CVE-2020-23680: An issue was discovered in function StartPage in text2pdf.c in pdfcorner text2pdf 1.1, allows attackers to cau

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HIGH 7.8DOWNGRADE

CVE-2020-23680 is a high-severity flaw (CVSS 7.8) affecting text2pdf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in function StartPage in text2pdf.c in pdfcorner text2pdf 1.1, allows attackers to cause denial of service or possibly other undisclosed impacts.

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 49%)
CISA exploited list	No
Published	2021-11-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: text2pdf project

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

Am I affected?

Timeline

2021-11-03 17:15 UTCPublished CVE record published
2026-06-17 03:04 UTCUpdated Record last modified

text2pdf project text2pdf DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy text2pdf || rpm -q text2pdf || text2pdf --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison text2pdf sudo apt install text2pdf=<VERSION_BEFORE_1.1> sudo apt-mark hold text2pdf

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

dnf --showduplicates list text2pdf sudo dnf downgrade text2pdf-<VERSION_BEFORE_1.1> sudo dnf versionlock add text2pdf

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-2020-23680?

text2pdf: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-23680 being exploited?

CVE-2020-23680 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-2020-23680 affect?

CVE-2020-23680 affects text2pdf. Severity is high (CVSS 7.8). An issue was discovered in function StartPage in text2pdf.c in pdfcorner text2pdf 1.1, allows attackers to cause denial of service or possibly other undisclosed impacts.

How urgent is CVE-2020-23680?

Priority 40/100. High severity

References

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