media.ccc.de and PeerTube/FramaTube main pages don't work

[Julmik647]

Checklist

• I am able to reproduce the bug with the latest version given here: CLICK THIS LINK.
• I made sure that there are no existing issues - open or closed - which I could contribute my information to.
• I have read the FAQ and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one bug.
• I have read and understood the contribution guidelines.

Affected version

0.28.0

Steps to reproduce the bug

1. Open app on Huawei p8 lite or older Samsung phone, both of them have Android 6
2. Select differrent services (YouTube, Soundcloud, media.ccc.de, PeerTube/FramaTube, Bandcamp)

Expected behavior

All services main pages should load

Actual behavior

YouTube, Soundcloud and Bandcamp main pages load fine

PeerTube/FramaTube and media.ccc.de main pages don't load

Screenshots/Screen recordings

Screenshot are from P8 lite

Logs

P8 lite, media.ccc.de:
{"user_action":"requested kiosk","request":"Start loading: https://media.ccc.de/public/conferences","content_language":"pl-PL","content_country":"PL","app_language":"pl_PL","service":"media.ccc.de","package":"org.schabi.newpipe","version":"0.28.0","os":"Linux Android 6.0 - 23","time":"2025-11-10T13:59:04.28+01:00","exceptions":["javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.\n\tat com.android.org.conscrypt.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:328)\n\tat okhttp3.internal.connection.RealConnection.connectTls(RealConnection.kt:379)\n\tat okhttp3.internal.connection.RealConnection.establishProtocol(RealConnection.kt:337)\n\tat okhttp3.internal.connection.RealConnection.connect(RealConnection.kt:209)\n\tat okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:226)\n\tat okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)\n\tat okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)\n\tat okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)\n\tat okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)\n\tat okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)\n\tat org.schabi.newpipe.DownloaderImpl.execute(DownloaderImpl.java:156)\n\tat org.schabi.newpipe.extractor.downloader.Downloader.get(Downloader.java:77)\n\tat org.schabi.newpipe.extractor.downloader.Downloader.get(Downloader.java:46)\n\tat org.schabi.newpipe.extractor.services.media_ccc.extractors.MediaCCCConferenceKiosk.onFetchPage(MediaCCCConferenceKiosk.java:55)\n\tat org.schabi.newpipe.extractor.Extractor.fetchPage(Extractor.java:60)\n\tat org.schabi.newpipe.extractor.kiosk.KioskInfo.getInfo(KioskInfo.java:53)\n\tat org.schabi.newpipe.util.ExtractorHelper.lambda$getKioskInfo$12(ExtractorHelper.java:197)\n\tat org.schabi.newpipe.util.ExtractorHelper.$r8$lambda$2ahwdH5zUG2IizC29Cvn0G0d-Ek(ExtractorHelper.java:0)\n\tat org.schabi.newpipe.util.ExtractorHelper$$ExternalSyntheticLambda6.call(R8$$SyntheticClass:0)\n\tat io.reactivex.rxjava3.internal.operators.single.SingleFromCallable.subscribeActual(SingleFromCallable.java:43)\n\tat io.reactivex.rxjava3.core.Single.subscribe(Single.java:4855)\n\tat io.reactivex.rxjava3.internal.operators.single.SingleDoOnSuccess.subscribeActual(SingleDoOnSuccess.java:35)\n\tat io.reactivex.rxjava3.core.Single.subscribe(Single.java:4855)\n\tat io.reactivex.rxjava3.internal.operators.maybe.MaybeFromSingle.subscribeActual(MaybeFromSingle.java:41)\n\tat io.reactivex.rxjava3.core.Maybe.subscribe(Maybe.java:5377)\n\tat io.reactivex.rxjava3.internal.operators.maybe.MaybeConcatArray$ConcatMaybeObserver.drain(MaybeConcatArray.java:153)\n\tat io.reactivex.rxjava3.internal.operators.maybe.MaybeConcatArray$ConcatMaybeObserver.request(MaybeConcatArray.java:78)\n\tat io.reactivex.rxjava3.internal.operators.flowable.FlowableElementAtMaybe$ElementAtSubscriber.onSubscribe(FlowableElementAtMaybe.java:66)\n\tat io.reactivex.rxjava3.internal.operators.maybe.MaybeConcatArray.subscribeActual(MaybeConcatArray.java:42)\n\tat io.reactivex.rxjava3.core.Flowable.subscribe(Flowable.java:16144)\n\tat io.reactivex.rxjava3.internal.operators.flowable.FlowableElementAtMaybe.subscribeActual(FlowableElementAtMaybe.java:36)\n\tat io.reactivex.rxjava3.core.Maybe.subscribe(Maybe.java:5377)\n\tat io.reactivex.rxjava3.internal.operators.maybe.MaybeToSingle.subscribeActual(MaybeToSingle.java:46)\n\tat io.reactivex.rxjava3.core.Single.subscribe(Single.java:4855)\n\tat io.reactivex.rxjava3.internal.operators.single.SingleSubscribeOn$SubscribeOnObserver.run(SingleSubscribeOn.java:89)\n\tat io.reactivex.rxjava3.core.Scheduler$DisposeTask.run(Scheduler.java:644)\n\tat io.reactivex.rxjava3.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:65)\n\tat io.reactivex.rxjava3.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:56)\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:237)\n\tat java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:154)\n\tat java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:269)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)\n\tat java.lang.Thread.run(Thread.java:833)\nCaused by: java.security.cert.CertificateException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.\n\tat com.android.org.conscrypt.TrustManagerImpl.checkTrusted(TrustManagerImpl.java:324)\n\tat com.android.org.conscrypt.TrustManagerImpl.checkServerTrusted(TrustManagerImpl.java:225)\n\tat com.android.org.conscrypt.Platform.checkServerTrusted(Platform.java:115)\n\tat com.android.org.conscrypt.OpenSSLSocketImpl.verifyCertificateChain(OpenSSLSocketImpl.java:556)\n\tat com.android.org.conscrypt.NativeCrypto.SSL_do_handshake(Native Method)\n\tat com.android.org.conscrypt.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:324)\n\t... 51 more\nCaused by: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.\n\t... 57 more\n"],"user_comment":""}

