CVE-2007-1568: Stack-based buffer overflow in DaanSystems NewsReactor 20070220.21 allows remote attackers to execute arbitrar

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HIGH 10.0DOWNGRADE

CVE-2007-1568 is a high-severity flaw (CVSS 10.0) affecting newsreactor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stack-based buffer overflow in DaanSystems NewsReactor 20070220.21 allows remote attackers to execute arbitrary code via a yEnc (yEncode) encoded article with a long filename.

Why this priority

Critical severity
EPSS top 5%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	7.8% (top 5%)
CISA exploited list	No
Published	2007-03-21
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: daansystems

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-03-21 21:19 UTCPublished CVE record published
2026-06-16 22:37 UTCUpdated Record last modified

daansystems newsreactor DOWNGRADE

Affected: 2007-02-21

Fixed in: no fixed release known

Safe to downgrade to: a release before 2007-02-21

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2007-02-21 (Debian / Ubuntu)

apt-cache madison newsreactor sudo apt install newsreactor=<VERSION_BEFORE_2007-02-21> sudo apt-mark hold newsreactor

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

dnf --showduplicates list newsreactor sudo dnf downgrade newsreactor-<VERSION_BEFORE_2007-02-21> sudo dnf versionlock add newsreactor

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: NewsReactor 20070220 - Article Grabbing Remote Buffer Overflow (1)
Exploit-DB: NewsReactor 20070220 - Article Grabbing Remote Buffer Overflow (2)

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-2007-1568?

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

Is CVE-2007-1568 being exploited?

CVE-2007-1568 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-2007-1568 affect?

CVE-2007-1568 affects newsreactor. Severity is high (CVSS 10.0). Stack-based buffer overflow in DaanSystems NewsReactor 20070220.21 allows remote attackers to execute arbitrary code via a yEnc (yEncode) encoded article with a long filename.

How urgent is CVE-2007-1568?

Priority 64/100. Critical severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2002-1682 MEDIUM 5.5 DOWNGRADE NewsReactor 1.0 uses a weak encryption scheme, which could allow local users to decrypt the passwords and gain

References

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