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Fencer Vulns
medium 6.5

CVE-2021-3482 json

A flaw was found in Exiv2 in versions before and including 0.27.4-RC1.

published 2021-04-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-26804

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

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.

Patch / fix

  • exiv2 Debian 14, Debian 13, Debian 12 0.27.5-1

debian advisories DEBIAN-CVE-2021-3482

  • exiv2 Ubuntu 18.04 LTS 0.25-3.1ubuntu0.18.04.7
  • exiv2 Ubuntu 20.04 LTS 0.27.2-8ubuntu2.2
  • exiv2 Ubuntu Pro 16.04 LTS 0.25-2.1ubuntu16.04.7+esm1

ubuntu advisories UBUNTU-CVE-2021-3482

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • exiv2 RHEL 8 0.27.4-5.el8
  • exiv2-libs RHEL 8 0.27.4-5.el8

red hat advisories RHSA-2021:4173

  • exiv2 AlmaLinux 8 0.27.4-5.el8
  • exiv2-libs AlmaLinux 8 0.27.4-5.el8

almalinux advisories ALSA-2021:4173

  • exiv2 Rocky Linux 8 0.27.4-5.el8

rocky linux advisories RLSA-2021:4173

  • exiv2 Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 0.27.3-r1

alpine advisories ALPINE-CVE-2021-3482

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • exiv2 CBL-Mariner 2.0 0.27.5-1

azure linux advisories AZL-7217

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

  • exiv2 Arch Linux 0.27.4-1

arch linux advisories AVG-1772

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2021-3482 updated cvss 6.5

exiv2: Heap-based buffer overflow in Jp2Image::readMetadata()

  • Red Hat Enterprise Linux 6 exiv2, exiv2-libs Red Hat Enterprise Linux 7 exiv2, exiv2-libs
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) exiv2-doc 0.27.4-5.el8, exiv2-devel 0.27.4-5.el8, exiv2-debuginfo 0.27.4-5.el8, exiv2-debugsource 0.27.4-5.el8, exiv2-libs-debuginfo 0.27.4-5.el8 Red Hat Enterprise Linux AppStream (v. 8) exiv2 0.27.4-5.el8, exiv2-libs 0.27.4-5.el8
    fixed: vendor fix RHSA-2021:4173
  • Red Hat Enterprise Linux 9 exiv2, exiv2-libs
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.21% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:P/I:N/A:P

Affected products

  • n/a exiv2

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.