OpenSSL PEM Parsing DoS via Non-Linear Input Time
CVE-2025-61723 Published on October 29, 2025
Quadratic complexity when parsing some invalid inputs in encoding/pem
The processing time for parsing some invalid inputs scales non-linearly with respect to the size of the input. This affects programs which parse untrusted PEM inputs.
Vulnerability Analysis
CVE-2025-61723 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Products Associated with CVE-2025-61723
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Affected Versions
Go standard library encoding/pem:- Before 1.24.8 is affected.
- Version 1.25.0 and below 1.25.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.