CVE-2014-2525

CVE-2014-2525 is a medium-severity vulnerability in Pyyaml Libyaml with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.

Frequently asked questions

What is CVE-2014-2525?
Heap-based buffer overflow in the yaml_parser_scan_uri_escapes function in LibYAML before 0.1.6 allows context-dependent attackers to execute arbitrary code via a long sequence of percent-encoded characters in a URI in a YAML file.
How severe is CVE-2014-2525?
CVE-2014-2525 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2014-2525 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2525?
CVE-2014-2525 primarily affects Pyyaml Libyaml. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2525?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2525 published?
CVE-2014-2525 was published on 2014-03-28 and last updated on 2026-06-17.

References

Affected products (9)

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