CVE-2021-27815 - CVE House
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Status published Medium CVE-2021-27815

NULL Pointer Deference in the exif command line tool, when...

Vulnerability Description

NULL Pointer Deference in the exif command line tool, when printing out XML formatted EXIF data, in exif v0.6.22 and earlier allows attackers to cause a Denial of Service (DoS) by uploading a malicious JPEG file, causing the application to crash.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from libexif project

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CVE-2020-13114
An issue was discovered in libexif before 0.6.22. An unrestricted...
High 7.5
CVE-2020-13113
An issue was discovered in libexif before 0.6.22. Use of...
High 8.2
CVE-2020-13112
An issue was discovered in libexif before 0.6.22. Several buffer...
Critical 9.1
CVE-2020-12767
exif_entry_get_value in exif-entry.c in libexif 0.6.21 has a divide-by-zero error....
Medium 5.5
CVE-2012-2841
Integer underflow in the exif_entry_get_value function in exif-entry.c in the...
High 7.5

Affected Vendor

libexif project

View all reports →

Affected Software

exif, fedora
Vulnerable Versions:
0, 32, 33, 34

Timeline

Official Publish: April 14th, 2021
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.