CVE-2016-4074
HighSummary
The jv_dump_term function in jq 1.5 allows remote attackers to cause a denial of service via a crafted JSON file, leading to stack consumption and application crash. This issue has been fixed in jq 1.6_rc1-r0.
Risk Assessment
Attackers can exploit this vulnerability to disrupt application functionality, potentially leading to service downtime. Organizations should be aware of the risks associated with using the vulnerable version of the software.
Recommendation
It is recommended to upgrade jq to version 1.6_rc1-r0 or later to mitigate this vulnerability.
Other vulnerabilities in jq 1.5
See all- CVE-2024-53427Medium
The decNumberCopy function in decNumber.c in jq through 1.7.1 does not properly consider that NaN is interpreted as numeric, which has a resultant stack-based buffer overflow and out-of-bounds write. This can be demonstrated by using --slurp with subtraction, such as a filter of .-. when the input has a certain form.
- CVE-2015-8863Critical
Off-by-one error in the tokenadd function in jv_parse.c in jq allows remote attackers to cause a denial of service (crash) via a long JSON-encoded number, which triggers a heap-based buffer overflow.
- CVE-2026-40164High
Before commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784, jq used MurmurHash3 with a hardcoded, publicly visible seed (0x432A9843) for all JSON object hash table operations, allowing an attacker to precompute key collisions offline. A crafted JSON object (~100 KB) with all keys hashing to the same bucket degrades lookups from O(1) to O(n), causing CPU exhaustion.
- CVE-2026-39979Medium
In the libjq library (part of the jq tool), the jv_parse_sized() function has an out-of-bounds read vulnerability. When processing malformed JSON in a non-NUL-terminated buffer, the error formatting function uses %s which reads until a NUL terminator, ignoring the caller-supplied length.
Original NVD description (English source)
The jv_dump_term function in jq 1.5 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted JSON file. This issue has been fixed in jq 1.6_rc1-r0.