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Vulnerabilities

Vulnerability · CVE-2025-49176

A flaw was found in the Big Requests extension.

Published Jun 17, 2025 · catalog updated Jun 30, 2026 · X.org Red Hat Enterprise Linux 7 Extended Lifecycle Support

Check this week

CVE-2025-49176 is not in CISA KEV. FIRST estimates a 36.00% chance of exploitation in the next 30 days. Check whether you run X.org Red Hat Enterprise Linux 7 Extended Lifecycle Support.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
36.00%
Remediation
Vendor / distro source
Affected products
vendor X.org Red Hat Enterprise Linux 7 Extended Lifecycle Support patch: 0:1.8.0-36.el7_9.2

A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor X.org Red Hat Enterprise Linux 7 Extended Lifecycle Support patch: 0:1.8.0-36.el7_9.2patch: 0:1.8.0-36.el7_9.2

How to fix CVE-2025-49176

  • Recommended remediation

    A vendor or distribution source is linked. Check that advisory for patch availability; this catalog does not invent fix status.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-49176 is not in CISA KEV. FIRST estimates a 36.00% chance of exploitation in the next 30 days. Check whether you run X.org Red Hat Enterprise Linux 7 Extended Lifecycle Support.

Which versions are affected?

Compare what you have installed with X.org Red Hat Enterprise Linux 7 Extended Lifecycle Support patch: 0:1.8.0-36.el7_9.2 patch: 0:1.8.0-36.el7_9.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 36.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 17, 2025 · EUVD

    Detected

    A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.

  2. Jun 30, 2026 · EUVD

    Updated

    A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.

Sources

  • EUVDVulnerability recordEUVD-2025-18503

    A flaw was found in the Big Requests extension. The request length is multiplied by 4 before checking against the maximum allowed size, potentially causing an integer overflow and bypassing the size check.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Jun 30, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.