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HIGH

CVE-2022-44638

CVSS v3

8.8

HIGH

EPSS Score

1.5 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.

Technical details

Published
2022-11-03

Frequently asked questions

What is CVE-2022-44638?

In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.

Is CVE-2022-44638 actively exploited?

Active exploitation of CVE-2022-44638 has not been confirmed. Its EPSS score was 1.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2022-44638?

CVE-2022-44638 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2022-44638 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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