| Package | Affected versions | Patched versions |
|---|---|---|
| postgresql | ≥ 14.0, < 14.24≥ 15.0, < 15.19≥ 16.0, < 16.15≥ 17.0, < 17.11≥ 18.0, < 18.5 | 14.2415.1916.1517.1118.5 |
Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with bytes outside attacker knowledge or control. This typically yields a simple SIGSEGV, but rare cases might achieve client-specific integrity impact via the write. Versions before PostgreSQL 18.6, 17.11, 16.15, 15.19, and 14.24 are affected.
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