: This issue was patched in jq version 1.6_rc1-r0 and beyond. Official patched package versions included:

For Ubuntu and Debian systems, the correct way to get patched versions is to ensure your package list is up to date and to perform a standard system upgrade. This will install the versions containing the DST and security fixes discussed above.

: The vulnerability resides in the jv_dump_term function in jq versions 1.5, which allowed remote attackers to cause a denial of service (stack consumption and application crash) via a crafted JSON file. The core problem was jq 's failure to perform sufficient bounds checking, which resulted in unbounded resource consumption when parsing malformed input.

Ensure your local antivirus and firewall are fully operational. Do not disable your security software even if a forum post tells you it is a "false positive" required for the patch to work. Conclusion

Common legitimate reasons:

: According to official bug reports, a user would run a simple command on a number, expecting a specific output, but would get an incorrect result. For example:

Older systems often cannot be patched without breaking dependencies.

After running these commands, verify the version to ensure the update was successful:

The keyword “” refers to the coordinated disclosure and firmware update cycle that took place in Q2 2021. Multiple vendors relying on the juq016 reference design released patched versions simultaneously under identifiers like juq016_rev2.1 or firmware_v4.3-juq016-fix .

However, the term "JUQ" occasionally appears in niche technical contexts, such as or internal manufacturing codes . For example, similar three-letter codes are used by the FDA to categorize medical devices (e.g., "JUM" for aspiration needles or "JEQ" for powered toothbrushes). If "JUQ-016" refers to a specific industrial or medical component, a "2021 patch" would typically involve: 1. Security & Compliance Patches

$ checksec --file=juq016_patched RELRO Full RELRO Stack Canary found NX NX enabled PIE PIE enabled RPATH No RPATH

The engineering team behind the juq016 baseline implemented three critical changes:

| CVE ID | Discovered / Patched Year | Affected Versions | Patch Availability | Description | | :--- | :--- | :--- | :--- | :--- | | | 2025 | Multiple, incl. 1.5, 1.6 | ✅ | A heap buffer overflow may happen when formatting empty strings in jq 1.5. A separate update also fixed a stack-buffer-overflow in jq_fuzz_execute . | | CVE-2024-23337 | 2024 / 2025 | Multiple, incl. 1.6 | ✅ | A signed integer overflow vulnerability in jv.c:jvp_array_write could be triggered by a remote attacker. | | CVE-2026-32316 | 2026 | Versions prior to patch | ✅ | jq did not correctly handle recursion in certain circumstances, which could be exploited to cause a DoS. | | CVE-2026-33947 | 2026 | Versions prior to patch | ✅ | jq did not correctly handle improperly terminated strings, which could lead to DoS or arbitrary code execution. | | CVE-2026-39979 | 2026 | Versions prior to patch | ✅ | jq used a fixed seed for hash table operations, making it vulnerable to a DoS attack. | | CVE-2026-41256 | 2026 | 1.8.1 and earlier | ⚠️ Under Review | Crafted filter files containing a null byte cause jq to execute only the prefix before the null byte. No official patch has been published yet for this specific issue. | | CVE-2026-43895 | 2026 | All versions prior to fix | ⚠️ Under Review | Embedded NUL bytes in import paths are truncated, allowing an attacker to bypass path validation and access unintended files. |

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