HOMEVULNERABILITIESCVE-2020-26208
MEDIUM

CVE-2020-26208

CWE-787Published: February 2, 2022· Updated: Jun 17, 2026

6.1
CVSS v3.1

Official Description

JHEAD is a simple command line tool for displaying and some manipulation of EXIF header data embedded in Jpeg images from digital cameras. In affected versions there is a heap-buffer-overflow on jhead-3.04/jpgfile.c:285 ReadJpegSections. Crafted jpeg images can be provided to the user resulting in a program crash or potentially incorrect exif information retrieval. Users are advised to upgrade. There is no known workaround for this issue.

NVD Source

Technical Analysis

CVE-2020-26208 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 6.1.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

Affected Vendors & Products

jhead_project1 product(s)
jhead
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

PATCHhttps://github.com/F-ZhaoYang/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4
PATCHhttps://github.com/Matthias-Wandel/jhead/issues/7
PATCHhttps://github.com/F-ZhaoYang/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4
PATCHhttps://github.com/Matthias-Wandel/jhead/issues/7
ADVISORYhttps://bugs.launchpad.net/ubuntu/+source/jhead/+bug/1900821
ADVISORYhttps://github.com/F-ZhaoYang/jhead/security/advisories/GHSA-7pr6-xq4f-qhgc
ADVISORYhttps://bugs.launchpad.net/ubuntu/+source/jhead/+bug/1900821
ADVISORYhttps://github.com/F-ZhaoYang/jhead/security/advisories/GHSA-7pr6-xq4f-qhgc

All References (8)

→
https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/1900821Exploit · Third Party Advisory
→
https://github.com/F-ZhaoYang/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4Patch · Third Party Advisory
→
https://github.com/F-ZhaoYang/jhead/security/advisories/GHSA-7pr6-xq4f-qhgcExploit · Third Party Advisory
→
https://github.com/Matthias-Wandel/jhead/issues/7Patch · Third Party Advisory
→
https://bugs.launchpad.net/ubuntu/+source/jhead/+bug/1900821Exploit · Third Party Advisory
→
https://github.com/F-ZhaoYang/jhead/commit/5186ddcf9e35a7aa0ff0539489a930434a1325f4Patch · Third Party Advisory
→
https://github.com/F-ZhaoYang/jhead/security/advisories/GHSA-7pr6-xq4f-qhgcExploit · Third Party Advisory
→
https://github.com/Matthias-Wandel/jhead/issues/7Patch · Third Party Advisory

Quick Facts

CVE IDCVE-2020-26208
CVSS Score6.1 / 10
SeverityMEDIUM
WeaknessCWE-787
CISA KEVNo
Affected1 vendor(s)
PublishedFeb 2, 2022

Related CVEs (CWE-787)

CVE-2015-5096
10.0
CVE-2018-2913
10.0
CVE-2019-5684
10.0
CVE-2015-5105
10.0
CVE-2015-5098
10.0
CVE-2015-0235
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-26208 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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