CVE-2026-52722

HIGHCVSS 7.1/10EPSS 0.39%

Last modified

CVE-2026-52722 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to out-of-bounds reads. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to out-of-bounds reads. A remote attacker could trick a user into opening a specially crafted VMnc file, potentially causing a crash or information disclosure.

Metrics

CVSS 3.1
7.1/10

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

EPSS Probability
0.39%

32.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
Red HatRed Hat Enterprise Linux 10All versions
Red HatRed Hat Enterprise Linux 10.0 Extended Update SupportAll versions
Red HatRed Hat Enterprise Linux 7 Extended Lifecycle SupportAll versions
Red HatRed Hat Enterprise Linux 8All versions
Red HatRed Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportAll versions
Red HatRed Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-OnAll versions
Red HatRed Hat Enterprise Linux 8.6 Advanced Mission Critical Update SupportAll versions
Red HatRed Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-OnAll versions
Red HatRed Hat Enterprise Linux 8.8 Telecommunications Update ServiceAll versions
Red HatRed Hat Enterprise Linux 8.8 Update Services for SAP SolutionsAll versions
Red HatRed Hat Enterprise Linux 9All versions
Red HatRed Hat Enterprise Linux 9.2 Update Services for SAP SolutionsAll versions
Red HatRed Hat Enterprise Linux 9.4 Update Services for SAP SolutionsAll versions
Red HatRed Hat Enterprise Linux 9.6 Extended Update SupportAll versions
Red HatRed Hat Enterprise Linux 6All versions

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-52722?
A signed integer overflow vulnerability was found in GStreamer's VMnc decoder. A crafted VMnc stream with large cursor dimensions can overflow signed integer payload-size arithmetic, bypassing a length check and leading to out-of-bounds reads. A remote attacker could trick a user into opening a specially crafted VMnc file, potentially causing a crash or information disclosure.
How severe is CVE-2026-52722?
CVE-2026-52722 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2026-52722?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST