CVE-2020-25265: AppImage libappimage before 1.0.3 allows attackers to trigger an overwrite of a system-installed .desktop file

Q: How do I fix CVE-2020-25265?

libappimage: upgrade to 1.0.3. Exact commands for each OS are on this page.

Q: Is CVE-2020-25265 being exploited?

CVE-2020-25265 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-25265 affect?

CVE-2020-25265 affects libappimage. Severity is medium (CVSS 6.5). AppImage libappimage before 1.0.3 allows attackers to trigger an overwrite of a system-installed .desktop file by providing a .desktop file that contains Name= with path components.

Q: How urgent is CVE-2020-25265?

Priority 43/100. No elevated risk signals yet.

This month

MEDIUM 6.5UPGRADE

CVE-2020-25265 is a medium-severity flaw (CVSS 6.5) affecting libappimage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

AppImage libappimage before 1.0.3 allows attackers to trigger an overwrite of a system-installed .desktop file by providing a .desktop file that contains Name= with path components.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Published	2020-12-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: appimage

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-12-02 17:15 UTCPublished CVE record published
2026-06-17 03:06 UTCUpdated Record last modified

appimage libappimage UPGRADE

Affected: < 1.0.3

Fixed in: 1.0.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy libappimage || rpm -q libappimage || libappimage --version

2. UPGRADE to 1.0.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade libappimage

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade libappimage

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-25265?

libappimage: upgrade to 1.0.3. Exact commands for each OS are on this page.

Is CVE-2020-25265 being exploited?

CVE-2020-25265 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-25265 affect?

CVE-2020-25265 affects libappimage. Severity is medium (CVSS 6.5). AppImage libappimage before 1.0.3 allows attackers to trigger an overwrite of a system-installed .desktop file by providing a .desktop file that contains Name= with path components.

How urgent is CVE-2020-25265?

Priority 43/100. No elevated risk signals yet.

References

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