Vulnerability · Published Jan 18, 2026 · Assigned by VulDB

CVE-2026-1109cijliu librtsp rtsp_parse_request buffer overflow

Medium 5.3

In plain English

A medium-severity buffer overflow in librtsp from cijliu. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.3%top 82.8% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in cijliu librtsp up to 2ec1a81ad65280568a0c7c16420d7c10fde13b04. The impacted element is the function rtsp_parse_request. The manipulation results in buffer overflow. Attacking locally is a requirement. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
cijliu	librtsp	2ec1a81ad65280568a0c7c16420d7c10fde13b04

Weakness: CWE-120, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-341701 | cijliu librtsp rtsp_parse_request buffer overflow vdb-entry, technical-description
VDB-341701 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #732599 | librtsp demo git-master-2ec1a81ad65280568a0c7c16420d7c10fde13b04 Buffer Overflow third-party-advisory
https://github.com/fizz-is-on-the-way/vuls_protocol/blob/main/librtsp_rtsp_parse_request/librtsp_rtsp_parse_request.md related