Buffer overflow in Exiv2
CVE-2021-3482
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.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.023 (81.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
Affected products
- Exiv2 — versions 0.27.4
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 33, 34
- Redhat Enterprise_linux — versions 8.0
- N/a Exiv2 — versions exiv2 0.27.4RC2
Weakness classification (CWE)
References
- secalert@redhat.com (Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3482?
- CVE-2021-3482 is a medium-severity vulnerability in Exiv2, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2021-04-08.
- How severe is CVE-2021-3482?
- Medium severity. CVSS v3 base score is 6.5 out of 10.