Curated Issues

C Good First Issues

Browse open source issues tagged with C in the issue metadata. Results stay focused on work that can become public contribution evidence.

1,722 matching issues

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c
Open
openssl 3.5.6 AES-256-CBC bad decrypt
branch: 3.5branch: 3.6branch: 4.0branch: masterhelp wantedtriaged: bug

openssl/openssl #31,246 opened May 20, 2026 · C · 30,157 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Not boot without wifi.
help wanted

SpacehuhnTech/esp8266_deauther #1,793 opened May 12, 2026 · C · 14,772 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
PKCS12 - Ability to use PRF hmacWithSHA512
help wantedissue: feature requesttriaged: feature

openssl/openssl #31,120 opened May 8, 2026 · C · 30,157 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
1 comment0 reactions0 assignees
Open
Improve Validation of Geo Binary Base
enhancementgood first issuerefined

nginx/nginx #1,321 opened May 6, 2026 · C · 30,331 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
1 comment0 reactions1 assignee