CVE-2021-37620 - CVE House
Back to Database
Status published Medium CVE-2021-37620

Out-of-bounds read in XmpTextValue::read()

Vulnerability Description

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.4 and earlier. The out-of-bounds read is triggered when Exiv2 is used to read the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.5.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

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

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-37620

Credits & Attribution

No credits recorded in the NVD database.

References

More from Exiv2

View All →
CVE-2025-55304
Exiv2 has quadratic performance in ICC profile parsing in JpegBase::readMetadata
Low 1.8
CVE-2025-54080
Exiv2 Segmentation Faults in Exiv2::EpsImage::writeMetadata() via crafted EPS file
Low 1.8
CVE-2025-26623
Use After Free in Exiv2
Medium 5.3
CVE-2024-39695
Exiv2 has an out-of-bounds read in AsfVideo::streamProperties
Medium 5.3
CVE-2024-25112
Denial of service due to unbounded recursion in QuickTimeVideo::multipleEntriesDecoder in Exiv2
Medium 5.5

Affected Vendor

Affected Software

exiv2
Vulnerable Versions:
<= 0.27.4

Timeline

Official Publish: August 9th, 2021
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

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

Weaknesses (CWE)

CWE-125

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1213 Data from Information Repositories
Collection
T1003 OS Credential Dumping
Credential Access
T1552 Unsecured Credentials
Credential Access