CVE-2018-10972: An issue was discovered in Free Lossless Image Format (FLIF) 0.3

This month

HIGH 7.8DOWNGRADE

CVE-2018-10972 is a high-severity flaw (CVSS 7.8) affecting free lossless image format. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Free Lossless Image Format (FLIF) 0.3. The TransformPaletteC::process function in transform/palette_C.hpp allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecified other impact via a crafted file.

Why this priority

High severity

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.3% (top 31%)
CISA exploited list	No
Weakness	CWE-787
Published	2018-05-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: flif

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

Am I affected?

Timeline

2018-05-10 15:29 UTCPublished CVE record published
2026-06-17 01:35 UTCUpdated Record last modified

flif free lossless image format DOWNGRADE

Affected: 0.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.3

1. Check installed version

apt-cache policy free-lossless-image-format || rpm -q free-lossless-image-format || free-lossless-image-format --version

2. No fixed release: DOWNGRADE to a release before 0.3 (Debian / Ubuntu)

apt-cache madison free-lossless-image-format sudo apt install free-lossless-image-format=<VERSION_BEFORE_0.3> sudo apt-mark hold free-lossless-image-format

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list free-lossless-image-format sudo dnf downgrade free-lossless-image-format-<VERSION_BEFORE_0.3> sudo dnf versionlock add free-lossless-image-format

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2018-10972?

free lossless image format: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-10972 being exploited?

CVE-2018-10972 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-2018-10972 affect?

CVE-2018-10972 affects free lossless image format. Severity is high (CVSS 7.8). An issue was discovered in Free Lossless Image Format (FLIF) 0.3. The TransformPaletteC::process function in transform/palette_C.hpp allows remote attackers to cause a denial of service (heap-based buffer overflow) or possibly have unspecif

How urgent is CVE-2018-10972?

Priority 45/100. High severity

References

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