CVE-2016-7844: GigaCC OFFICE ver.2.3 and earlier allows remote attackers to execute arbitrary OS commands via specially craft

Q: How do I fix CVE-2016-7844?

gigacc office: upgrade to newer than 2.3. Exact commands for each OS are on this page.

Q: Is CVE-2016-7844 being exploited?

CVE-2016-7844 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-2016-7844 affect?

CVE-2016-7844 affects gigacc office. Severity is medium (CVSS 5.5). GigaCC OFFICE ver.2.3 and earlier allows remote attackers to execute arbitrary OS commands via specially crafted mail template.

Q: How urgent is CVE-2016-7844?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2016-7844 is a medium-severity flaw (CVSS 5.5) affecting gigacc office. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GigaCC OFFICE ver.2.3 and earlier allows remote attackers to execute arbitrary OS commands via specially crafted mail template.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-78
Published	2017-08-02
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: gigaccsecure

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

Am I affected?

Timeline

2017-08-02 16:29 UTCPublished CVE record published
2026-06-17 00:53 UTCUpdated Record last modified

gigaccsecure gigacc office UPGRADE

Affected: <= 2.3

Fixed in: newer than 2.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gigacc-office || rpm -q gigacc-office || gigacc-office --version

2. UPGRADE to newer than 2.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade gigacc-office

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade gigacc-office

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-2016-7844?

gigacc office: upgrade to newer than 2.3. Exact commands for each OS are on this page.

Is CVE-2016-7844 being exploited?

CVE-2016-7844 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-2016-7844 affect?

CVE-2016-7844 affects gigacc office. Severity is medium (CVSS 5.5). GigaCC OFFICE ver.2.3 and earlier allows remote attackers to execute arbitrary OS commands via specially crafted mail template.

How urgent is CVE-2016-7844?

Priority 34/100. No elevated risk signals yet.

Related CVEs

CVE-2016-7845 MEDIUM 6.5 DOWNGRADE GigaCC OFFICE ver.2.3 and earlier allows remote attackers to upload arbitrary files as a user profile image, w

References

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