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SIPp

5 known vulnerabilities.

SIPp at a glance

Last 12 months
5
Critical · all time
0
Exploited · all time
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Public exploit · all time
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New vulnerabilities per month · last 12 months
0 3 5 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 1 vulnerability Mar April 2026: 0 vulnerabilities May 2026: 1 vulnerability June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 0 vulnerabilities September 2026: 3 vulnerabilities Sep October 2026: 0 vulnerabilities November 2026: 0 vulnerabilities
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Products

5 results · Feed

  • High 7.5

    SIPp through 3.7.7 Buffer Overflow via Oversized SIP Header Content

    SIPp through 3.7.7 contains a buffer overflow vulnerability in the get_header() function in src/sip_parser.cpp when processing SIP messages with header content exceeding 20,490 bytes. Unauthenticated remote attackers can send crafted SIP messages with oversiz…

  • High 7.5

    SIPp through 3.7.7 Stack Buffer Overflow via createAuthHeader Algorithm Parameter

    SIPp through 3.7.7 contains a stack buffer overflow vulnerability in createAuthHeader() when processing SIP authentication challenges with oversized algorithm parameters. A malicious SIP server can send a crafted 401 or 407 challenge to corrupt the stack and …

  • High 7.5

    SIPp through 3.7.7 Buffer Overflow via SIP To Header Tag

    SIPp through 3.7.7 contains a buffer overflow vulnerability in get_peer_tag() function when processing SIP To headers with tag parameters of 2049 bytes or more. Unauthenticated remote attackers can send crafted SIP messages with oversized tag parameters to ov…

  • High 8.4

    SIPp 3.6 Local Buffer Overflow via Command-line Arguments

    SIPp 3.6 and earlier contains a local buffer overflow vulnerability in command-line argument handling that allows local attackers to crash the application or execute arbitrary code. Attackers can trigger the vulnerability by supplying oversized input to the -…

  • High 8.4

    SIPP 3.3 Stack-Based Buffer Overflow via Configuration File

    SIPP 3.3 contains a stack-based buffer overflow vulnerability that allows local unauthenticated attackers to execute arbitrary code by supplying malicious input in the configuration file. Attackers can craft a configuration file with oversized values that ove…