CVE-2016-1244: The extractTree function in unADF allows remote attackers to execute arbitrary code via shell metacharacters i

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HIGH 8.8WATCHLISTDOWNGRADEMITIGATE

CVE-2016-1244 is a high-severity flaw (CVSS 8.8) affecting unadf, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The extractTree function in unADF allows remote attackers to execute arbitrary code via shell metacharacters in a directory name in an adf file.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
On your watchlist

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	6.3% (top 6%)
CISA exploited list	No
Weakness	CWE-20
Published	2016-10-03
Last modified	2026-06-17

Publisher (CNA): Debian GNU/Linux · Vendor: debian · unadf project

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

Am I affected?

Timeline

2016-10-03 18:59 UTCPublished CVE record published
2026-06-17 00:41 UTCUpdated Record last modified

unadf project unadf DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison unadf sudo apt install unadf=<VERSION_BEFORE_1.0> sudo apt-mark hold unadf

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

dnf --showduplicates list unadf sudo dnf downgrade unadf-<VERSION_BEFORE_1.0> sudo dnf versionlock add unadf

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.

debian debian linux MITIGATE

Affected: 7.0 · 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2016-1244?

unadf: downgrade or apply the listed mitigation; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-1244 being exploited?

CVE-2016-1244 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-2016-1244 affect?

CVE-2016-1244 affects unadf, debian linux. Severity is high (CVSS 8.8). The extractTree function in unADF allows remote attackers to execute arbitrary code via shell metacharacters in a directory name in an adf file.

How urgent is CVE-2016-1244?

Priority 59/100. High severity; EPSS top 6%: very likely to be exploited; On your watchlist

Software pages

Debian vulnerabilities

Related CVEs

CVE-2016-1243 CRITICAL 9.8 MITIGATE DOWNGRADE Stack-based buffer overflow in the extractTree function in unADF allows remote attackers to execute arbitrary

References

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