How severe is CVE-2010-2490?

CVE-2010-2490 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2010-2490 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-2490?

CVE-2010-2490 primarily affects Mumble. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-2490?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-2490 published?

CVE-2010-2490 was published on 2019-10-31 and last updated on 2026-06-16.

CVE-2010-2490

CVE-2010-2490 is a medium-severity vulnerability in Mumble with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Mumble
Published: 2019-10-31
Last modified: 2026-06-16

Description

Mumble: murmur-server has DoS due to malformed client query

Frequently asked questions

What is CVE-2010-2490?: Mumble: murmur-server has DoS due to malformed client query
How severe is CVE-2010-2490?: CVE-2010-2490 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2010-2490 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-2490?: CVE-2010-2490 primarily affects Mumble. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-2490?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-2490 published?: CVE-2010-2490 was published on 2019-10-31 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:mumble:mumble:-:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

More vulnerabilities in Mumble

CVE-2021-27229 — High (CVSS 8.8): Mumble before 1.3.4 allows remote code execution if a victim navigates to a crafted URL on a server list and clicks on…
CVE-2020-13962 — High (CVSS 7.5): Qt 5.12.2 through 5.14.2, as used in unofficial builds of Mumble 1.3.0 and other products, mishandles OpenSSL's error…
CVE-2018-20743 — High (CVSS 7.5): murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the…
CVE-2014-3756 — Medium (CVSS 5.0): The client in Mumble 1.2.x before 1.2.6 allows remote attackers to force the loading of an external file and cause a…
CVE-2014-3755 — Medium (CVSS 5.0): The QSvg module in Qt, as used in the Mumble client 1.2.x before 1.2.6, allows remote attackers to cause a denial of…
CVE-2025-71264 — Low (CVSS 3.7): Mumble before 1.6.870 is prone to an out-of-bounds array access, which may result in denial of service (client crash).

All CVEs affecting Mumble →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →