What is CVE-2026-31742?

CVE-2026-31742 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-05-01.

How severe is CVE-2026-31742?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Linux

CVE-2026-31742

In the Linux kernel, the following vulnerability has been resolved: vt: discard stale unicode buffer on alt screen exit after resize When enter_alt_screen() saves vc_uni_lines into vc_saved_uni_lines and sets vc_uni_lines to NULL, a subs…

Vulnerability class: Buffer Overflow

EPSS: 0.000 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Linux — versions c4efef65a46f610418a3f69149c51492d31c8591, 1cf66bd9127447c57295f5199029e8d8b47c6c67, 5eb608319bb56464674a71b4a66ea65c6c435d64
Linux Linux_kernel — versions 7.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-31742?: CVE-2026-31742 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-05-01.
How severe is CVE-2026-31742?: High severity. CVSS v3 base score is 7.8 out of 10.