CVE-2026-102296: Buffer Overflow (CVSS 6.5)

Description

ZoneMinder before 1.38.4 contains static buffer overflow vulnerabilities in RemoteCameraHttp::GetResponse() that allow malicious HTTP cameras or intercepting attackers to overflow fixed-size buffers by sending oversized response headers. Attackers can send crafted HTTP responses with oversized status messages, Connection headers, Content-Type values, or multipart boundaries to corrupt parser state and crash the capture process or corrupt memory.

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

EPSS — Exploit Prediction

0.0037

Probability of exploitation

0.29%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-120 CWE-120

References

Other References

https://github.com/ZoneMinder/zoneminder https://github.com/ZoneMinder/zoneminder/blob/1.38.3/src/zm_remote_camera_http.cpp#L736 https://github.com/ZoneMinder/zoneminder/commit/2596e5fb64c0348e615577b0ab08dc38b6dc6ed8 https://github.com/ZoneMinder/zoneminder/commit/813bf6f1a3ffc92c163352f2480477ba571fca5b https://github.com/ZoneMinder/zoneminder/releases/tag/1.38.4 https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-93j4-rcp9-9jx6 https://www.vulncheck.com/advisories/zoneminder-before-1.38.4-buffer-overflow-via-http-camera-response https://github.com/ZoneMinder/zoneminder/security/advisories/GHSA-93j4-rcp9-9jx6

Frequently Asked Questions

What is CVE-2026-102296? +

ZoneMinder before 1.38.4 contains static buffer overflow vulnerabilities in RemoteCameraHttp::GetResponse() that allow malicious HTTP cameras or intercepting attackers to overflow fixed-size buffers by sending oversized response headers. Attackers can send crafted HTTP responses with oversized status messages, Connection headers, Content-Type values, or multipart boundaries to corrupt parser state and crash the capture process or corrupt memory. It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2026-102296? +

CVE-2026-102296 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0037, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-102296? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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