Is CVE-2021-28678 in the CISA KEV catalog?

No. CVE-2021-28678 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28678?

CVE-2021-28678 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2021-28678?

CVE-2021-28678 has an EPSS score of 0.73% (50th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28678?

Upgrade pillow on debian 11 to 8.1.2+dfsg-0.2 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2021-28678

MEDIUM

5.5

CVSS v3

NVD

Description

An issue was discovered in Pillow before 8.2.0. For BLP data, BlpImagePlugin did not properly check that reads (after jumping to file offsets) returned data. This could lead to a DoS where the decoder could be run a large number of times on empty data.

CWE-345

How to fix

Remediation Available

pillowDebian

Fixed in:8.1.2+dfsg-0.2CVE-2021-28678

pillowUbuntu

Fixed in:5.1.0-1ubuntu0.6USN-4963-1

Fixed in:7.0.0-4ubuntu0.4USN-4963-1

python-pilUbuntu

Fixed in:5.1.0-1ubuntu0.6USN-4963-1

python3-pilUbuntu

Fixed in:5.1.0-1ubuntu0.6USN-4963-1

Fixed in:7.0.0-4ubuntu0.4USN-4963-1

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 VectorLocal

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

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

Exploit Intelligence

0.73%probability of exploitation in 30 days

50thpercentile

Moderate risk: more likely to be exploited than 50% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

pillow.readthedocs.io

Third-Party Advisory1

security.gentoo.org

Other references1

lists.fedoraproject.org

Related Vulnerabilities

Other CWE-345 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-38831	High	7.8	98%	KEV + Ransom	Fix
CVE-2016-4553	High	8.6	80%	-	Fix
CVE-2016-4554	High	8.6	39%	-	Fix
CVE-2023-35719	Medium	6.8	26%	-	-
CVE-2022-26871	Critical	9.8	20%	KEV	-
CVE-2014-4936	High	9.3	17%	-	-

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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 2024-11-21.