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Vendor

signal vulnerabilities

12 published CVES affecting signal, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
12
Critical
0
High
4
Medium
7
Low
1
Unscored
0
CISA KEV
0
Atom feed of signal alerts

Products

Latest signal CVEs

Newest publication first

  1. HighCVSS 7.5 EPSS 2.5%

    The Signal app before 5.34 for iOS allows URI spoofing via RTLO injection. It incorrectly renders RTLO encoded URLs beginning with a non-breaking space, when there is a hash character in the URL. This technique allows a remote unauthenticated attacker to send legitimate looking l...

  2. MediumCVSS 5.3 EPSS 1.1%

    Signal Private Messenger Android v4.59.0 and up and iOS v3.8.1.5 and up allows a remote non-contact to ring a victim's Signal phone and disclose currently used DNS server due to ICE Candidate handling before call is answered or declined.

  3. HighCVSS 7.5 EPSS 1.8%

    The Signal Private Messenger application before 4.47.7 for Android allows a caller to force a call to be answered, without callee user interaction, via a connect message. The existence of the call is noticeable to the callee; however, the audio channel may be open before the call...

  4. MediumCVSS 6.5 EPSS 1.8%

    Open Whisper Signal (aka Signal-Desktop) through 1.23.1 and the Signal Private Messenger application through 4.35.3 for Android are vulnerable to an IDN homograph attack when displaying messages containing URLs. This occurs because the application produces a clickable link even i...

  5. MediumCVSS 4.7 EPSS 0.53%

    Signal Messenger for Android 4.24.8 may expose private information when using "disappearing messages." If a user uses the photo feature available in the "attach file" menu, then Signal will leave the picture in its own cache directory, which is available to any application on the...

  6. HighCVSS 8.6 EPSS 1.1%

    The image rendering component (createGenericPreview) of the Open Whisper Signal app through 2.29.0 for iOS fails to check for unreasonably large images before manipulating received images. This allows for a large image sent to a user to exhaust all available memory when the image...

  7. MediumCVSS 6.1 EPSS 1.4%

    Open Whisper Signal (aka Signal-Desktop) through 1.10.1 allows XSS via a resource location specified in an attribute of a SCRIPT, IFRAME, or IMG element, leading to JavaScript execution after a reply, a different vulnerability than CVE-2018-10994. The attacker needs to send HTML...

  8. MediumCVSS 6.8 EPSS 0.42%

    The Open Whisper Signal app before 2.23.2 for iOS allows physically proximate attackers to bypass the screen locker feature via certain rapid sequences of actions that include app opening, clicking on cancel, and using the home button.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.