How severe is CVE-2022-45198?

CVE-2022-45198 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-45198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45198?

CVE-2022-45198 affects Python Pillow. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45198?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-45198 published?

CVE-2022-45198 was published on 2022-11-14 and last updated on 2026-06-17.

CVE-2022-45198

CVE-2022-45198 is a high-severity vulnerability in Python Pillow with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (64th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Python Pillow
Published: 2022-11-14
Last modified: 2026-06-17

Description

Pillow before 9.2.0 performs Improper Handling of Highly Compressed GIF Data (Data Amplification).

Frequently asked questions

What is CVE-2022-45198?: Pillow before 9.2.0 performs Improper Handling of Highly Compressed GIF Data (Data Amplification).
How severe is CVE-2022-45198?: CVE-2022-45198 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-45198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45198?: CVE-2022-45198 affects Python Pillow. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-45198 published?: CVE-2022-45198 was published on 2022-11-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*

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