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3191 articles · 168085 vulns · 37/41 feeds (7d)
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6.2
CVE-2026-43894
jqlang · jq

jq: Wild stack write via signed-integer overflow in decNumber D2U() macro

Description

A vulnerability has been found in jqlang jq up to 1.8.1 and classified as problematic. Affected by this issue is the function D2U. Performing a manipulation results in integer overflow. This vulnerability is known as CVE-2026-43894. Attacking locally is a requirement.

Affected Products

VendorProductVersions
jqlangjq<= 1.8.1

References

  • https://github.com/jqlang/jq/security/advisories/GHSA-5v7p-2r57-2g4g(x_refsource_CONFIRM)

Related News (3 articles)

Tier A
Microsoft MSRC45d ago
CVE-2026-43894 jq: Wild stack write via signed-integer overflow in decNumber D2U() macro
→ No new info (linked only)
Tier C
VulDB47d ago
CVE-2026-43894 | jqlang jq up to 1.8.1 D2U integer overflow (GHSA-5v7p-2r57-2g4g)
→ No new info (linked only)
Tier B
BSI Advisories52d ago
[NEU] [mittel] jq: Schwachstelle ermöglicht Denial of Service
→ No new info (linked only)
CVSS 3.16.2 MEDIUM
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA KEV❌ No
Actively exploited❌ No
CWECWE-190
PublishedMay 11, 2026
Last enriched47d agov2
Trending Score0
Source articles3
Independent3
Info Completeness8/14
Missing: epss, kev, exploit, patch, 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
NONECVE-2026-54679
jq: potential integer overflow in jvp_string_append
Trending: 13
HIGHCVE-2026-44777
jq: stack overflow in module loading on mutual `include`
Trending: 3

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Verification

State: unverified
Confidence: 0%

Vulnerability Timeline

CVE Published
May 11, 2026
Discovered by ZDM
May 11, 2026
Updated: description
May 11, 2026

Version History

v2
Last enriched 47d ago
v2Tier C47d ago

Updated description with new details and confirmed no exploit is available.

description
via VulDB
v147d ago

Initial creation