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CVE-2025-43736: A Denial Of Service via File Upload (DOS) vulnerability in the Liferay Portal 7.4.3.0 through 7.4.3.132, and L

20
Routine
MEDIUM 4.3UPGRADEUPGRADE

CVE-2025-43736 is a medium-severity flaw (CVSS 4.3) affecting digital experience platform, liferay portal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Denial Of Service via File Upload (DOS) vulnerability in the Liferay Portal 7.4.3.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.8, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2024.Q1.1 through 2024.Q1.16 and 7.4 GA through update 92 allows a user to upload more than 300kb profile picture into the user profile. This size more than the noted max 300kb size. This extra amount of data ca

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.3% (top 79%)
CISA exploited listNo
WeaknessCWE-770
Published2025-08-12
Last modified2026-06-17
Publisher (CNA): Liferay Inc. · Vendor: liferay

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

Am I affected?

Timeline

liferay digital experience platform UPGRADE
Affected: >= 2024.q1.1 and <= 2024.q1.16 · >= 2024.Q2.1 and <= 2024.Q2.13 · >= 2024.q3.1 and <= 2024.q3.13 · >= 2024.q4.0 and <= 2024.q4.7 · >= 2025.q1.0 and <= 2025.q1.8 · 7.4
Fixed in: newer than 2025.q1.8
Safe to downgrade to: a release before 7.4
1. Check installed version
apt-cache policy digital-experience-platform || rpm -q digital-experience-platform || digital-experience-platform --version
2. UPGRADE to newer than 2025.q1.8 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade digital-experience-platform
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade digital-experience-platform
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 7.4 (Debian / Ubuntu)
apt-cache madison digital-experience-platform sudo apt install digital-experience-platform=<VERSION_BEFORE_7.4> sudo apt-mark hold digital-experience-platform
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list digital-experience-platform sudo dnf downgrade digital-experience-platform-<VERSION_BEFORE_7.4> sudo dnf versionlock add digital-experience-platform
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.
liferay liferay portal UPGRADE
Affected: >= 7.4.3.0 and <= 7.4.3.132
Fixed in: newer than 7.4.3.132
Safe to downgrade to: a release before 7.4.3.0
1. Check installed version
apt-cache policy liferay-portal || rpm -q liferay-portal || liferay-portal --version
2. UPGRADE to newer than 7.4.3.132 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade liferay-portal
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade liferay-portal
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 7.4.3.0 (Debian / Ubuntu)
apt-cache madison liferay-portal sudo apt install liferay-portal=<VERSION_BEFORE_7.4.3.0> sudo apt-mark hold liferay-portal
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list liferay-portal sudo dnf downgrade liferay-portal-<VERSION_BEFORE_7.4.3.0> sudo dnf versionlock add liferay-portal
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-2025-43736?

digital experience platform: upgrade to newer than 2025.q1.8; liferay portal: upgrade to newer than 7.4.3.132. Exact commands for each OS are on this page.

Is CVE-2025-43736 being exploited?

CVE-2025-43736 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-2025-43736 affect?

CVE-2025-43736 affects digital experience platform, liferay portal. Severity is medium (CVSS 4.3). A Denial Of Service via File Upload (DOS) vulnerability in the Liferay Portal 7.4.3.0 through 7.4.3.132, and Liferay DXP 2025.Q1.0 through 2025.Q1.8, 2024.Q4.0 through 2024.Q4.7, 2024.Q3.0 through 2024.Q3.13, 2024.Q2.0 through 2024.Q2.13, 2

How urgent is CVE-2025-43736?

Priority 20/100. No elevated risk signals yet.

Software pages

Liferay vulnerabilities

Related CVEs

References

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