CVE-2026-107479: An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs
CVE-2026-107479 is a low-severity flaw (CVSS 1.7) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs module impacts the Qt Framework. An application using the affected functionality could crash.
Why this priority
- No elevated risk signals yet
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 1.7 (Low) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Active |
| EPSS exploit chance | n/a |
| CISA exploited list | No |
| Weakness | CWE-197 |
| Published | 2026-11-04 |
| Last modified | 2026-11-04 |
Last updated 2026-11-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline
- Published CVE record published
- Updated Record last modified
Advisories and coverage
Research and news
- VulDB Recent Entries: CVE-2026-107479 | Qt up to 4.x/6.8.8/6.11.2 QTextCodec QTextCodec conversion functions integer overflow 2026-11-04
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-107479?
No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.
Is CVE-2026-107479 being exploited?
CVE-2026-107479 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-107479 affect?
CVE-2026-107479 affects affected software. Severity is low (CVSS 1.7). An integer truncation vulnerability in the QTextCodec conversion functions of the Qt 5 Core Compatibility APIs module impacts the Qt Framework. An application using the affected functionality could crash.
How urgent is CVE-2026-107479?
Priority 6/100. No elevated risk signals yet.