CVE-2022-44638

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

• https://gitlab.freedesktop.org/pixman/pixman/-/issues/63
• http://www.openwall.com/lists/oss-security/2022/11/05/1
• https://lists.debian.org/debian-lts-announce/2022/11/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/
• https://www.debian.org/security/2022/dsa-5276
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/
• http://packetstormsecurity.com/files/170121/pixman-pixman_sample_floor_y-Integer-Overflow.html

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://gitlab.freedesktop.org/pixman/pixman/-/issues/63
• http://www.openwall.com/lists/oss-security/2022/11/05/1
• https://lists.debian.org/debian-lts-announce/2022/11/msg00008.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/
• https://www.debian.org/security/2022/dsa-5276
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/
• http://packetstormsecurity.com/files/170121/pixman-pixman_sample_floor_y-Integer-Overflow.html

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