Dashboard / CVE-2026-42996

CVE-2026-42996

CRITICAL
INFO Priority: 0.06 BB Relevance: 80/100
Published: 2026-05-01 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: P
AT: None
VC: High
VI: High
VA: High

Description

JS8Call through 2.3.1 and JS8Call-improved before 3.0 have a stack-based buffer overflow via a radio transmission of @APRSIS GRID followed by a long Maidenhead locator. This occurs in grid2deg in APRSISClient.cpp.

Weakness Classification (1)

References & Advisories (4)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

10.0 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:P/AU:Y/R:U/V:D/RE:M/U:Green

EPSS — Exploitation Probability

0.57%
Raw Score 0.005710
Percentile 47.1%
Date 2026-10-28

Intelligence Sources

nvd ref →

External Links