CVE-2021-31436: This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio

Q: How do I fix CVE-2021-31436?

foxit studio photo: upgrade to newer than 3.6.6.933. Exact commands for each OS are on this page.

Q: Is CVE-2021-31436 being exploited?

CVE-2021-31436 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-2021-31436 affect?

CVE-2021-31436 affects foxit studio photo. Severity is high (CVSS 7.8). This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.931. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or ope

This month

HIGH 7.8UPGRADE

CVE-2021-31436 is a high-severity flaw (CVSS 7.8) affecting foxit studio photo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.931. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the handling of SGI files. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer

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	2.8% (top 14%)
CISA exploited list	No
Weakness	CWE-122, CWE-787
Published	2021-04-29
Last modified	2026-06-17

Publisher (CNA): Zero Day Initiative · Vendor: foxitsoftware

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

Am I affected?

Timeline

2021-04-29 17:15 UTCPublished CVE record published
2026-06-17 03:51 UTCUpdated Record last modified

foxitsoftware foxit studio photo UPGRADE

Affected: <= 3.6.6.933

Fixed in: newer than 3.6.6.933

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy foxit-studio-photo || rpm -q foxit-studio-photo || foxit-studio-photo --version

2. UPGRADE to newer than 3.6.6.933 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade foxit-studio-photo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade foxit-studio-photo

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-2021-31436?

foxit studio photo: upgrade to newer than 3.6.6.933. Exact commands for each OS are on this page.

Is CVE-2021-31436 being exploited?

CVE-2021-31436 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-2021-31436 affect?

CVE-2021-31436 affects foxit studio photo. Severity is high (CVSS 7.8). This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio Photo 3.6.6.931. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or ope

How urgent is CVE-2021-31436?

Priority 49/100. High severity

Related CVEs

CVE-2021-31438 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31437 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31435 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31434 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio
CVE-2021-31433 HIGH 7.8 UPGRADE This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Studio

References

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