// For flags

CVE-2022-44638

pixman: Integer overflow in pixman_sample_floor_y leading to heap out-of-bounds write

Severity Score

8.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

En libpixman en Pixman anterior a 0.42.2, hay una escritura fuera de límites (también conocida como desbordamiento de búfer basado en montón) en rasterize_edges_8 debido a un desbordamiento de enteros en pixman_sample_floor_y.

A flaw was found in pixman. This issue causes an out-of-bounds write in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y. This can result in data corruption, a crash, or code execution.

pixman versions prior to 0.42.2 suffer from an out-of-bounds write vulnerability in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-11-03 CVE Reserved
  • 2022-11-03 CVE Published
  • 2024-06-24 EPSS Updated
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-190: Integer Overflow or Wraparound
  • CWE-787: Out-of-bounds Write
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Pixman
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Pixman
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< 0.42.2
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-
Affected
Debian
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Debian Linux
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10.0
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-
Affected
Debian
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Debian Linux
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11.0
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-
Affected
Fedoraproject
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Fedora
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35
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-
Affected
Fedoraproject
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Fedora
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36
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-
Affected
Fedoraproject
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Fedora
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37
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-
Affected