CVE catalog

CVE-2025-43929

kitty: CVE-2025-43929

Severity: Medium · CVSS 4.1CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
Published: Apr 20, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.19% · Oct 27, 2026

open_actions.py in kitty before 0.41.0 does not ask for user confirmation before running a local executable file that may have been linked from an untrusted document (e.g., a document opened in KDE ghostwriter).

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	kitty	sid	`0.48.2-1.1`	fixed
Debian	kitty	forky	`0.48.2-1.1`	fixed
Debian	kitty	trixie	`0.41.1-2+deb13u2`	fixed
Debian	kitty	trixie-security	`0.41.1-2+deb13u2`	fixed
Debian	kitty	bookworm	`0.26.5-5`	vulnerable
Ubuntu	kitty	24.04	`0.26.5-3ubuntu2`	vulnerable
Ubuntu	kitty	24.04	`0.26.5-5ubuntu1`	vulnerable
Ubuntu	kitty	24.04	`0.31.0-3`	vulnerable
Ubuntu	kitty	24.04	`0.31.0-4`	vulnerable
Ubuntu	kitty	24.04	`0.32.2-1`	vulnerable
Ubuntu	kitty	24.04	`0.32.2-1build2`	vulnerable
Ubuntu	kitty	24.04	`0.32.2-1build3`	vulnerable
Ubuntu	kitty	24.04	`0.32.2-1ubuntu0.1`	vulnerable
Ubuntu	kitty	24.04	`0.32.2-1ubuntu0.2`	vulnerable
Ubuntu	kitty	24.04	`0.32.2-1ubuntu0.3`	vulnerable
Ubuntu	kitty	24.04	`0.32.2-1ubuntu0.4`	vulnerable
Ubuntu	kitty	25.10	`0.39.1-1`	vulnerable
Ubuntu	kitty	25.10	`0.41.1-2`	vulnerable
Ubuntu	kitty	25.10	`0.41.1-2+deb13u1build0.25.10.1`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	kitty	source	sid	`0.41.1-1`	not yet assigned	Not reported	[1103691]
Debian	kitty	source	forky	`0.41.1-1`	not yet assigned	Not reported	[1103691]
Debian	kitty	source	trixie	`0.41.1-1`	not yet assigned	Not reported	[1103691]
Debian	kitty	source	bookworm	`(unfixed)`	not yet assigned	Not reported	[1103691]

[Debian bug #1103691]

Notes

[bookworm] kitty: Minor issue

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[kitty]Affected
Details (2)
- 0.26.5-5 · amd64 · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12
- 0.26.5-5 · arm64 · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12
[kitty-doc]Affected
Source package: [kitty]
Details (2)
- 0.26.5-5 · all · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12
- 0.26.5-5 · all · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12
[kitty-shell-integration]Affected
Source package: [kitty]
Details (2)
- 0.26.5-5 · all · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12
- 0.26.5-5 · all · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12
[kitty-terminfo]Affected
Source package: [kitty]
Details (2)
- 0.26.5-5 · all · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12
- 0.26.5-5 · all · bookworm
  Affected
  dsa · kitty · debian · bookworm; dsa · kitty · debian · 12

[Debian 13 (Trixie)]

[kitty]Fixed
Details (4)
- 0.41.1-2+deb13u1 · amd64 · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u1 · arm64 · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · arm64 · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
[kitty-doc]Fixed
Source package: [kitty]
Details (4)
- 0.41.1-2+deb13u1 · all · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u1 · all · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · all · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · all · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
[kitty-shell-integration]Fixed
Source package: [kitty]
Details (4)
- 0.41.1-2+deb13u1 · all · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u1 · all · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · all · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · all · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
[kitty-terminfo]Fixed
Source package: [kitty]
Details (4)
- 0.41.1-2+deb13u1 · all · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u1 · all · trixie
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · all · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13
- 0.41.1-2+deb13u2 · all · trixie-security
  Fixed · Fixed: 0.41.1-1
  dsa · kitty · debian · 13

Observed: Oct 27, 2026, 2:33:48 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]