CVE-2026-103109: pexip infinity Memory Corruption — Fix

Description

Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0, is affected by improper input validation in the media implementation that allows a remote attacker to trigger memory corruption or a software abort resulting in a denial of service. A crafted media stream may result in a controlled abort during processing, and has the potential to achieve memory corruption.

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CVSS v3.1 Score

7.7

HIGH

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

EPSS — Exploit Prediction

0.0025

Probability of exploitation

0.15%

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-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
pexip	pexip_infinity	< 38.2
pexip	pexip_infinity	39.0 — 39.1
pexip	pexip_infinity	All

References

Advisories & Patches

https://docs.pexip.com/admin/security_bulletins.htm

Frequently Asked Questions

What is CVE-2026-103109? +

Pexip Infinity before 38.2, plus 39.0, 39.1 and 40.0, is affected by improper input validation in the media implementation that allows a remote attacker to trigger memory corruption or a software abort resulting in a denial of service. A crafted media stream may result in a controlled abort during processing, and has the potential to achieve memory corruption. It has a CVSS v3.1 base score of 7.7 (HIGH).

How severe is CVE-2026-103109? +

CVE-2026-103109 has a CVSS v3.1 score of 7.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0025, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-103109? +

CVE-2026-103109 affects products from pexip, specifically: pexip_infinity. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-103109? +

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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