CVE-2026-1109

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 12.7% of scored records. A rank, not a probability.

NVD base score

1.9 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-01-18 03:02Z7 MO AGO

Last updated

2026-02-23 08:35Z6 MO AGO

Reserved

2026-01-17

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass
• CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base

Data version

5.2

Document digest

33fa0e095c6ee352c62be31044d69921b4045fd2c4d38eb7628c7cb5b6013ee8

• vuldb.comVDB-341701 | cijliu librtsp rtsp_parse_request buffer overflowhttps://vuldb.com/?id.341701vdb-entrytechnical-description
• vuldb.comVDB-341701 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/?ctiid.341701signaturepermissions-required
• vuldb.comSubmit #732599 | librtsp demo git-master-2ec1a81ad65280568a0c7c16420d7c10fde13b04 Buffer Overflowhttps://vuldb.com/?submit.732599third-party-advisory
• github.comhttps://github.com/fizz-is-on-the-way/vuls_protocol/blob/main/librtsp_rtsp_parse_request/librtsp_rtsp_parse_request.mdrelated