CVE-2022-24763— Infinite Loop in PJSIP
Quick assessment
Affected
pjsip pjproject
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
PJSIP是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存在安全漏洞，该漏洞源于版本2.12及之前包含一个拒绝服务漏洞，会影响在应用程序中使用PJSIP XML解析的PJSIP用户。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2022-24763
Vulnerability Information
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Vulnerability Title
Infinite Loop in PJSIP
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: CVE Program / CVE List V5
Vulnerability Title
PJSIP 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
PJSIP是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存在安全漏洞，该漏洞源于版本2.12及之前包含一个拒绝服务漏洞，会影响在应用程序中使用PJSIP XML解析的PJSIP用户。
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-2022-24763
| # | POC Description | Source Link | Shenlong Link |
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Patches & Fixes for CVE-2022-24763 (1)
Vendor Advisories for CVE-2022-24763 (3)
-
https://www.debian.org/security/2022/dsa-5285 vendor-advisory
-
https://security.gentoo.org/glsa/202210-37 vendor-advisory
Mailing List Discussions for CVE-2022-24763 (3)
IV. Related Vulnerabilities
Same product: pjproject
-
CVE-2026-84975
PJSIP: TLS server identity (hostname) verification bypass vi -
CVE-2026-77396
PJSIP: Heap buffer overflow in the AVI parser -
CVE-2026-57166
PJSIP: Pre-authentication overflow in the telnet CLI error -
CVE-2026-57165
PJSIP: Pre-authentication overflow in the telnet CLI history -
CVE-2026-57164
PJSIP: Heap overflow in the HTTP client
Same vendor: pjsip
-
CVE-2026-84975
PJSIP: TLS server identity (hostname) verification bypass vi -
CVE-2026-77396
PJSIP: Heap buffer overflow in the AVI parser -
CVE-2026-57166
PJSIP: Pre-authentication overflow in the telnet CLI error -
CVE-2026-57165
PJSIP: Pre-authentication overflow in the telnet CLI history -
CVE-2026-57164
PJSIP: Heap overflow in the HTTP client
Same weakness: CWE-835
-
CVE-2026-107696
FFmpeg through 9.0.2 Infinite Loop via RTSP Redirect Handlin -
CVE-2026-107695
FFmpeg before 8.1.3 HLS Demuxer Infinite Loop via Self-Refer -
CVE-2026-107677
FFmpeg through 9.0.2 DASH Demuxer Infinite Loop via Empty Se -
CVE-2026-107577
Loop with Unreachable Exit Condition ('Infinite Loop') in hM -
CVE-2026-106164
Infinite Loop in Telerik Document Processing XLS Import
V. Comments for CVE-2022-24763
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