CVE-2019-17371: gif2png 2.5.13 has a memory leak in the writefile function.

This month

MEDIUM 6.5DOWNGRADE

CVE-2019-17371 is a medium-severity flaw (CVSS 6.5) affecting gif2png. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

gif2png 2.5.13 has a memory leak in the writefile function.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-401
Published	2019-10-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: gif2png project

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

Am I affected?

Timeline

2019-10-09 13:15 UTCPublished CVE record published
2026-06-17 02:23 UTCUpdated Record last modified

gif2png project gif2png DOWNGRADE

Affected: 2.5.13

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.5.13

1. Check installed version

apt-cache policy gif2png || rpm -q gif2png || gif2png --version

2. No fixed release: DOWNGRADE to a release before 2.5.13 (Debian / Ubuntu)

apt-cache madison gif2png sudo apt install gif2png=<VERSION_BEFORE_2.5.13> sudo apt-mark hold gif2png

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

dnf --showduplicates list gif2png sudo dnf downgrade gif2png-<VERSION_BEFORE_2.5.13> sudo dnf versionlock add gif2png

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-2019-17371?

gif2png: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2019-17371 being exploited?

CVE-2019-17371 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-2019-17371 affect?

CVE-2019-17371 affects gif2png. Severity is medium (CVSS 6.5). gif2png 2.5.13 has a memory leak in the writefile function.

How urgent is CVE-2019-17371?

Priority 47/100. Public exploit reference

References

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