| パッケージ | 影響を受けるバージョン | 修正済みバージョン |
|---|---|---|
| asterisk | ≥ 14.0.0, ≤ 14.7.5≥ 15.0.0, ≤ 15.2.1≤ 13.19.1 | |
| certified asterisk | = 13.18≤ 13.18 |
A Buffer Overflow issue was discovered in Asterisk through 13.19.1, 14.x through 14.7.5, and 15.x through 15.2.1, and Certified Asterisk through 13.18-cert2. When processing a SUBSCRIBE request, the res_pjsip_pubsub module stores the accepted formats present in the Accept headers of the request. This code did not limit the number of headers it processed, despite having a fixed limit of 32. If more than 32 Accept headers were present, the code would write outside of its memory and cause a crash.
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