Is CVE-2022-44638 in the CISA KEV catalog?

No. CVE-2022-44638 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-44638?

CVE-2022-44638 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2022-44638?

CVE-2022-44638 has an EPSS score of 1.44% (70th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-44638?

Upgrade pixman on debian 11 to 0.40.0-1.1~deb11u1 or later. Fixes are available for 22 affected products.

CVE & CISA-KEV Catalog

CVE-2022-44638

HIGH

8.8

CVSS v3

NVD

Description

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.

CWE-190Integer Overflow

How to fix

Remediation Available

pixmanDebian

Fixed in:0.40.0-1.1~deb11u1CVE-2022-44638

Fixed in:0.40.0-1.1CVE-2022-44638

mingw-pixmanRed Hat / RHEL

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw-pixmanRocky

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw32-pixmanRocky

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw32-pixmanRed Hat / RHEL

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw32-pixman-debuginfoRed Hat / RHEL

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw32-pixman-debuginfoRocky

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw64-pixmanRed Hat / RHEL

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw64-pixmanRocky

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw64-pixman-debuginfoRocky

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

mingw64-pixman-debuginfoRed Hat / RHEL

Fixed in:0:0.42.2-3.el9RHSA-2024:2525

pixmanRocky

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

pixmanRed Hat / RHEL

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

pixman-debuginfoRed Hat / RHEL

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

pixman-debuginfoRocky

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

pixman-debugsourceRocky

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

pixman-debugsourceRed Hat / RHEL

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

pixman-develRocky

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

pixman-develRed Hat / RHEL

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_8RHSA-2023:7531

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.38.4-3.el8_6RHSA-2023:7403

Fixed in:0:0.38.4-3.el8_9RHSA-2024:0131

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

Fixed in:0:0.40.0-6.el9_2RHSA-2023:7375

Fixed in:0:0.40.0-6.el9_0RHSA-2023:7386

Fixed in:0:0.40.0-6.el9_3RHSA-2023:7754

libpixman-1-0Ubuntu

Fixed in:0.30.2-2ubuntu1.2+esm1USN-5718-2

Fixed in:0.33.6-1ubuntu0.1~esm1USN-5718-2

Fixed in:0.34.0-2ubuntu0.1USN-5718-1

Fixed in:0.38.4-0ubuntu2.1USN-5718-1

Fixed in:0.40.0-1ubuntu0.22.04.1USN-5718-1

Fixed in:0.40.0-1ubuntu0.22.10.1USN-5718-1

libpixman-1-devUbuntu

Fixed in:0.30.2-2ubuntu1.2+esm1USN-5718-2

Fixed in:0.33.6-1ubuntu0.1~esm1USN-5718-2

pixmanUbuntu

Fixed in:0.30.2-2ubuntu1.2+esm1USN-5718-2

Fixed in:0.33.6-1ubuntu0.1~esm1USN-5718-2

Fixed in:0.34.0-2ubuntu0.1USN-5718-1

Fixed in:0.38.4-0ubuntu2.1USN-5718-1

Fixed in:0.40.0-1ubuntu0.22.04.1USN-5718-1

Fixed in:0.40.0-1ubuntu0.22.10.1USN-5718-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.44%probability of exploitation in 30 days

70thpercentile

Moderate risk: more likely to be exploited than 70% of all known CVEs.

References

Patch1

gitlab.freedesktop.org

Exploit1

packetstormsecurity.com

Third-Party Advisory2

Mailing List1

openwall.com

Other references3

Related Vulnerabilities

Other CWE-190 (Integer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix
CVE-2019-11477	High	7.5	99%	-	Fix
CVE-2023-44443	High	7.8	94%	-	Fix
CVE-2014-0569	High	9.3	90%	-	-
CVE-2017-3599	High	7.5	90%	-	Fix
CVE-2023-21716	Critical	9.8	82%	-	Fix

Embed a live status badge for CVE-2022-44638

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-05-02.