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Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 : Exiv2 vulnerabilities (USN-8103-1)

medium Nessus Plugin ID 303030

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS / 25.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8103-1 advisory.

 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)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-8103-1

Plugin Details

Severity: Medium

ID: 303030

File Name: ubuntu_USN-8103-1.nasl

Version: 1.1

Type: local

Agent: unix

Published: 3/19/2026

Updated: 3/19/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 5.8

Temporal Score: 4.5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:P

CVSS Score Source: CVE-2020-18771

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS Score Source: CVE-2026-25884

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-27631

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:25.10, p-cpe:/a:canonical:ubuntu_linux:exiv2, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libexiv2-28, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libexiv2-data, p-cpe:/a:canonical:ubuntu_linux:libexiv2-dev, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libexiv2-27, p-cpe:/a:canonical:ubuntu_linux:libexiv2-14

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/18/2026

Vulnerability Publication Date: 8/19/2021

Reference Information

CVE: CVE-2020-18771, CVE-2020-18899, CVE-2025-54080, CVE-2025-55304, CVE-2026-25884, CVE-2026-27596, CVE-2026-27631

IAVA: 2025-A-0638-S, 2026-A-0190

USN: 8103-1