CVE-2021-3482

Name: CVE-2021-3482
Creator: NVD / NIST
Published: 2021-04-08T23:15:12.677+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.30%

Last modified Jun 17, 2026

CVE-2021-3482 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.. EPSS estimates a 2.30% chance of exploitation in the next 30 days.

Description

A flaw was found in Exiv2 in versions before and including 0.27.4-RC1. Improper input validation of the rawData.size property in Jp2Image::readMetadata() in jp2image.cpp can lead to a heap-based buffer overflow via a crafted JPG image containing malicious EXIF data.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.30%

81.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Exiv2	Exiv2	<= 0.27.3	—
Exiv2	Exiv2	0.27.4	Rc1
Redhat	Enterprise Linux	8.0	—
Fedoraproject	Fedora	33	—
Fedoraproject	Fedora	34	—
Debian	Debian Linux	9.0	—
Debian	Debian Linux	10.0	—

References

https://bugzilla.redhat.com/show_bug.cgi?id=1946314Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/
https://www.debian.org/security/2021/dsa-4958Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1946314Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/08/msg00028.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2XQT5F5IINTDYDAFGVGQZ7PMMLG7I5ZZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P2A5GMJEXQ5Q76JK6F6VKK5JYCLVFGKN/
https://www.debian.org/security/2021/dsa-4958Third Party Advisory

Timeline

Published: Apr 8, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-3482?

How severe is CVE-2021-3482?

CVE-2021-3482 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.30% probability of exploitation in the next 30 days.

How do I fix CVE-2021-3482?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-3482?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST