CVE-2022-44638
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Pixman
PublishedNov 3, 2022
First seenNov 3, 2022
Weakness typeCWE-190Integer overflow
How to fix
Update
- pixman pixman0.42.2 or later
Vendor advisories
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/
- debian.org/security/2022/dsa-5276
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pixman pixman | v < 0.42.2 | 0.42.2 |
| debian debian_linux | 10.0, 11.0 | — |
| fedoraproject fedora | 35, 36, 37 | — |
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