High severity7.8NVD Advisory· Published Aug 10, 2023· Updated Jun 17, 2026
CVE-2023-39957
CVE-2023-39957
Description
Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into writing files outside of its intended cache directory. Nextcloud Talk Android version 17.0.0 has a patch for this issue. No known workarounds are available.
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Affected products
2- Range: <17.0.0
- nextcloud/security-advisoriesv5Range: < 17.0.0
Patches
Vulnerability mechanics
References
3- github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfjnvdPatchVendor Advisory
- github.com/nextcloud/talk-android/pull/3064nvdPatch
- hackerone.com/reports/1997029nvdIssue TrackingThird Party Advisory
News mentions
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