BUG #16793: Libxml2 contains a null pointer dereference flaw in xpath.c

From: PG Bug reporting form <noreply(at)postgresql(dot)org>
To: pgsql-bugs(at)lists(dot)postgresql(dot)org
Cc: srinivasg(at)jfrog(dot)com
Subject: BUG #16793: Libxml2 contains a null pointer dereference flaw in xpath.c
Date: 2020-12-28 06:41:47
Message-ID: 16793-ad84dd312fb888f4@postgresql.org
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The following bug has been logged on the website:

Bug reference: 16793
Logged by: Srinivas Gowda
Email address: srinivasg(at)jfrog(dot)com
PostgreSQL version: 12.5
Operating system: docker image alpine
Description:

Libxml2 contains a null pointer dereference flaw in xpath.c that is
triggered when handling errors for xpointer expressions. this may allow a
context-dependent attacker to crash a process linked against the library.

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