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Critical severity9.8NVD Advisory· Published Oct 27, 2020· Updated Jun 17, 2026

CVE-2020-27853

CVE-2020-27853

Description

Wire before 2020-10-16 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a format string. This affects Wire AVS (Audio, Video, and Signaling) 5.3 through 6.x before 6.4, the Wire Secure Messenger application before 3.49.918 for Android, and the Wire Secure Messenger application before 3.61 for iOS. This occurs via the value parameter to sdp_media_set_lattr in peerflow/sdp.c.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • Wire/Wire4 versions
    cpe:2.3:a:wire:wire:*:*:*:*:*:linux:*:*+ 3 more
    • cpe:2.3:a:wire:wire:*:*:*:*:*:linux:*:*range: <3.21.2936
    • cpe:2.3:a:wire:wire:*:*:*:*:*:macos:*:*range: <3.21.3959
    • cpe:2.3:a:wire:wire:*:*:*:*:*:windows:*:*range: <3.21.3932
    • (no CPE)range: 5.3 - 6.x before 6.4
  • Wire/Wire Audio\, Video\, And Signaling
    cpe:2.3:a:wire:wire_-_audio\,_video\,_and_signaling:*:*:*:*:*:*:*:*
    Range: >=5.3,<6.4
  • Wire/Wire Secure Messenger2 versions
    cpe:2.3:a:wire:wire_secure_messenger:*:*:*:*:*:android:*:*+ 1 more
    • cpe:2.3:a:wire:wire_secure_messenger:*:*:*:*:*:android:*:*range: <3.49.918
    • cpe:2.3:a:wire:wire_secure_messenger:*:*:*:*:*:iphone_os:*:*range: <3.61
  • Wire/AVSdescription
  • Wire/Wire Secure Messenger for Androidllm-fuzzy
    Range: before 3.49.918 (Android), before 3.61 (iOS)

Patches

Vulnerability mechanics

References

2

News mentions

0

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