CVE-2020-28969: Aplioxio PDF ShapingUp 5.0.0.139 contains a buffer overflow which allows attackers to cause a denial of servic

This month

HIGH 7.8DOWNGRADE

CVE-2020-28969 is a high-severity flaw (CVSS 7.8) affecting pdf shapingup. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Aplioxio PDF ShapingUp 5.0.0.139 contains a buffer overflow which allows attackers to cause a denial of service (DoS) via a crafted PDF file.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-120
Published	2021-10-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: aplixio

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

Am I affected?

Timeline

2021-10-22 20:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

aplixio pdf shapingup DOWNGRADE

Affected: 5.0.0.139

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.0.0.139

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.0.0.139 (Debian / Ubuntu)

apt-cache madison pdf-shapingup sudo apt install pdf-shapingup=<VERSION_BEFORE_5.0.0.139> sudo apt-mark hold pdf-shapingup

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

dnf --showduplicates list pdf-shapingup sudo dnf downgrade pdf-shapingup-<VERSION_BEFORE_5.0.0.139> sudo dnf versionlock add pdf-shapingup

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-2020-28969?

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

Is CVE-2020-28969 being exploited?

CVE-2020-28969 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-2020-28969 affect?

CVE-2020-28969 affects pdf shapingup. Severity is high (CVSS 7.8). Aplioxio PDF ShapingUp 5.0.0.139 contains a buffer overflow which allows attackers to cause a denial of service (DoS) via a crafted PDF file.

How urgent is CVE-2020-28969?

Priority 40/100. High severity

References

← Back to latest CVEs