CVE-2015-8863: jq_project jq
Vulnerability summary
CVE-2015-8863 is a high (CVSS 10.0) vulnerability in jq_project jq. EPSS estimates a 7.27% chance of exploitation in the next 30 days, higher than 94.3% of scored vulnerabilities.
Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 7% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 2Timeline
- 06-05-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
7.27%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
No change 0.00 pp
From 7.27% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Redhat2 products
- jq< 0:1.3-3.el7ost
- jq-debuginfo< 0:1.3-3.el7ost
Debian1 product
- jq< 1.5+dfsg-1.1
Jq_project1 product
- jq≤ 1.5
Ubuntu1 product
- jq< 1.3-1.1ubuntu1.1 | < 1.5+dfsg-1ubuntu0.1
5 vendors · 8 products
References
25 links- bugs.debian.org/cgi-bin/bugreport.cgi?bug=802231X Refsource CONFIRM
- github.com/stedolan/jq/commit/8eb1367ca44e772963e704a700ef72ae2e12babdX Refsource CONFIRMPatchREPORT