CVE-2023-44077: Studio Network Solutions ShareBrowser before 7.0 on macOS mishandles signature verification, aka PMP-2636.

Q: How do I fix CVE-2023-44077?

sharebrowser: upgrade to 7.0. Exact commands for each OS are on this page.

Q: Is CVE-2023-44077 being exploited?

CVE-2023-44077 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-2023-44077 affect?

CVE-2023-44077 affects sharebrowser. Severity is critical (CVSS 9.8). Studio Network Solutions ShareBrowser before 7.0 on macOS mishandles signature verification, aka PMP-2636.

Q: How urgent is CVE-2023-44077?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-44077 is a critical-severity flaw (CVSS 9.8) affecting sharebrowser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Studio Network Solutions ShareBrowser before 7.0 on macOS mishandles signature verification, aka PMP-2636.

Why this priority

Critical severity
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	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-347
Published	2024-01-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: studionetworksolutions

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

Am I affected?

Timeline

2024-01-17 20:15 UTCPublished CVE record published
2026-06-17 06:26 UTCUpdated Record last modified

studionetworksolutions sharebrowser UPGRADE

Affected: < 7.0

Fixed in: 7.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 7.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sharebrowser

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-2023-44077?

sharebrowser: upgrade to 7.0. Exact commands for each OS are on this page.

Is CVE-2023-44077 being exploited?

CVE-2023-44077 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-2023-44077 affect?

CVE-2023-44077 affects sharebrowser. Severity is critical (CVSS 9.8). Studio Network Solutions ShareBrowser before 7.0 on macOS mishandles signature verification, aka PMP-2636.

How urgent is CVE-2023-44077?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

macOS vulnerabilities

References

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