CVE-2026-29068— PJSIP: Stack buffer overflow in Opus codec parser
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I. Basic Information for CVE-2026-29068
Vulnerability Information
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Vulnerability Title
PJSIP: Stack buffer overflow in Opus codec parser
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
PJSIP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PJSIP是pjsip开源的一个免费和开源的多媒体通信库，用C语言编写，实现基于标准的协议，如SIP, SDP, RTP, STUN, TURN，和ICE。 PJSIP 2.17之前版本存在安全漏洞，该漏洞源于解析RTP载荷时存在栈缓冲区溢出，可能导致执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-29068
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- Merge commit from fork · pjsip/pjproject@6c90245 · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-29068
IV. Related Vulnerabilities
Same product: pjproject
- CVE-2026-42225
GnuTLS backend silently skips certificate chain verification - CVE-2026-41416
PJSIP: Asymmetric ptime integer overflow in Media Stream - CVE-2026-41415
PJSIP: SIP Multipart CID URI Length Underflow - CVE-2026-40892
PJSIP: Stack buffer overflow in pjsip_auth_create_digest2() - CVE-2026-40614
PJSIP: Heap buffer overflow in Opus codec decoding
Same vendor: pjsip
- CVE-2026-42225
GnuTLS backend silently skips certificate chain verification - CVE-2026-41416
PJSIP: Asymmetric ptime integer overflow in Media Stream - CVE-2026-41415
PJSIP: SIP Multipart CID URI Length Underflow - CVE-2026-40892
PJSIP: Stack buffer overflow in pjsip_auth_create_digest2() - CVE-2026-40614
PJSIP: Heap buffer overflow in Opus codec decoding
Same weakness: CWE-121
- CVE-2026-8258
Squirrel sqstdstring.cpp validate_format stack-based overflo - CVE-2026-8234
EFM ipTIME A8004T WifiBasicSet formWifiBasicSet stack-based - CVE-2026-6665
PgBouncer buffer overflow in SCRAM - CVE-2026-41509
Integer underflow in crypto_sign_open() leads to buffer over - CVE-2026-8138
Tenda CX12L SetPptpServerCfg” formSetPPTPServer stack-based
V. Comments for CVE-2026-29068
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