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Quadratic complexity when parsing some invalid inputs in encoding/pem

Exact source revision recorded 24 Oct 2026 13:19:41 UTC. It does not establish the source's current position. Latest evidence.

osv · GO-2025-4009

Published

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.

Source published
29 Oct 2025 21:49:55 UTC
Source modified
15 May 2026 10:59:24 UTC
Observed here
24 Oct 2026 13:19:41 UTC
Source terms
OSV · upstream source license applies

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Sources read 11 Nov 12:06 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current