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CVE-2019-17192

31
FAUCET Score

CVE-2019-17192 describes a critical vulnerability in the WebRTC component of Signal Private Messenger for Android (versions through 4.47.7). It allows remote attackers to cause a denial of service or other unspecified impacts by sending malformed RTP packets during videoconferencing, even before a call is answered. This vulnerability carries a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and high potential for impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.47.7CPE matchmatch criteria
cpe:2.3:a:signal:private_messenger:*:*:*:*:*:android:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.73%
Probability of exploitation in next 30 days
EPSS Percentile
84.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0273 is in the 75th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

bugs.chromium.org / p/project-zero/issues/detail
Third Party Advisory
news.ycombinator.com / item
Third Party Advisory
twitter.com / moxie/status/1180226374851710976
Third Party Advisory