CVE-2025-69624: Nitro PDF Pro before 14.43 for Windows contains a NULL pointer dereference vulnerability in the JavaScript imp

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HIGH 7.5REMOTEDOWNGRADE

CVE-2025-69624 is a high-severity flaw (CVSS 7.5) affecting nitro pdf pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Nitro PDF Pro before 14.43 for Windows contains a NULL pointer dereference vulnerability in the JavaScript implementation of app.alert(). When app.alert() is called with more than one argument and the first argument evaluates to null (for example, app.alert(app.activeDocs, true) when app.activeDocs is null), the engine routes the call through a fallback path intended for non-string arguments. In this path, js_ValueToString() is invoked on the nul

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 63%)
CISA exploited list	No
Weakness	CWE-476
Published	2026-04-13
Last modified	2026-10-15

Publisher (CNA): MITRE · Vendor: gonitro

Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-13 16:16 UTCPublished CVE record published
2026-10-15 12:10 UTCUpdated Record last modified

gonitro nitro pdf pro DOWNGRADE

Affected: 14.41.1.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.41.1.4

1. Check installed version

apt-cache policy nitro-pdf-pro || rpm -q nitro-pdf-pro || nitro-pdf-pro --version

2. No fixed release: DOWNGRADE to a release before 14.41.1.4 (Debian / Ubuntu)

apt-cache madison nitro-pdf-pro sudo apt install nitro-pdf-pro=<VERSION_BEFORE_14.41.1.4> sudo apt-mark hold nitro-pdf-pro

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

dnf --showduplicates list nitro-pdf-pro sudo dnf downgrade nitro-pdf-pro-<VERSION_BEFORE_14.41.1.4> sudo dnf versionlock add nitro-pdf-pro

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-2025-69624?

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

Is CVE-2025-69624 being exploited?

CVE-2025-69624 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-2025-69624 affect?

CVE-2025-69624 affects nitro pdf pro. Severity is high (CVSS 7.5). Nitro PDF Pro before 14.43 for Windows contains a NULL pointer dereference vulnerability in the JavaScript implementation of app.alert(). When app.alert() is called with more than one argument and the first argument evaluates to null (for e

How urgent is CVE-2025-69624?

Priority 40/100. High severity; Remotely exploitable, no login, no user action

Software pages

Windows vulnerabilities

Related CVEs

CVE-2025-66769 HIGH 7.5 DOWNGRADE A NULL pointer dereference in Nitro PDF Pro for Windows v14.41.1.4 allows attackers to cause a Denial of Servi
CVE-2025-69627 HIGH 8.4 DOWNGRADE Nitro PDF Pro for Windows 14.41.1.4 contains a heap use-after-free vulnerability in the implementation of the

References

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