CVE-2014-5764: The Antivirus Free (aka com.zrgiu.antivirus) application 7.2.16.02 for Android does not verify X.509 certifica

Routine

MEDIUM 5.4DOWNGRADE

CVE-2014-5764 is a medium-severity flaw (CVSS 5.4) affecting antivirus free. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Antivirus Free (aka com.zrgiu.antivirus) application 7.2.16.02 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.4 (Medium)
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-310
Published	2014-09-09
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: nq

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

Am I affected?

Timeline

2014-09-09 10:55 UTCPublished CVE record published
2026-06-17 00:12 UTCUpdated Record last modified

nq antivirus free DOWNGRADE

Affected: 7.2.16.02

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.2.16.02

1. Check installed version

apt-cache policy antivirus-free || rpm -q antivirus-free || antivirus-free --version

2. No fixed release: DOWNGRADE to a release before 7.2.16.02 (Debian / Ubuntu)

apt-cache madison antivirus-free sudo apt install antivirus-free=<VERSION_BEFORE_7.2.16.02> sudo apt-mark hold antivirus-free

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

dnf --showduplicates list antivirus-free sudo dnf downgrade antivirus-free-<VERSION_BEFORE_7.2.16.02> sudo dnf versionlock add antivirus-free

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-2014-5764?

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

Is CVE-2014-5764 being exploited?

CVE-2014-5764 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-2014-5764 affect?

CVE-2014-5764 affects antivirus free. Severity is medium (CVSS 5.4). The Antivirus Free (aka com.zrgiu.antivirus) application 7.2.16.02 for Android does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted cer

How urgent is CVE-2014-5764?

Priority 26/100. No elevated risk signals yet.

Software pages

Android vulnerabilities

References

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