CVE-2026-33642

Katalog CVE

CVSS 9.8 · Critical EPSS 0,43%

Kerentanan Out-of-bounds Read pada kovidgoyal kitty. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

Kitty is a cross-platform GPU based terminal. In versions 0.46.2 and below, the handle_compose_command() function in kitty/graphics.c performs bounds validation on composition offsets using unsigned 32-bit arithmetic that is subject to integer wrapping, potentially leading to Heap Buffer Over-Read/Write. An attacker who can write escape sequences to a kitty terminal (e.g., via a malicious file, SSH login banner, or piped content) can supply crafted x_offset/y_offset values that pass the bounds check after wrapping but cause massive out-of-bounds heap memory access in compose_rectangles(). No user interaction is required. No non-default configuration is required. The attacker only needs the ability to produce output in a kitty terminal window. This issue has been fixed in version 0.47.0.

Rincian

Terbit di NVD

19 Mei 2026

Terakhir diubah

24 Juli 2026

Status NVD

Analyzed

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-125: Out-of-bounds Read
CWE-190: Integer Overflow or Wraparound
CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,43% peluang dieksploitasi; lebih tinggi dari 35,8% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/kovidgoyal/kitty/security/advisories/GHSA-qfgm-2c64-6x3x exploit · mitigasi · advisory vendor
• https://github.com/kovidgoyal/kitty/commit/e9661f0f3afb4e4dbffa509adfb3df3c9780ad34 patch