CVE-2014-6262: Multiple format string vulnerabilities in the python module in RRDtool, as used in Zenoss Core before 4.2.5 an

Q: How do I fix CVE-2014-6262?

zenoss core: upgrade to 4.2.5; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2014-6262 being exploited?

CVE-2014-6262 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-2014-6262 affect?

CVE-2014-6262 affects zenoss core, debian linux. Severity is high (CVSS 7.5). Multiple format string vulnerabilities in the python module in RRDtool, as used in Zenoss Core before 4.2.5 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted

Q: How urgent is CVE-2014-6262?

Priority 60/100. High severity; EPSS top 6%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist

This week

HIGH 7.5REMOTEWATCHLISTUPGRADEMITIGATE

CVE-2014-6262 is a high-severity flaw (CVSS 7.5) affecting zenoss core, debian linux. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple format string vulnerabilities in the python module in RRDtool, as used in Zenoss Core before 4.2.5 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted third argument to the rrdtool.graph function, aka ZEN-15415, a related issue to CVE-2013-2131.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Remotely exploitable, no login, no user action
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	7.2% (top 6%)
CISA exploited list	No
Weakness	CWE-134
Published	2020-02-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: debian · zenoss

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

Am I affected?

Timeline

2020-02-12 02:15 UTCPublished CVE record published
2026-06-17 00:12 UTCUpdated Record last modified

zenoss zenoss core UPGRADE

Affected: < 4.2.5

Fixed in: 4.2.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy zenoss-core || rpm -q zenoss-core || zenoss-core --version

2. UPGRADE to 4.2.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade zenoss-core

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade zenoss-core

Note

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

debian debian linux MITIGATE

Affected: 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2014-6262?

zenoss core: upgrade to 4.2.5; debian linux: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-6262 being exploited?

CVE-2014-6262 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-2014-6262 affect?

CVE-2014-6262 affects zenoss core, debian linux. Severity is high (CVSS 7.5). Multiple format string vulnerabilities in the python module in RRDtool, as used in Zenoss Core before 4.2.5 and other products, allow remote attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted

How urgent is CVE-2014-6262?

Priority 60/100. High severity; EPSS top 6%: very likely to be exploited; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Python vulnerabilities · Debian vulnerabilities

References

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