CVE-2026-57243: During the process of page opening and form formatting, a JavaScript reentrancy results in an inconsistent doc

Q: How do I fix CVE-2026-57243?

pdf editor: upgrade to newer than 2026.1.1.36485; pdf reader: upgrade to newer than 2026.1.1.36485. Exact commands for each OS are on this page.

Q: Is CVE-2026-57243 being exploited?

CVE-2026-57243 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-57243 affect?

CVE-2026-57243 affects pdf editor, pdf reader. Severity is medium (CVSS 6.1). During the process of page opening and form formatting, a JavaScript reentrancy results in an inconsistent document status. Subsequently, with outdated page information, the application attempts to access invalid addresses, causing the appl

Q: How urgent is CVE-2026-57243?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADEUPGRADE

CVE-2026-57243 is a medium-severity flaw (CVSS 6.1) affecting pdf editor, pdf reader. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

During the process of page opening and form formatting, a JavaScript reentrancy results in an inconsistent document status. Subsequently, with outdated page information, the application attempts to access invalid addresses, causing the application to crash.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.2% (top 96%)
CISA exploited list	No
Weakness	CWE-125
Published	2026-07-08
Last modified	2026-07-09

Publisher (CNA): Foxit · Vendor: foxit

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-08 09:16 UTCPublished CVE record published
2026-07-09 14:23 UTCUpdated Record last modified

foxit pdf editor UPGRADE

Affected: <= 13.2.4.24048 · >= 14.0.0.33046 and <= 14.0.4.33508 · >= 2023.1.0.15510 and <= 2023.3.0.23028 · >= 2024.1.0.23997 and <= 2024.4.1.27687 · >= 2025.1.0.27937 and <= 2025.3.0.35737 · >= 2026.1.0.36452 and <= 2026.1.1.36485

Fixed in: newer than 2026.1.1.36485

Safe to downgrade to: a release before 14.0.0.33046

1. Check installed version

apt-cache policy pdf-editor || rpm -q pdf-editor || pdf-editor --version

2. UPGRADE to newer than 2026.1.1.36485 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade pdf-editor

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pdf-editor

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 14.0.0.33046 (Debian / Ubuntu)

apt-cache madison pdf-editor sudo apt install pdf-editor=<VERSION_BEFORE_14.0.0.33046> sudo apt-mark hold pdf-editor

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

dnf --showduplicates list pdf-editor sudo dnf downgrade pdf-editor-<VERSION_BEFORE_14.0.0.33046> sudo dnf versionlock add pdf-editor

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.

foxit pdf reader UPGRADE

Affected: <= 2026.1.1.36485

Fixed in: newer than 2026.1.1.36485

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2026.1.1.36485 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pdf-reader

Note

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

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-2026-57243?

pdf editor: upgrade to newer than 2026.1.1.36485; pdf reader: upgrade to newer than 2026.1.1.36485. Exact commands for each OS are on this page.

Is CVE-2026-57243 being exploited?

CVE-2026-57243 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-2026-57243 affect?

CVE-2026-57243 affects pdf editor, pdf reader. Severity is medium (CVSS 6.1). During the process of page opening and form formatting, a JavaScript reentrancy results in an inconsistent document status. Subsequently, with outdated page information, the application attempts to access invalid addresses, causing the appl

How urgent is CVE-2026-57243?

Priority 22/100. No elevated risk signals yet.

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References

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