CVE-2022-44638
pixman: Integer overflow in pixman_sample_floor_y leading to heap out-of-bounds write
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
3Exploited in Wild
-Decision
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.
USN-5718-1 fixed a vulnerability in pixman. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Maddie Stone discovered that pixman incorrectly handled certain memory operations. A remote attacker could use this issue to cause pixman to crash, resulting in a denial of service, or possibly execute arbitrary code.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2022-11-03 CVE Reserved
- 2022-11-03 CVE Published
- 2022-12-07 First Exploit
- 2024-08-03 CVE Updated
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-190: Integer Overflow or Wraparound
- CWE-787: Out-of-bounds Write
CAPEC
References (11)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2022/11/05/1 | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2022/11/msg00008.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://packetstorm.news/files/id/170121 | 2022-12-07 | |
| http://packetstormsecurity.com/files/170121/pixman-pixman_sample_floor_y-Integer-Overflow.html | 2024-08-03 | |
| https://gitlab.freedesktop.org/pixman/pixman/-/issues/63 | 2024-08-03 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Pixman Search vendor "Pixman" | Pixman Search vendor "Pixman" for product "Pixman" | < 0.42.2 Search vendor "Pixman" for product "Pixman" and version " < 0.42.2" | - |
Affected
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| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
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| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
Affected
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| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 35 Search vendor "Fedoraproject" for product "Fedora" and version "35" | - |
Affected
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| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 36 Search vendor "Fedoraproject" for product "Fedora" and version "36" | - |
Affected
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| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 37 Search vendor "Fedoraproject" for product "Fedora" and version "37" | - |
Affected
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