CVE-2017-6318: saned in sane-backends 1.0.25 allows remote attackers to obtain sensitive memory information via a crafted SAN

This month

HIGH 7.5REMOTEMITIGATEDOWNGRADE

CVE-2017-6318 is a high-severity flaw (CVSS 7.5) affecting leap, sane-backends. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

saned in sane-backends 1.0.25 allows remote attackers to obtain sensitive memory information via a crafted SANE_NET_CONTROL_OPTION packet.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-200
Published	2017-03-20
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: opensuse · sane-backends project

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

Am I affected?

Timeline

2017-03-20 16:59 UTCPublished CVE record published
2026-06-17 01:22 UTCUpdated Record last modified

opensuse leap MITIGATE

Affected: 42.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 42.1

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

sane-backends project sane-backends DOWNGRADE

Affected: 1.0.25

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0.25

1. Check installed version

apt-cache policy sane-backends || rpm -q sane-backends || sane-backends --version

2. No fixed release: DOWNGRADE to a release before 1.0.25 (Debian / Ubuntu)

apt-cache madison sane-backends sudo apt install sane-backends=<VERSION_BEFORE_1.0.25> sudo apt-mark hold sane-backends

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

dnf --showduplicates list sane-backends sudo dnf downgrade sane-backends-<VERSION_BEFORE_1.0.25> sudo dnf versionlock add sane-backends

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-2017-6318?

leap: mitigate or apply the listed mitigation; sane-backends: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-6318 being exploited?

CVE-2017-6318 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-2017-6318 affect?

CVE-2017-6318 affects leap, sane-backends. Severity is high (CVSS 7.5). saned in sane-backends 1.0.25 allows remote attackers to obtain sensitive memory information via a crafted SANE_NET_CONTROL_OPTION packet.

How urgent is CVE-2017-6318?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

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References

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