BIT-postgresql-2026-14669

vendorUSosv

PostgreSQL to_char heap buffer overflow executes arbitrary code

view advisory published 2026-08-19Licence: per source

Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a long POSIX timezone abbreviation. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-14669US	—	0.66% (51st)	Exploit	2026-08-13
Heap buffer overflow in PostgreSQL to_char(timestamptz) allows the party choosing the timezone to execute arbitrary code as the operating system user running the database, via a lo…

references

External citations — patches, advisories, analysis.

https://nvd.nist.gov/vuln/detail/CVE-2026-14669WEB
https://www.postgresql.org/support/security/CVE-2026-14669/ADVISORY

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