CVE-2026-107590

Out-of-bounds write vulnerability in QTextCodec iconv-based encoding impacts Qt

LOW
1.9
CVSS Score
Published: October 27, 2026 at 12:24 PM UTC
Updated: October 27, 2026 at 03:03 PM UTC
1 product affected across 1 vendorQt

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Severity
LOW1.9
Exploit prediction
EPSS 0.1%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

1.9LOWQt
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-787CWE-131

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