CVE-2026-57164

A flaw was found in PJSIP. A heap buffer overflow vulnerability exists in the PJLIB-UTIL HTTP client when processing HTTP response bodies. A malicious or man-in-the-middle HTTP server can exploit this by sending a specially crafted response, leading to an incorrect size calculation and causing da...

CVE-2026-57161

A flaw was found in PJSIP, a multimedia communication library. When processing Service-Route headers in a registration response, the PJSUA component does not properly bound the number of headers, leading to a stack buffer overflow. A malicious or compromised registrar, or a spoofed response over...

CVE-2026-57166

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

CVE-2026-57166

CVE-2026-57166 is a pre-authentication stack buffer overflow in the PJLIB-UTIL telnet CLI front-end of PJSIP , an open-source multimedia communication library written in C. When rendering feedback for a command line, several handling paths write an attacker-influenced amount of data into fixed-si...

CVE-2026-57166 PJSIP: Pre-authentication overflow in the telnet CLI error

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a31, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when rendering feedback for an entered command line. Several command-line handling paths write an attacker-influenced amoun...

CVE-2026-57165

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57165 PJSIP: Pre-authentication overflow in the telnet CLI history

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b716, a stack buffer overflow exists in the PJLIB-UTIL telnet CLI front-end when redrawing the command line during history recall handleupdown in clitelnet.c. This affects only applications that enab...

CVE-2026-57165

PJSIP (PJLIB-UTIL) contains a stack buffer overflow in the telnet CLI front-end (handle_up_down() in cli_telnet.c), triggered when redrawing the command line during history recall. The accumulated line-redraw data can exceed a fixed-size stack buffer, potentially causing application termination ....

CVE-2026-57164 PJSIP: Heap overflow in the HTTP client

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client httpclient.c when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole...

CVE-2026-57164

PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d5956a, a heap buffer overflow exists in the PJLIB-UTIL HTTP client httpclient.c when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole...

CVE-2026-57164

CVE-2026-57164 affects PJSIP , a free and open source multimedia communication library written in C. A heap buffer overflow exists in the PJLIB-UTIL HTTP client (http_client.c) when buffering an HTTP response body. When growing the response buffer, an incorrect size calculation based on the serve...

CVE-2026-57163

PJSIP , a multimedia communication library written in C, contains a stack buffer overflow in its GnuTLS backend (tls_cert_get_info() in ssl_sock_gtls.c) triggered when parsing the Subject Alternative Name extension of a peer certificate. An incorrect buffer-size value causes an oversized entry to...

CVE-2026-57163 PJSIP: Stack overflow parsing a TLS peer certificate's SubjectAltName in GnuTLS backend

PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate tlscertgetinfo in sslsockgtls.c. Only GnuTLS builds are affect...

CVE-2026-57163 PJSIP: Stack overflow parsing a TLS peer certificate's SubjectAltName in GnuTLS backend

PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate tlscertgetinfo in sslsockgtls.c. Only GnuTLS builds are affect...

CVE-2026-57163

PJSIP is a free and open source multimedia communication library written in C. Prior to commit c4a151a, a stack buffer overflow exists in the GnuTLS TLS backend when parsing the Subject Alternative Name extension of a peer certificate tlscertgetinfo in sslsockgtls.c. Only GnuTLS builds are affect...

CVE-2026-57162

CVE-2026-57162 is a stack buffer overflow in PJSIP (an open-source C multimedia communication library), specifically in the SRTP/SDES media transport (sdes_encode_sdp() in transport_srtp_sdes.c). During SDP offer/answer negotiation, a=crypto attributes from a remote peer are collected into a fixe...

CVE-2026-57162 PJSIP: Stack overflow parsing SDP a=crypto attributes

PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer sdesencodesdp in transportsrtpsdes.c. This affects applications with...

CVE-2026-57162 PJSIP: Stack overflow parsing SDP a=crypto attributes

PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer sdesencodesdp in transportsrtpsdes.c. This affects applications with...

CVE-2026-57162

PJSIP is a free and open source multimedia communication library written in C. Prior to commit a1b707c, a stack buffer overflow exists in the SRTP/SDES media transport when processing a=crypto attributes during SDP offer/answer sdesencodesdp in transportsrtpsdes.c. This affects applications with...

CVE-2026-57161

PJSIP is a free and open source multimedia communication library written in C. Prior to commit acc03b5, a stack buffer overflow exists in PJSUA when processing Service-Route headers in a registration response updateserviceroute in pjsuaacc.c. This affects applications that register using the...