P8 lite, PeerTube/FramaTube:
{"user_action":"requested kiosk","request":"Start loading: https://framatube.org/api/v1/videos?sort=-trending","content_language":"pl-PL","content_country":"PL","app_language":"pl_PL","service":"PeerTube","package":"org.schabi.newpipe","version":"0.28.0","os":"Linux Android 6.0 - 23","time":"2025-11-10T14:00:19.36+01:00","exceptions":["javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.\n\tat com.android.org.conscrypt.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:328)\n\tat okhttp3.internal.connection.RealConnection.connectTls(RealConnection.kt:379)\n\tat okhttp3.internal.connection.RealConnection.establishProtocol(RealConnection.kt:337)\n\tat okhttp3.internal.connection.RealConnection.connect(RealConnection.kt:209)\n\tat okhttp3.internal.connection.ExchangeFinder.findConnection(ExchangeFinder.kt:226)\n\tat okhttp3.internal.connection.ExchangeFinder.findHealthyConnection(ExchangeFinder.kt:106)\n\tat okhttp3.internal.connection.ExchangeFinder.find(ExchangeFinder.kt:74)\n\tat okhttp3.internal.connection.RealCall.initExchange$okhttp(RealCall.kt:255)\n\tat okhttp3.internal.connection.ConnectInterceptor.intercept(ConnectInterceptor.kt:32)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.cache.CacheInterceptor.intercept(CacheInterceptor.kt:95)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.http.BridgeInterceptor.intercept(BridgeInterceptor.kt:83)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.http.RetryAndFollowUpInterceptor.intercept(RetryAndFollowUpInterceptor.kt:76)\n\tat okhttp3.internal.http.RealInterceptorChain.proceed(RealInterceptorChain.kt:109)\n\tat okhttp3.internal.connection.RealCall.getResponseWithInterceptorChain$okhttp(RealCall.kt:201)\n\tat okhttp3.internal.connection.RealCall.execute(RealCall.kt:154)\n\tat org.schabi.newpipe.DownloaderImpl.execute(DownloaderImpl.java:156)\n\tat org.schabi.newpipe.extractor.downloader.Downloader.get(Downloader.java:77)\n\tat org.schabi.newpipe.extractor.downloader.Downloader.get(Downloader.java:32)\n\tat org.schabi.newpipe.extractor.services.peertube.extractors.PeertubeTrendingExtractor.getPage(PeertubeTrendingExtractor.java:56)\n\tat org.schabi.newpipe.extractor.services.peertube.extractors.PeertubeTrendingExtractor.getInitialPage(PeertubeTrendingExtractor.java:45)\n\tat org.schabi.newpipe.extractor.utils.ExtractorHelper.getItemsPageOrLogError(ExtractorHelper.java:21)\n\tat org.schabi.newpipe.extractor.kiosk.KioskInfo.getInfo(KioskInfo.java:69)\n\tat org.schabi.newpipe.extractor.kiosk.KioskInfo.getInfo(KioskInfo.java:54)\n\tat org.schabi.newpipe.util.ExtractorHelper.lambda$getKioskInfo$12(ExtractorHelper.java:197)\n\tat org.schabi.newpipe.util.ExtractorHelper.