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Mageia: MGASA-2022-0423 Critical: Pixman Buffer Overflow Issue

mageia
Calendar Grey November 12, 2022
Dist Mageia Esm H88
Recent updates to the pixman packages in Mageia address a significant buffer overflow vulnerability that poses security risks. Discover additional details.
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

Summary

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. (CVE-2022-44638)

References

- https://bugs.mageia.org/show_bug.cgi?id=31088

- https://lists.x.org/archives/xorg-announce/2022-November/003249.html

- https://lists.x.org/archives/xorg-announce/2022-November/003251.html

- https://lists.debian.org/debian-lts-announce/2022/11/msg00008.html

- https://www.cve.org/CVERecord?id=CVE-2022-44638

Topics%20covered

Topics Covered

security advisory buffer overflow critical software update out-of-bounds write Mageia Pixman

Resolution

SRPMS

- 8/core/pixman-0.40.0-1.1.mga8

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 13 Nov 2022
URL: https://advisories.mageia.org/MGASA-2022-0423.html
Type: security
CVE: CVE-2022-44638

Topics%20covered

Topics Covered

security advisory buffer overflow critical software update out-of-bounds write Mageia Pixman

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