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CVE-2022-44638

Date: November 2, 2022

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.

Language: C

Severity Score

8.8

Related Resources (16)

Url: https://access.redhat.com/security/cve/CVE-2022-44638

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/

Url: https://nvd.nist.gov/vuln/detail/CVE-2022-44638

Url: https://security.alpinelinux.org/vuln/CVE-2022-44638

Url: https://security-tracker.debian.org/tracker/CVE-2022-44638

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/

Url: http://www.openwall.com/lists/oss-security/2022/11/05/1

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

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BY4OPSIB33ETNUXZY2UPZ4NGQ3OKDY4D/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/

Url: http://packetstormsecurity.com/files/170121/pixman-pixman_sample_floor_y-Integer-Overflow.html

Url: https://gitlab.freedesktop.org/pixman/pixman/-/issues/63

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IUJ2BULJTZ2BMSKQHB6US674P55UCWWS/

Url: https://www.debian.org/security/2022/dsa-5276

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AJ5VY2VYXE4WTRGQ6LMGLF6FV3SY37YE/

Url: https://www.mend.io/vulnerability-database/CVE-2022-44638

Severity Score

8.8

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

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