CVE-2026-14677 - PostgreSQL 32-bit pltcl and plperl undersize allocations, via integer wraparound

CVE-2026-14677 - PostgreSQL 32-bit pltcl and plperl undersize allocations, via integer wraparound

https://cvefeed.io/rssfeed/latest.atom / Thu, 08/13/2026 - 16:26
CVE ID :CVE-2026-14677
Published : Aug. 13, 2026, 1 p.m. | 28 minutes ago
Description :Integer wraparound in PostgreSQL 32-bit builds of pltcl and plperl allows an object creator to cause the server to undersize an allocation and write out-of-bounds via crafted function bodies. This may execute arbitrary code as the operating system user running the database. CVE-2026-6473 had fixed similar problems. Versions before PostgreSQL 18.5, 17.11, 16.15, 15.19, and 14.24 are affected.
Severity: 8.8 | HIGH
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