CVE-2017-3124: Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 1

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CRITICAL 9.8REMOTEUPGRADEUPGRADEUPGRADE

CVE-2017-3124 is a critical-severity flaw (CVSS 9.8) affecting acrobat, acrobat dc, acrobat reader dc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the picture exchange (PCX) file format parsing module. Successful exploitation could lead to arbitrary code execution.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
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	8.3% (top 5%)
CISA exploited list	No
Weakness	CWE-119
Published	2017-08-11
Last modified	2026-06-17

Publisher (CNA): Adobe Systems Incorporated · Vendor: adobe

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

Am I affected?

Timeline

2017-08-11 19:29 UTCPublished CVE record published
2026-06-17 01:17 UTCUpdated Record last modified

adobe acrobat UPGRADE

Affected: >= 11.0.0 and < 11.0.21

Fixed in: 11.0.21

Safe to downgrade to: a release before 11.0.0

1. Check installed version

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

2. UPGRADE to 11.0.21 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade acrobat

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 11.0.0 (Debian / Ubuntu)

apt-cache madison acrobat sudo apt install acrobat=<VERSION_BEFORE_11.0.0> sudo apt-mark hold acrobat

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list acrobat sudo dnf downgrade acrobat-<VERSION_BEFORE_11.0.0> sudo dnf versionlock add acrobat

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.

adobe acrobat dc UPGRADE

Affected: >= 15.000.0000 and < 15.006.30355 · >= 17.000.0000 and <= 17.011.30066 · >= 17.000.0000 and < 17.012.20098

Fixed in: 15.006.30355, 17.012.20098

Safe to downgrade to: a release before 15.000.0000

1. Check installed version

apt-cache policy acrobat-dc || rpm -q acrobat-dc || acrobat-dc --version

2. UPGRADE to 15.006.30355 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade acrobat-dc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade acrobat-dc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 15.000.0000 (Debian / Ubuntu)

apt-cache madison acrobat-dc sudo apt install acrobat-dc=<VERSION_BEFORE_15.000.0000> sudo apt-mark hold acrobat-dc

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list acrobat-dc sudo dnf downgrade acrobat-dc-<VERSION_BEFORE_15.000.0000> sudo dnf versionlock add acrobat-dc

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.

adobe acrobat reader dc UPGRADE

Affected: >= 15.000.0000 and < 15.006.30355 · >= 17.000.0000 and < 17.011.30066 · >= 17.000.0000 and < 17.012.20098

Fixed in: 15.006.30355, 17.011.30066, 17.012.20098

Safe to downgrade to: a release before 15.000.0000

1. Check installed version

apt-cache policy acrobat-reader-dc || rpm -q acrobat-reader-dc || acrobat-reader-dc --version

2. UPGRADE to 15.006.30355 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade acrobat-reader-dc

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade acrobat-reader-dc

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 15.000.0000 (Debian / Ubuntu)

apt-cache madison acrobat-reader-dc sudo apt install acrobat-reader-dc=<VERSION_BEFORE_15.000.0000> sudo apt-mark hold acrobat-reader-dc

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list acrobat-reader-dc sudo dnf downgrade acrobat-reader-dc-<VERSION_BEFORE_15.000.0000> sudo dnf versionlock add acrobat-reader-dc

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.

adobe reader UPGRADE

Affected: >= 11.0.0 and < 11.0.21

Fixed in: 11.0.21

Safe to downgrade to: a release before 11.0.0

1. Check installed version

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

2. UPGRADE to 11.0.21 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade reader

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 11.0.0 (Debian / Ubuntu)

apt-cache madison reader sudo apt install reader=<VERSION_BEFORE_11.0.0> sudo apt-mark hold reader

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list reader sudo dnf downgrade reader-<VERSION_BEFORE_11.0.0> sudo dnf versionlock add reader

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-2017-3124?

acrobat: upgrade to 11.0.21; acrobat dc: upgrade to 15.006.30355, 17.012.20098; acrobat reader dc: upgrade to 15.006.30355, 17.011.30066, 17.012.20098. Exact commands for each OS are on this page.

Is CVE-2017-3124 being exploited?

CVE-2017-3124 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-2017-3124 affect?

CVE-2017-3124 affects acrobat, acrobat dc, acrobat reader dc. Severity is critical (CVSS 9.8). Adobe Acrobat Reader 2017.009.20058 and earlier, 2017.008.30051 and earlier, 2015.006.30306 and earlier, and 11.0.20 and earlier has an exploitable memory corruption vulnerability in the picture exchange (PCX) file format parsing module. Su

How urgent is CVE-2017-3124?

Priority 63/100. Critical severity; EPSS top 5%: very likely to be exploited; Remotely exploitable, no login, no user action

Software pages

Adobe Acrobat vulnerabilities · Adobe Reader vulnerabilities

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References

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