CVE-2014-1236

10.0 HIGH 6% exploit odds Fix listed Memory safety

What it is

Stack-based buffer overflow in the chkNum function in lib/cgraph/scan.l in Graphviz 2.34.0 allows remote attackers to have unspecified impact via vectors related to a "badly formed number" and a "long digit list."

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 6.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2014-01-10 15:55 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:04 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 6.1% in the next 30 days (EPSS).
Severity: 10.0 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2014-01-10 15:55 UTC
Last modified: 2026-06-17 00:04 UTC
Exploit probability: 6.1% · EPSS, next 30 days
Weakness: CWE-119 · Buffer errors
Record status: Modified

Affected

Graphviz 2.34.0

Attack profile CVSS 2.0 · 10.0

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2014-1236.md and follow it. Check whether this project is affected by CVE-2014-1236. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record