How severe is CVE-2026-1109?

CVE-2026-1109 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-1109 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-1109?

CVE-2026-1109 affects Cijliu Librtsp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-1109?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-1109 have an EU (EUVD) identifier?

Yes. CVE-2026-1109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3186.

When was CVE-2026-1109 published?

CVE-2026-1109 was published on 2026-01-18 and last updated on 2026-06-17.

CVE-2026-1109

CVE-2026-1109 is a medium-severity vulnerability in Cijliu Librtsp with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-120.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 4.3
CVSS v4: 1.9
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-3186
Weakness: CWE-120
Affected product: Cijliu Librtsp
Published: 2026-01-18
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-1109?: 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.
How severe is CVE-2026-1109?: CVE-2026-1109 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-1109 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-1109?: CVE-2026-1109 affects Cijliu Librtsp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-1109?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-1109 have an EU (EUVD) identifier?: Yes. CVE-2026-1109 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-3186.
When was CVE-2026-1109 published?: CVE-2026-1109 was published on 2026-01-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cijliu:librtsp:*:*:*:*:*:*:*:*

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