CVE-2026-91057 Out-of-bounds read when a multi-line text view string ends with a carriage return

Medium 4.6 Published Updated
Exploited in the wild
Not known
Fix
None listed

What is CVE-2026-91057?

CVE-2026-91057 is a medium-severity vulnerability in Eclipse ThreadX - GUIX, published on 20 Oct 2026.

Official description

`_gx_multi_line_text_view_display_info_get()` reads one byte past the end of the application's text buffer when the string it is given ends with a carriage return (`\r`). The over-read can also cause callers to advance their index past the end of the string, producing a second over-read in `_gx_multi_line_text_view_string_total_rows_compute()` and a row of text that is not in the source.

Weakness: CWE-125

Which versions are affected by CVE-2026-91057?

How do I fix CVE-2026-91057?

No fix has been published for CVE-2026-91057 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-91057 being exploited?

There is no known exploitation of CVE-2026-91057 in the wild and no public exploit code.

Sources

Also known as GHSA-4qjc-2g93-36m2.

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