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CVE-2025-48379

7.1 · HIGH

Pillow is a Python imaging library.

Published Jul 1, 2025CWE-122EPSS 0.32%

Overview

CVE-2025-48379 is a high-severity vulnerability. It was published on July 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

Pillow is a Python imaging library. In versions 11.2.0 to before 11.3.0, there is a heap buffer overflow when writing a sufficiently large (>64k encoded with default settings) image in the DDS format due to writing into a buffer without checking for available space. This only affects users who save untrusted data as a compressed DDS image. This issue has been patched in version 11.3.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/python-pillow/Pillow/commit/ef98b3510e3e4f14b547762764813d7e5ca3c5a4GitHubgithub.com/python-pillow/Pillow/pull/9041GitHubgithub.com/python-pillow/Pillow/releases/tag/11.3.0GitHubgithub.com/python-pillow/Pillow/security/advisories/GHSA-xg8h-j46f-w952

How CyberStrike helps

Frequently asked questions

What is CVE-2025-48379?

CVE-2025-48379 is a high-severity vulnerability. It was published on July 1, 2025 and has a CVSS 3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-48379?

This vulnerability has a CVSS 3.1 base score of 7.1, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-48379?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-48379?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-48379 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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