Ubuntu alert USN-8103-1 (exiv2)

From:
             
 
noreply+usn-bot@canonical.com
To:
             
 
ubuntu-security-announce@lists.ubuntu.com
Subject:
             
 
[USN-8103-1] Exiv2 vulnerabilities
Date:
             
 
Wed, 18 Mar 2026 22:08:25 +0000
Message-ID:
             
 
<E1w2z3x-0003sC-5q@lists.ubuntu.com>
==========================================================================
Ubuntu Security Notice USN-8103-1
March 18, 2026

exiv2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Exiv2.

Software Description:
- exiv2: EXIF/IPTC/XMP metadata manipulation tool

Details:

It was discovered that Exiv2 did not correctly handle reading certain
buffers. An attacker could possibly use this issue to leak sensitive
information. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04
LTS. (CVE-2020-18771)

Wen Cheng discovered that Exiv2 did not correctly handle certain memory
allocation. If a user or system were tricked into opening a specially
crafted file, an attacker could possibly use this issue to cause a denial
of service. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2020-18899)

It was discovered that Exiv2 did not correctly handle writing certain
metadata. If a user or system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service. (CVE-2025-54080)

It was discovered that Exiv2 did not correctly handle parsing certain
metadata. If a user or system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS,
Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-55304)

It was discovered that Exiv2 did not correctly handle parsing certain
images. If a user or system were tricked into opening a specially crafted
file, an attacker could possibly use this issue to cause a denial of
service. (CVE-2026-25884)

It was discovered that Exiv2 did not correctly handle previewing certain
images. An attacker could possibly use this issue to cause a denial of
service. (CVE-2026-27596)

It was discovered that Exiv2 did not correctly handle certain integer
arithmetic. An attacker could possibly use this issue to cause a denial of
service. (CVE-2026-27631)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 25.10
  exiv2                           0.28.5+dfsg-1ubuntu0.1

Ubuntu 24.04 LTS
  exiv2                           0.27.6-1ubuntu0.1

Ubuntu 22.04 LTS
  exiv2                           0.27.5-3ubuntu1.1

Ubuntu 20.04 LTS
  exiv2                           0.27.2-8ubuntu2.7+esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  exiv2                           0.25-3.1ubuntu0.18.04.11+esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  exiv2                           0.25-2.1ubuntu16.04.7+esm5
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-8103-1
  CVE-2020-18771, CVE-2020-18899, CVE-2025-54080, CVE-2025-55304,
  CVE-2026-25884, CVE-2026-27596, CVE-2026-27631

Package Information:
  https://launchpad.net/ubuntu/+source/exiv2/0.28.5+dfsg-1u...
  https://launchpad.net/ubuntu/+source/exiv2/0.27.6-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/exiv2/0.27.5-3ubuntu1.1


Attachment: signature.asc (type=application/pgp-signature)
-----BEGIN PGP SIGNATURE-----
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=ycHk
-----END PGP SIGNATURE-----