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TI-2022-21957 Aliases CVE-2022-44638GHSA-jw33-72hm-ggg2

In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based…

Priority MEDIUM 44CWE-190Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 7 fixed, 1 without a fix

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-190 and the CVSS impact.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01913 79th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 7 advisoriesRed Hat: 7 fixed, 1 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:pixman:pixman:*:*:*:*:*:*:*:*before 0.42.2VulnerablePixman
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*10.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*11.0VulnerableDebian
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*35VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*37VulnerableFedoraproject
  • cpe:2.3:a:pixman:pixman:*:*:*:*:*:*:*:* Versions before 0.42.2 Vulnerable ·Pixman
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* Versions 11.0 Vulnerable ·Debian
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
  • cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* Versions 37 Vulnerable ·Fedoraproject

Remediation

Red Hat 7 advisories

  • RHSA-2024:2525 Released 2024-04-30 · Red Hat rating Moderate
    mingw-pixman security update
    • Red Hat Enterprise Linux CRB (v. 9) mingw-pixman-0.42.2-3.el9, mingw32-pixman-0.42.2-3.el9, mingw64-pixman-0.42.2-3.el9
  • RHSA-2024:0131 Released 2024-01-10 · Red Hat rating Moderate
    pixman security update
    • Red Hat Enterprise Linux AppStream (v. 8) pixman-0.38.4-3.el8_9, pixman-devel-0.38.4-3.el8_9
  • RHSA-2023:7754 Released 2023-12-12 · Red Hat rating Moderate
    pixman security update
    • Red Hat Enterprise Linux AppStream (v. 9) pixman-0.40.0-6.el9_3, pixman-devel-0.40.0-6.el9_3
Show 4 more Red Hat advisories
  • RHSA-2023:7531 Released 2023-11-28 · Red Hat rating Moderate
    pixman security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.8) pixman-0.38.4-3.el8_8, pixman-devel-0.38.4-3.el8_8
  • RHSA-2023:7403 Released 2023-11-21 · Red Hat rating Moderate
    pixman security update
    • Red Hat Enterprise Linux AppStream EUS (v.8.6) pixman-0.38.4-3.el8_6, pixman-devel-0.38.4-3.el8_6
  • RHSA-2023:7386 Released 2023-11-21 · Red Hat rating Moderate
    pixman security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.0) pixman-0.40.0-6.el9_0, pixman-devel-0.40.0-6.el9_0
  • RHSA-2023:7375 Released 2023-11-21 · Red Hat rating Moderate
    pixman security update
    • Red Hat Enterprise Linux AppStream EUS (v.9.2) pixman-0.40.0-6.el9_2, pixman-devel-0.40.0-6.el9_2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 7AffectedNo fix planned: Out of support scope
Red Hat Enterprise Linux AppStream (v. 8)Fixed RHSA-2024:0131
Red Hat Enterprise Linux AppStream (v. 9)Fixed RHSA-2023:7754
Red Hat Enterprise Linux AppStream EUS (v.8.6)Fixed RHSA-2023:7403
Red Hat Enterprise Linux AppStream EUS (v.8.8)Fixed RHSA-2023:7531
Red Hat Enterprise Linux AppStream EUS (v.9.0)Fixed RHSA-2023:7386
Red Hat Enterprise Linux AppStream EUS (v.9.2)Fixed RHSA-2023:7375
Red Hat Enterprise Linux CRB (v. 9)Fixed RHSA-2024:2525

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-44638
  2. 2026-10-03 Alias added: GHSA-jw33-72hm-ggg2

References

Exploit 2

Advisory 5

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences