CVE-2017-14648: A global buffer overflow was discovered in the iteration_loop function in loop.c in BladeEnc version 0.94.2

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2017-14648 is a critical-severity flaw (CVSS 9.8) affecting bladeenc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A global buffer overflow was discovered in the iteration_loop function in loop.c in BladeEnc version 0.94.2. The vulnerability causes an out-of-bounds write, which leads to remote denial of service or possibly code execution.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Weakness	CWE-787
Published	2017-09-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: bladeenc

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

Am I affected?

Timeline

2017-09-21 17:29 UTCPublished CVE record published
2026-06-17 01:06 UTCUpdated Record last modified

bladeenc bladeenc DOWNGRADE

Affected: 0.94.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.94.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.94.2 (Debian / Ubuntu)

apt-cache madison bladeenc sudo apt install bladeenc=<VERSION_BEFORE_0.94.2> sudo apt-mark hold bladeenc

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

dnf --showduplicates list bladeenc sudo dnf downgrade bladeenc-<VERSION_BEFORE_0.94.2> sudo dnf versionlock add bladeenc

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-2017-14648?

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

Is CVE-2017-14648 being exploited?

CVE-2017-14648 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-2017-14648 affect?

CVE-2017-14648 affects bladeenc. Severity is critical (CVSS 9.8). A global buffer overflow was discovered in the iteration_loop function in loop.c in BladeEnc version 0.94.2. The vulnerability causes an out-of-bounds write, which leads to remote denial of service or possibly code execution.

How urgent is CVE-2017-14648?

Priority 62/100. Critical severity; Remotely exploitable, no login, no user action

References

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