CVE-2017-8927: Buffer overflow in Larson VizEx Reader 9.7.5 allows attackers to cause a denial of service or possibly have un

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HIGH 7.8DOWNGRADE

CVE-2017-8927 is a high-severity flaw (CVSS 7.8) affecting vizex reader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Larson VizEx Reader 9.7.5 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .tif file.

Why this priority

High severity
Public exploit reference

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	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-119
Published	2017-05-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cgmlarson

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

Am I affected?

Timeline

2017-05-15 18:29 UTCPublished CVE record published
2026-06-17 01:27 UTCUpdated Record last modified

cgmlarson vizex reader DOWNGRADE

Affected: 9.7.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.7.5

1. Check installed version

apt-cache policy vizex-reader || rpm -q vizex-reader || vizex-reader --version

2. No fixed release: DOWNGRADE to a release before 9.7.5 (Debian / Ubuntu)

apt-cache madison vizex-reader sudo apt install vizex-reader=<VERSION_BEFORE_9.7.5> sudo apt-mark hold vizex-reader

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

dnf --showduplicates list vizex-reader sudo dnf downgrade vizex-reader-<VERSION_BEFORE_9.7.5> sudo dnf versionlock add vizex-reader

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Larson VizEx Reader 9.7.5 - Local Buffer Overflow (SEH)

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-2017-8927?

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

Is CVE-2017-8927 being exploited?

CVE-2017-8927 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-2017-8927 affect?

CVE-2017-8927 affects vizex reader. Severity is high (CVSS 7.8). Buffer overflow in Larson VizEx Reader 9.7.5 allows attackers to cause a denial of service or possibly have unspecified other impact via a crafted .tif file.

How urgent is CVE-2017-8927?

Priority 54/100. High severity; Public exploit reference

References

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