What is CVE-2024-45338?

CVE-2024-45338 is a medium-severity vulnerability in Golang.org/x/net Golang.org/x/net/html, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2024-12-18.

How severe is CVE-2024-45338?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Is CVE-2024-45338 known to be exploited?

7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Golang.org/x/net Golang.org/x/net/html

CVE-2024-45338

An attacker can craft an input to the Parse functions that would be processed non-linearly with respect to its length, resulting in extremely slow parsing. This could cause a denial of service.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.009 (55.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Golang.org/x/net Golang.org/x/net/html — versions 0

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-45338?: CVE-2024-45338 is a medium-severity vulnerability in Golang.org/x/net Golang.org/x/net/html, classified under Inefficient Regular Expression Complexity. CVSS score: 5.3/10. Published 2024-12-18.
How severe is CVE-2024-45338?: Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2024-45338 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.