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Vigil@nce - libbfd: NULL pointer dereference via debug_get_real_type

January 2021 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert

SYNTHESIS OF THE VULNERABILITY

Impacted products: Fedora.

Severity: 1/4.

Consequences: denial of service on service, denial of service on
client.

Provenance: document.

Confidence: confirmed by the editor (5/5).

Creation date: 28/12/2020.

DESCRIPTION OF THE VULNERABILITY

An attacker can force a NULL pointer to be dereferenced via
debug_get_real_type() of libbfd, in order to trigger a denial of
service.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/libbfd-NULL-pointer-dereference-via-debug-get-real-type-34203


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