CVE-2016-7831: Sleipnir 4 Black Edition for Mac 4.5.3 and earlier and Sleipnir 4 for Mac 4.5.3 and earlier (Mac App Store) ma

Q: How do I fix CVE-2016-7831?

sleipnir: upgrade to newer than 4.5.3. Exact commands for each OS are on this page.

Q: Is CVE-2016-7831 being exploited?

CVE-2016-7831 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-2016-7831 affect?

CVE-2016-7831 affects sleipnir. Severity is medium (CVSS 6.1). Sleipnir 4 Black Edition for Mac 4.5.3 and earlier and Sleipnir 4 for Mac 4.5.3 and earlier (Mac App Store) may allow a remote attacker to spoof the URL display via a specially crafted webpage.

Q: How urgent is CVE-2016-7831?

Priority 36/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2016-7831 is a medium-severity flaw (CVSS 6.1) affecting sleipnir. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Sleipnir 4 Black Edition for Mac 4.5.3 and earlier and Sleipnir 4 for Mac 4.5.3 and earlier (Mac App Store) may allow a remote attacker to spoof the URL display via a specially crafted webpage.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.8% (top 42%)
CISA exploited list	No
Weakness	CWE-601
Published	2017-06-09
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: fenrir-inc

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

Am I affected?

Timeline

2017-06-09 16:29 UTCPublished CVE record published
2026-06-17 00:53 UTCUpdated Record last modified

fenrir-inc sleipnir UPGRADE

Affected: <= 4.5.3 · 4.5.3

Fixed in: newer than 4.5.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 4.5.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sleipnir

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-2016-7831?

sleipnir: upgrade to newer than 4.5.3. Exact commands for each OS are on this page.

Is CVE-2016-7831 being exploited?

CVE-2016-7831 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-2016-7831 affect?

CVE-2016-7831 affects sleipnir. Severity is medium (CVSS 6.1). Sleipnir 4 Black Edition for Mac 4.5.3 and earlier and Sleipnir 4 for Mac 4.5.3 and earlier (Mac App Store) may allow a remote attacker to spoof the URL display via a specially crafted webpage.

How urgent is CVE-2016-7831?

Priority 36/100. No elevated risk signals yet.

Related CVEs

CVE-2013-2303 MEDIUM 5.0 UPGRADE Sleipnir 4.0.0.4000 and earlier on Windows allows remote attackers to spoof the SSL lock icon and address-bar

References

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