Buffer overflow in Jq Project

CVE-2015-8863

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.

Vulnerability class: Buffer Overflow

EPSS: 0.075 (93.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2015-8863?
CVE-2015-8863 is a critical-severity vulnerability in Jq Project, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2016-05-06.
How severe is CVE-2015-8863?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2015-8863 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.