CVE-2026-54679
jq: potential integer overflow in jvp_string_append
MEDIUM
5.5
CVSS Score
Published: June 25, 2026 at 05:16 PM UTC
Updated: October 25, 2026 at 10:10 PM UTC
1 product affected across 1 vendorJq
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%
SSVC
No known exploit
Description
jq is a command-line JSON processor. Prior to 1.8.2, on 32bit system, jvp_string_append has a chance of integer/multiple overflowing and then causing a massive buffer overrun. This vulnerability is fixed in 1.8.2.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (1)
x_refsource_CONFIRMVendor Advisory
Source: cverecord
https://github.com/jqlang/jq/security/advisories/GHSA-29gj-222p-j7vxSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-190
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