CVE-2026-33633Disclosure(kovidgoyal / kitty)

LOWCVSS 8.8 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Kitty is a cross-platform GPU based terminal. Versions 0.46.2 and below contain a heap buffer overflow in load_image_data() that allows any process which can write to the terminal's stdin to crash kitty immediately. The vulnerability is triggered by a single APC graphics protocol command with a PNG format declaration (f=100) whose payload exceeds twice the initial buffer capacity. The overflow is attacker-controlled in both length and content, causing DoS and potentially escalation to RCE itself. This issue has been fixed in version 0.47.0.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-122

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • kitty

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-05-19); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
Products
kitty

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-05-19: 1Mentions · 2026-05-24: 1Technical Details · 2026-05-19: 1Technical Details · 2026-05-24: 105-1905-24
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • DailyCVE@dailycve
    Disclosure

    🔴 Kitty, Heap Buffer Overflow, #CVE-2026-33633 (Critical) https://dailycve.com/kitty-heap-buffer-overflow-cve-2026-33633-critical/

    Post summary

    A critical heap buffer overflow flaw (CVE‑2026‑33633) in Kitty is announced, detailing the vulnerability type but lacking evidence of exploitation, PoC, or mitigation.

    0000053
    207 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-33633 Kitty is a cross-platform GPU based terminal. Versions 0.46.2 and below contain a heap buffer overflow in load_image_data() that allows any process which can write to… https://www.cve.org/CVERecord?id=CVE-2026-33633

    Post summary

    CVE-2026-33633 describes a heap buffer overflow in Kitty versions 0.46.2 and earlier, with no PoC, exploit, patch, or active exploitation details provided.

    00000108
    57.5K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appkovidgoyalkitty---

Explore more