What’s Vulnerable › Vulnerabilities

CVE-2021-3482

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-08 · updated 2026-06-17
• Weakness: CWE-20

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.

Affected products

• Debian Linux: 9.0, 10.0
• exiv2: through 0.27.3; 0.27.4-rc1
• Fedoraproject Fedora: 33, 34
• Red Hat Enterprise Linux: 8.0

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1946314
• https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
• 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-4958
• https://bugzilla.redhat.com/show_bug.cgi?id=1946314
• https://lists.debian.org/debian-lts-announce/2021/08/msg00028.html
• 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-4958

Get alerted when CVE-2021-3482 or the next vulnerability affects your stack