CVE-2026-59198

HIGHCVSS 7.5/10

Last modified

CVE-2026-59198 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Pillow is a Python imaging library. From 5.2.0 until 12.3.0, Pillow's TGA RLE encoder reads past its packed row buffer when saving a mode 1 image with TGA RLE compression, allowing adjacent process heap bytes to be copied into the generated TGA file.

Description

Pillow is a Python imaging library. From 5.2.0 until 12.3.0, Pillow's TGA RLE encoder reads past its packed row buffer when saving a mode 1 image with TGA RLE compression, allowing adjacent process heap bytes to be copied into the generated TGA file. This issue is fixed in version 12.3.0.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
PythonPillow>= 5.2.0, < 12.3.0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-59198?
Pillow is a Python imaging library. From 5.2.0 until 12.3.0, Pillow's TGA RLE encoder reads past its packed row buffer when saving a mode 1 image with TGA RLE compression, allowing adjacent process heap bytes to be copied into the generated TGA file. This issue is fixed in version 12.3.0.
How severe is CVE-2026-59198?
CVE-2026-59198 has a CVSS score of 7.5/10 (HIGH severity).
How do I fix CVE-2026-59198?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

Related CVEs from 2026

Are you affected by CVE-2026-59198?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST