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3191 articles · 168085 vulns · 37/41 feeds (7d)
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7.5
CVE-2026-54679PATCHED
jqlang · jq

jq: potential integer overflow in jvp_string_append

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.

Affected Products

VendorProductVersions
jqlangjq< 1.8.2

References

  • https://github.com/jqlang/jq/security/advisories/GHSA-29gj-222p-j7vx(x_refsource_CONFIRM)

Related News (1 articles)

Tier C
VulDB2d ago
CVE-2026-54679 | jqlang jq up to 1.8.1 integer overflow
→ No new info (linked only)
CVSS 3.17.5 NONE
CISA KEV❌ No
Actively exploited❌ No
Patch available
1.8.2
CWECWE-190
PublishedJun 25, 2026
Last enriched2d agov2
Trending Score13
Source articles1
Independent1
Info Completeness9/14
Missing: epss, kev, exploit, iocs, mitre_attack

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Related CVEs (5)

HIGHCVE-2026-39979EXP
jq: Out-of-Bounds Read in jv_parse_sized() Error Formatting for Non-NUL-Terminated Counted Buffers
Trending: 60
HIGHCVE-2026-49839EXP
jq --rawfile invalid-state reuse after String too long causes heap-buffer-overflow
Trending: 56
NONECVE-2026-47770
jq: stack overflow in deep structural equality
Trending: 13
HIGHCVE-2026-44777
jq: stack overflow in module loading on mutual `include`
Trending: 3
MEDIUMCVE-2026-43894
jq: Wild stack write via signed-integer overflow in decNumber D2U() macro

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
Jun 25, 2026
Discovered by ZDM
Jun 25, 2026
Updated: severity, cvssEstimate, patchAvailable
Jun 25, 2026
Patch Available
Jun 25, 2026

Version History

v2
Last enriched 2d ago
v2Tier C2d ago

Updated severity to HIGH, added CVSS estimate of 7.5, and specified patch available in version 1.8.2.

severitycvssEstimatepatchAvailable
via VulDB
v12d ago

Initial creation