Pjsip Pjproject vulnerabilities

CVE-2026-57164 [HIGH] CWE-122 CVE-2026-57164: PJSIP is a free and open source multimedia communication library written in C. Prior to commit 8d595 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 (http_client.c) when buffering an HTTP response body. This affects applications that use the PJLIB-UTIL HTTP client to receive a whole response body at once (a completion callback with no i

CVE-2022-23537 [CRITICAL] CWE-122 CVE-2022-23537: PJSIP is a free and open source multimedia communication library written in C language implementing PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LI

CVE-2022-23547 [CRITICAL] CWE-122 CVE-2022-23547: PJSIP is a free and open source multimedia communication library written in C language implementing PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. This issue is similar to GHSA-9pfh-r8x4-w26w. Possible buffer overread when parsing a certain STUN message. The vulnerability affects applications that uses STUN including PJNATH an

CVE-2026-40614 [HIGH] CWE-122 CVE-2026-40614: PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is a buffer overflow when decoding Opus audio frames due to insufficient buffer size validation in the Opus codec decode path. The FEC decode buffers (dec_frame[].buf) were allocated based on a PCM-derived formula: (sample_rate/1000) * 60 * channel

CVE-2026-57166 [MEDIUM] CWE-121 CVE-2026-57166: PJSIP is a free and open source multimedia communication library written in C. Prior to commit 4472a 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 amount of data into fixed-size buffers without sufficient b

CVE-2017-16872 [CRITICAL] CVE-2017-16872: An issue was discovered in Teluu pjproject (pjlib and pjlib-util) in PJSIP before 2 An issue was discovered in Teluu pjproject (pjlib and pjlib-util) in PJSIP before 2.7.1. Parsing the numeric header fields in a SIP message (like cseq, ttl, port, etc.) all had the potential to overflow, either causing unintended values to be captured or, if the values were subsequently converted back to strings, a buffer overrun. This will lead to a potential exploit usi

CVE-2026-41415 [CRITICAL] CWE-125 CVE-2026-41415: PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an out-of-bounds read when parsing a malformed Content-ID URI in SIP multipart message body. Insufficient length validation can cause reads beyond the intended buffer bounds. This vulnerability is fixed in 2.17.

CVE-2026-57165 [MEDIUM] CWE-121 CVE-2026-57165: PJSIP is a free and open source multimedia communication library written in C. Prior to commit 628b7 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 (handle_up_down() in cli_telnet.c). This affects only applications that enable the telnet CLI front-end (same gating as the

CVE-2021-43804 [HIGH] CWE-125 CVE-2021-43804: PJSIP is a free and open source multimedia communication library written in C language implementing PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In affected versions if the incoming RTCP BYE message contains a reason's length, this declared length is not checked against the actual received packet size, potentially resulting in a

CVE-2026-32942 [HIGH] CWE-416 CVE-2026-32942: PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and bel PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below contain a heap use-after-free vulnerability in the ICE session that occurs when there are race conditions between session destruction and the callbacks. This issue has been fixed in version 2.17.

CVE-2026-33069 [HIGH] CWE-125 CVE-2026-33069: PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and bel PJSIP is a free and open source multimedia communication library written in C. Versions 2.16 and below have a cascading out-of-bounds heap read in pjsip_multipart_parse(). After boundary string matching, curptr is advanced past the delimiter without verifying it has not reached the buffer end. This allows 1-2 bytes of adjacent heap memory to be read.

CVE-2026-57160 [MEDIUM] CWE-193 CVE-2026-57160: PJSIP is a free and open source multimedia communication library written in C. Prior to commit d6a0e PJSIP is a free and open source multimedia communication library written in C. Prior to commit d6a0e7f, a buffer overflow can occur in pjsip_generic_array_hdr_print() in pjsip/src/pjsip/sip_msg.c, the function that serializes generic array headers (such as Allow, Require, Supported, and Unsupported). Under certain output-buffer boundary conditions t

CVE-2022-24793 [HIGH] CWE-120 CVE-2022-24793: PJSIP is a free and open source multimedia communication library written in C. A buffer overflow vul PJSIP is a free and open source multimedia communication library written in C. A buffer overflow vulnerability in versions 2.12 and prior affects applications that use PJSIP DNS resolution. It doesn't affect PJSIP users who utilize an external resolver. This vulnerability is related to CVE-2023-27585. The difference is that this issue is in parsing th

CVE-2026-41416 [HIGH] CWE-190 CVE-2026-41416: PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, PJSIP is a free and open source multimedia communication library written in C. In 2.16 and earlier, there is an integer overflow in media stream buffer size calculation when processing SDP with asymmetric ptime configuration. The overflow may result in an undersized buffer allocation, which can lead to unexpected application termination or memory corru

CVE-2022-24764 [HIGH] CWE-120 CVE-2022-24764: PJSIP is a free and open source multimedia communication library written in C. Versions 2.12 and pri PJSIP is a free and open source multimedia communication library written in C. Versions 2.12 and prior contain a stack buffer overflow vulnerability that affects PJSUA2 users or users that call the API `pjmedia_sdp_print(), pjmedia_sdp_media_print()`. Applications that do not use PJSUA2 and do not directly call `pjmedia_sdp_print()` or `pjmedia_sdp_me

CVE-2022-24792 [HIGH] CWE-835 CVE-2022-24792: PJSIP is a free and open source multimedia communication library written in C. A denial-of-service v PJSIP is a free and open source multimedia communication library written in C. A denial-of-service vulnerability affects applications on a 32-bit systems that use PJSIP versions 2.12 and prior to play/read invalid WAV files. The vulnerability occurs when reading WAV file data chunks with length greater than 31-bit integers. The vulnerability does not

CVE-2026-29068 [HIGH] CWE-121 CVE-2026-29068: PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17 PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, there is a stack buffer overflow vulnerability when pjmedia-codec parses an RTP payload contain more frames than the caller-provided frames can hold. This issue has been patched in version 2.17.

CVE-2026-28799 [HIGH] CWE-416 CVE-2026-28799: PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17 PJSIP is a free and open source multimedia communication library written in C. Prior to version 2.17, a heap use-after-free vulnerability exists in PJSIP's event subscription framework (evsub.c) that is triggered during presence unsubscription (SUBSCRIBE with Expires=0). This issue has been patched in version 2.17.

CVE-2018-1000098 [HIGH] CVE-2018-1000098: Teluu PJSIP version 2 Teluu PJSIP version 2.7.1 and earlier contains a Integer Overflow vulnerability in pjmedia SDP parsing that can result in Crash. This attack appear to be exploitable via Sending a specially crafted message. This vulnerability appears to have been fixed in 2.7.2.

CVE-2022-24763 [HIGH] CWE-835 CVE-2022-24763: PJSIP is a free and open source multimedia communication library written in the C language. Versions PJSIP is a free and open source multimedia communication library written in the C language. Versions 2.12 and prior contain a denial-of-service vulnerability that affects PJSIP users that consume PJSIP's XML parsing in their apps. Users are advised to update. There are no known workarounds.