$r8$lambda$2ahwdH5zUG2IizC29Cvn0G0d-Ek(ExtractorHelper.java:0)\n\tat org.schabi.newpipe.util.ExtractorHelper$$ExternalSyntheticLambda6.call(R8$$SyntheticClass:0)\n\tat io.reactivex.rxjava3.internal.operators.single.SingleFromCallable.subscribeActual(SingleFromCallable.java:43)\n\tat io.reactivex.rxjava3.core.Single.subscribe(Single.java:4855)\n\tat io.reactivex.rxjava3.internal.operators.single.SingleDoOnSuccess.subscribeActual(SingleDoOnSuccess.java:35)\n\tat io.reactivex.rxjava3.core.Single.subscribe(Single.java:4855)\n\tat io.reactivex.rxjava3.internal.operators.single.SingleSubscribeOn$SubscribeOnObserver.run(SingleSubscribeOn.java:89)\n\tat io.reactivex.rxjava3.core.Scheduler$DisposeTask.run(Scheduler.java:644)\n\tat io.reactivex.rxjava3.internal.schedulers.ScheduledRunnable.run(ScheduledRunnable.java:65)\n\tat io.reactivex.rxjava3.internal.schedulers.ScheduledRunnable.call(ScheduledRunnable.java:56)\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:237)\n\tat java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:154)\n\tat java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:269)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)\n\tat java.lang.Thread.run(Thread.java:833)\nCaused by: java.security.cert.CertificateException: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.\n\tat com.android.org.conscrypt.TrustManagerImpl.checkTrusted(TrustManagerImpl.java:324)\n\tat com.android.org.conscrypt.TrustManagerImpl.checkServerTrusted(TrustManagerImpl.java:225)\n\tat com.android.org.conscrypt.Platform.checkServerTrusted(Platform.java:115)\n\tat com.android.org.conscrypt.OpenSSLSocketImpl.verifyCertificateChain(OpenSSLSocketImpl.java:556)\n\tat com.android.org.conscrypt.NativeCrypto.SSL_do_handshake(Native Method)\n\tat com.android.org.conscrypt.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:324)\n\t... 42 more\nCaused by: java.security.cert.CertPathValidatorException: Trust anchor for certification path not found.\n\t... 48 more\n"],"user_comment":""}

Affected Android/Custom ROM version

Android 6.0 Marshmallow

Affected device model

Huawei P8 lite, Samsung Galaxy A5

Additional information

All main pages load fine on newer devices

Is it still an issue? Only mentioned devices are affected?

I tested 0.28.0 and 0.28.1-rc and I can't reproduce it on Xiaomi Redmi 8 (LineageOS 23; Android 16) and waydroid (LineageOS 20; Android 13)

[Julmik647]

Is it still an issue? Only mentioned devices are affected?

I tested 0.28.0 and 0.28.1-rc and I can't reproduce it on Xiaomi Redmi 8 (LineageOS 23; Android 16) and waydroid (LineageOS 20; Android 13)

I don't know what devices are affectes, those two are affected, but are other devices that I tested it on aren't.

[Julmik647]

I would later test it on as many devices as I can.

[Julmik647]

On Vivo y33s (Android 13) main pages od those services load normally.