Debian dsa-6307 : kitty - security update

critical Nessus Plugin ID 317445

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6307 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6307-1 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso May 28, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : kitty CVE ID : CVE-2026-33633 CVE-2026-33642 Debian Bug : 1137210

Two vulnerabilities were discovered in kitty, a GPU based terminal emulator, which may result in the execution of arbitrary code or denial of service.

For the stable distribution (trixie), these problems have been fixed in version 0.41.1-2+deb13u1.

We recommend that you upgrade your kitty packages.

For the detailed security status of kitty please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/kitty

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the kitty packages.

Plugin Details

Severity: Critical

ID: 317445

File Name: debian_DSA-6307.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 5/28/2026

Updated: 5/28/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:C

CVSS Score Source: CVE-2026-33642

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:kitty, p-cpe:/a:debian:debian_linux:kitty-shell-integration, p-cpe:/a:debian:debian_linux:kitty-doc, p-cpe:/a:debian:debian_linux:kitty-terminfo, cpe:/o:debian:debian_linux:13.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 5/28/2026

Vulnerability Publication Date: 5/19/2026

Reference Information

CVE: CVE-2026-33633, CVE-2026-33642

Detections

Analytics