Is CVE-2025-68480 in the CISA KEV catalog?

No. CVE-2025-68480 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-68480?

CVE-2025-68480 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-68480?

CVE-2025-68480 has an EPSS score of 0.25% (17th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-68480?

Upgrade python-marshmallow on debian 13 to 3.26.2-0+deb13u1 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2025-68480

MEDIUM

5.3

CVSS v3

NVD

Description

Marshmallow is a lightweight library for converting complex objects to and from simple Python datatypes. In versions from 3.0.0rc1 to before 3.26.2 and from 4.0.0 to before 4.1.2, Schema.load(data, many=True) is vulnerable to denial of service attacks. A moderately sized request can consume a disproportionate amount of CPU time. This issue has been patched in version 3.26.2 and 4.1.2.

CWE-405

How to fix

Remediation Available

python-marshmallowDebian

Fixed in:3.26.2-0+deb13u1CVE-2025-68480

Fixed in:3.26.2-0.1CVE-2025-68480

python-marshmallowUbuntu

Fixed in:3.0.0b3-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.4.0-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.13.0-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.20.1-1.1ubuntu0.1~esm1USN-8225-1

python3-marshmallowUbuntu

Fixed in:3.0.0b3-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.4.0-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.13.0-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.20.1-1.1ubuntu0.1~esm1USN-8225-1

python3-marshmallow-docUbuntu

Fixed in:3.0.0b3-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.4.0-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.13.0-1ubuntu0.1~esm1USN-8225-1

Fixed in:3.20.1-1.1ubuntu0.1~esm1USN-8225-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

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 InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.25%probability of exploitation in 30 days

17thpercentile

Low risk: more likely to be exploited than 17% of all known CVEs.

References

Other references2

Related Vulnerabilities

Other CWE-405 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2019-11479	High	7.5	92%	-	Fix
CVE-2024-11187	High	7.5	15%	-	Fix
CVE-2025-8677	High	7.5	11%	-	Fix
CVE-2021-38447	High	8.6	2.1%	-	Fix
CVE-2021-21359	Medium	5.9	1.7%	-	Fix
CVE-2018-15492	High	7.5	1.2%	-	-

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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 2025-12-23.