CVE-2026-107590

LOW
INFO Priority: 0.00 BB Relevance: 29/100
Published: 2026-10-27 Modified: 2026-10-27 First seen: 2026-10-29 Status: active

Attack Surface

Low Complexity No Auth

CVSS Vector Breakdown

AV: Local
AC: Low
PR: None
UI: Passive
S: X
AT: Present
VC: None
VI: Low
VA: High

Description

An out-of-bounds write vulnerability in the Qt QTextCodec iconv-based encoding of the Qt 5 Compatibility APIs module (Qt Core in Qt 5 and earlier) impacts Qt. Under certain conditions, encoding text with QTextCodec may write outside an internal buffer. This can cause the application to crash and may affect data integrity.

Weakness Classification (2)

Bug Bounty Relevance

29 / 100
✓ No authentication
✓ Low complexity

CVSS Score

1.9 / 10.0 v4.0
CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/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:X/AU:X/R:U/V:X/RE:L/U:Green

EPSS — Exploitation Probability

0.12%
Raw Score 0.001200
Percentile 1.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00120
2026-10-28
0.00120

Intelligence Sources

mitre ref →
nvd ref →