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CVE-2025-48060

jq: AddressSanitizer: stack-buffer-overflow in jq_fuzz_execute (jv_string_vfmt)

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · May 22, 2025

Updated · October 23, 2026

Description

A flaw was found in jq, a command line JSON processor. A specially crafted input can cause a heap-based buffer over-read when formatting an empty string because it was not properly null-terminated, causing a crash and resulting in a denial of service.

Statement

To exploit this flaw, an attacker needs to trick a user into processing a specially crafted JSON input, allowing an attacker to trigger a buffer over-read of 2 bytes and cause a crash in jq with no other security impact. Due to these reasons, this flaw has been rated with a Moderate severity.

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

Do not process untrusted input with the jq command line JSON processor.

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-126 · Buffer Over-read