CVE-2026-33633
Published: 19 May 2026
Summary
CVE-2026-33633 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability. Its CVSS base score is 7.5 (High).
Operationally, ranked at the 11.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
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…
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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.
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)