CVE-2020-24980

bison: Assertion failure in src/parse-gram.c could result in DoS

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · September 4, 2020

Updated · November 21, 2025

Description

[REJECTED CVE] An assertion failure flaw was found in GNU bison in src/parse-gram.c. A local attacker may execute bison with crafted input file containing character '' at the end and while still in a character or a string.

Statement

This flaw does not affect bison as shipped in Red Hat Enterprise Linux 7 or 8 as it is was introduced in a subsequent version of bison.

Also, please note that this CVE has been rejected Upstream.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-400 · Uncontrolled Resource Consumption