CVE-2024-9996: A maliciously crafted DWG file, when parsed in acdb25.dll through Autodesk AutoCAD, may force an Out-of-Bounds

Routine

HIGH 7.8UPGRADEUPGRADEUPGRADE

CVE-2024-9996 is a high-severity flaw (CVSS 7.8) affecting autocad, autocad advance steel, autocad architecture. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A maliciously crafted DWG file, when parsed in acdb25.dll through Autodesk AutoCAD, may force an Out-of-Bounds Write vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitrary code in the context of the current process.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 89%)
CISA exploited list	No
Weakness	CWE-787
Published	2024-10-29
Last modified	2026-06-17

Publisher (CNA): Autodesk · Vendor: autodesk

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

Am I affected?

Timeline

2024-10-29 22:15 UTCPublished CVE record published
2026-06-17 08:25 UTCUpdated Record last modified

autodesk autocad UPGRADE

Affected: >= 2025 and < 2025.1.1

Fixed in: 2025.1.1

Safe to downgrade to: a release before 2025

1. Check installed version

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

2. UPGRADE to 2025.1.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad

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 2025 (Debian / Ubuntu)

apt-cache madison autocad sudo apt install autocad=<VERSION_BEFORE_2025> sudo apt-mark hold autocad

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

dnf --showduplicates list autocad sudo dnf downgrade autocad-<VERSION_BEFORE_2025> sudo dnf versionlock add autocad

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.

autodesk autocad advance steel UPGRADE

Affected: >= 2025 and < 2025.1.1

Fixed in: 2025.1.1

Safe to downgrade to: a release before 2025

1. Check installed version

apt-cache policy autocad-advance-steel || rpm -q autocad-advance-steel || autocad-advance-steel --version

2. UPGRADE to 2025.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-advance-steel

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-advance-steel

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 2025 (Debian / Ubuntu)

apt-cache madison autocad-advance-steel sudo apt install autocad-advance-steel=<VERSION_BEFORE_2025> sudo apt-mark hold autocad-advance-steel

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

dnf --showduplicates list autocad-advance-steel sudo dnf downgrade autocad-advance-steel-<VERSION_BEFORE_2025> sudo dnf versionlock add autocad-advance-steel

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.

autodesk autocad architecture UPGRADE

Affected: >= 2025 and < 2025.1.1

Fixed in: 2025.1.1

Safe to downgrade to: a release before 2025

1. Check installed version

apt-cache policy autocad-architecture || rpm -q autocad-architecture || autocad-architecture --version

2. UPGRADE to 2025.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-architecture

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-architecture

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 2025 (Debian / Ubuntu)

apt-cache madison autocad-architecture sudo apt install autocad-architecture=<VERSION_BEFORE_2025> sudo apt-mark hold autocad-architecture

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

dnf --showduplicates list autocad-architecture sudo dnf downgrade autocad-architecture-<VERSION_BEFORE_2025> sudo dnf versionlock add autocad-architecture

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.

autodesk autocad civil 3d UPGRADE

Affected: >= 2025 and < 2025.1.1

Fixed in: 2025.1.1

Safe to downgrade to: a release before 2025

1. Check installed version

apt-cache policy autocad-civil-3d || rpm -q autocad-civil-3d || autocad-civil-3d --version

2. UPGRADE to 2025.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-civil-3d

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-civil-3d

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 2025 (Debian / Ubuntu)

apt-cache madison autocad-civil-3d sudo apt install autocad-civil-3d=<VERSION_BEFORE_2025> sudo apt-mark hold autocad-civil-3d

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

dnf --showduplicates list autocad-civil-3d sudo dnf downgrade autocad-civil-3d-<VERSION_BEFORE_2025> sudo dnf versionlock add autocad-civil-3d

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.

autodesk autocad electrical UPGRADE

Affected: >= 2025 and < 2025.1.1

Fixed in: 2025.1.1

Safe to downgrade to: a release before 2025

1. Check installed version

apt-cache policy autocad-electrical || rpm -q autocad-electrical || autocad-electrical --version

2. UPGRADE to 2025.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-electrical

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-electrical

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 2025 (Debian / Ubuntu)

apt-cache madison autocad-electrical sudo apt install autocad-electrical=<VERSION_BEFORE_2025> sudo apt-mark hold autocad-electrical

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

dnf --showduplicates list autocad-electrical sudo dnf downgrade autocad-electrical-<VERSION_BEFORE_2025> sudo dnf versionlock add autocad-electrical

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.

autodesk autocad lt UPGRADE

Affected: >= 2025 and < 2025.1.1

Fixed in: 2025.1.1

Safe to downgrade to: a release before 2025

1. Check installed version

apt-cache policy autocad-lt || rpm -q autocad-lt || autocad-lt --version

2. UPGRADE to 2025.1.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade autocad-lt

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade autocad-lt

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 2025 (Debian / Ubuntu)

apt-cache madison autocad-lt sudo apt install autocad-lt=<VERSION_BEFORE_2025> sudo apt-mark hold autocad-lt

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

dnf --showduplicates list autocad-lt sudo dnf downgrade autocad-lt-<VERSION_BEFORE_2025> sudo dnf versionlock add autocad-lt

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-2024-9996?

autocad: upgrade to 2025.1.1; autocad advance steel: upgrade to 2025.1.1; autocad architecture: upgrade to 2025.1.1. Exact commands for each OS are on this page.

Is CVE-2024-9996 being exploited?

CVE-2024-9996 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-2024-9996 affect?

CVE-2024-9996 affects autocad, autocad advance steel, autocad architecture. Severity is high (CVSS 7.8). A maliciously crafted DWG file, when parsed in acdb25.dll through Autodesk AutoCAD, may force an Out-of-Bounds Write vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitr

How urgent is CVE-2024-9996?

Priority 30/100. High severity

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References

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