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CVE Watch2 de nov. de 2026

CVE-2026-120057

psqlODBC copies the reply to a large-object read (loread) into the application's buffer using the length sent by the server, without compari

CVSS

7.5

Alta

EPSS

0.2%

p16

KEV

—

Exploit Today

5

0-100

Publicado: 2 de nov. de 2026 · Última mod.: 2 de nov. de 2026 · CWE-120

EPSS · 30d
0.2%EPSS · 30 dias0.2%
2026-11-032026-11-07
Descrição técnica

psqlODBC copies the reply to a large-object read (loread) into the application's buffer using the length sent by the server, without comparing it to the buffer size. A server not trusted under current SSL settings, or a man-in-the-middle, can return more bytes than the buffer holds and overwrite adjacent memory in the client process with server-chosen bytes. Fetching any large-object column is sufficient to trigger it. Versions before psqlODBC 18.00.0006 are affected.

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