Is CVE-2021-28277 in the CISA KEV catalog?

No. CVE-2021-28277 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-28277?

CVE-2021-28277 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2021-28277?

CVE-2021-28277 has an EPSS score of 0.85% (54th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-28277?

Upgrade jhead on debian 12 to 1:3.06.0.1-2 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-28277

HIGH

7.8

CVSS v3

NVD

Description

A Heap-based Buffer Overflow vulnerabilty exists in jhead 3.04 and 3.05 is affected by: Buffer Overflow via the RemoveUnknownSections function in jpgfile.c.

CWE-787Out-of-bounds Write

How to fix

Remediation Available

jheadDebian

Fixed in:1:3.06.0.1-2CVE-2021-28277

jheadUbuntu

Fixed in:1:2.97-1+deb8u2ubuntu0.1~esm3USN-6110-1

Fixed in:1:3.00-4+deb9u1ubuntu0.1~esm3USN-6110-1

Fixed in:1:3.00-8~ubuntu0.2+esm1USN-6110-1

Fixed in:1:3.04-1ubuntu0.2+esm1USN-6110-1

Fixed in:1:3.06.0.1-2ubuntu0.22.04.1+esm1USN-6110-1

Fixed in:1:3.06.0.1-2ubuntu0.22.10.2USN-6110-1

Fixed in:1:3.06.0.1-6ubuntu0.23.04.1USN-6110-1

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

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.85%probability of exploitation in 30 days

54thpercentile

Moderate risk: more likely to be exploited than 54% of all known CVEs.

References

Exploit1

github.com

Third-Party Advisory1

security.gentoo.org

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

Embed a live status badge for CVE-2021-28277

Markdown

[![CVE-2021-28277](https://tridentstack.com/cve/badge/CVE-2021-28277.svg)](https://tridentstack.com/cve/CVE-2021-28277)

HTML

<a href="https://tridentstack.com/cve/CVE-2021-28277"><img src="https://tridentstack.com/cve/badge/CVE-2021-28277.svg" alt="CVE-2021-28277"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

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.