- www.sqlite.org/cves.htmlnvdVendor Advisory
- www.sqlite.org/forum/forumpost/d9fce1a89bnvdMitigation
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/73XUIHJ6UT75VFPDPLJOXJON7MVIKVZI/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FXFL4TDAH72PRCPD5UPZMJMKIMVOPLTI/nvd
- security.gentoo.org/glsa/202311-03nvd
- security.netapp.com/advisory/ntap-20230609-0010/nvd
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