CVE-2021-37620

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

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.

Category

4.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: Exiv2 exiv2
Published at:
Updated at:

References

Link Tags
https://github.com/Exiv2/exiv2/security/advisories/GHSA-v5g7-46xf-h728 third party advisory
https://github.com/Exiv2/exiv2/pull/1769 third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/ vendor advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html third party advisory mailing list
https://security.gentoo.org/glsa/202312-06 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-37620?
CVE-2021-37620 has been scored as a medium severity vulnerability.
How to fix CVE-2021-37620?
To fix CVE-2021-37620, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-37620 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-37620 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-37620?
CVE-2021-37620 affects Exiv2 exiv2.
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