CyberSecBulletin

SIPp vulnerabilities

We track 3 vulnerabilities in SIPp products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on September 13, 2026.

3vulnerabilities
0critical
3high
0exploited
7.5average CVSS score

Latest SIPp vulnerabilities

  • 7.5 High severity

    sipp: Buffer Copy without Checking Size of Input

    CVE-2026-90780SIPp

    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 oversize

  • 7.5 High severity

    sipp: Stack-based Buffer Overflow

    CVE-2026-90779SIPp

    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 c

  • 7.5 High severity

    sipp: Buffer Copy without Checking Size of Input

    CVE-2026-90778SIPp

    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 ove