CVE-2019-9195: util/src/zip.rs in Grin before 1.0.2 mishandles suspicious files

Q: How do I fix CVE-2019-9195?

grin: upgrade to 1.0.2. Exact commands for each OS are on this page.

Q: Is CVE-2019-9195 being exploited?

CVE-2019-9195 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-2019-9195 affect?

CVE-2019-9195 affects grin. Severity is critical (CVSS 9.8). util/src/zip.rs in Grin before 1.0.2 mishandles suspicious files. An attacker can execute arbitrary code via directory traversal in a ZIP archive.

Q: How urgent is CVE-2019-9195?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-9195 is a critical-severity flaw (CVSS 9.8) affecting grin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

util/src/zip.rs in Grin before 1.0.2 mishandles suspicious files. An attacker can execute arbitrary code via directory traversal in a ZIP archive.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.6% (top 11%)
CISA exploited list	No
Weakness	CWE-22
Published	2019-02-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: grin

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

Am I affected?

Timeline

2019-02-26 19:29 UTCPublished CVE record published
2026-06-17 02:43 UTCUpdated Record last modified

grin grin UPGRADE

Affected: < 1.0.2

Fixed in: 1.0.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 1.0.2 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade grin

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-2019-9195?

grin: upgrade to 1.0.2. Exact commands for each OS are on this page.

Is CVE-2019-9195 being exploited?

CVE-2019-9195 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-2019-9195 affect?

CVE-2019-9195 affects grin. Severity is critical (CVSS 9.8). util/src/zip.rs in Grin before 1.0.2 mishandles suspicious files. An attacker can execute arbitrary code via directory traversal in a ZIP archive.

How urgent is CVE-2019-9195?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-6638 HIGH 7.5 UPGRADE Grin through 2.1.1 has Insufficient Validation.
CVE-2020-15899 HIGH 7.5 UPGRADE Grin 3.0.0 before 4.0.0 has insufficient validation of data related to Mimblewimble.
CVE-2020-12439 MEDIUM 5.3 UPGRADE Grin before 3.1.0 allows attackers to adversely affect availability of data on a Mimblewimble blockchain.

References

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