Mintty before 3.4.7 mishandles Bracketed Paste Mode.

published 2021-06-06 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-18586

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

Patch / fix

fixed in 1 links 1

mintty_project mintty 3.4.7

github.com/mintty/mintty/releases/tag/3.4.7 release

Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness

CWE-755 Improper Handling of Exceptional Conditions

References

github.com /mintty/mintty/releases/tag/3.4.7
release-notes, third-party-advisory

Sources

CVE List CVE-2021-31701
NVD CVE-2021-31701

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary