TI-2020-16030 Aliases CVE-2020-26208

Heap-buffer-overflow in jhead

MEDIUM 60CWE-787Published 2022-02-02 · Updated 2025-05-05

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: Low · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.0089 59th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jhead_project:jhead::::::::	before 3.04	Vulnerable	Jhead Project

cpe:2.3:a:jhead_project:jhead:*:*:*:*:*:*:*:* Versions before 3.04 Vulnerable ·Jhead Project

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2020-26208

References

Exploit 2

Patch 2

TI-2022-11226 Matthias-Wandel/jhead jhead 3.06 is vulnerable to Buffer Overflow via shellescape()… CVSS 3.1CRITICAL 9.8
TI-2025-28699 jhead v3.08 was discovered to contain a heap-use-after-free via the ProcessFile function at jhead.c. CVSS 3.1HIGH 7.8
TI-2022-20137 Jhead 3.06.0.1 allows attackers to execute arbitrary OS commands by placing them in a… CVSS 3.1HIGH 7.8
TI-2018-11874 The ProcessGpsInfo function of the gpsinfo.c file of jhead 3.00 may allow a remote… CVSS 3.0HIGH 7.8
TI-2018-12214 The ProcessGpsInfo function of the gpsinfo.c file of jhead 3.00 may allow a remote… CVSS 3.0HIGH 7.8
TI-2021-13253 jhead 3.06 is vulnerable to Buffer Overflow via exif.c in function Put16u. CVSS 3.1HIGH 7.8

See all 17 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences