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CVE-2021-41396

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming...

7.5 High

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.37%Up 0.5 points since Jul 12, 2022
90%50%10%1%

What each source reports

NVD Score used 7.5

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.

Record
CVE-2021-41396
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness
CWE-787
Updated
2026-11-02
CVE List No score

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.

Record
CVE-2021-41396
Updated
2026-11-02
EUVDEUVD-2021-28424 No score

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.

Record
EUVD-2021-28424
Updated
2026-11-03
GitHub AdvisoriesGHSA-vjgm-3mww-8qmf 7.5

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming...

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.

Record
GHSA-vjgm-3mww-8qmf
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-787
Updated
2026-11-02
OSVDEBIAN-CVE-2021-41396 7.5

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.

Record
DEBIAN-CVE-2021-41396
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2021-41396 7.5

Live555 through 1.08 does not handle socket connections properly. A huge number of incoming socket connections in a short time invokes the error-handling module, in which a heap-based buffer overflow happens. An attacker can leverage this to launch a DoS attack.

Record
UBUNTU-CVE-2021-41396
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
liblivemedia
Debian:14
All versions, plus listed versions
2004.11.11a-12005.04.01-12005.06.16-12005.07.21-12005.10.05-1
Show 45 moreShow less
2006.03.17-12006.03.17-22007.02.20-12007.02.20-22008.07.25-12008.07.25-22009.11.27-12010.02.10-12010.04.09-12010.11.17-12011.03.14-12011.05.25-12011.06.16-12011.07.08-12011.07.21-12011.08.22-12011.09.02-12011.12.23-12012.02.04-12012.02.29-12012.02.29-22012.04.04-12012.04.21-12012.05.03-12012.05.03-1~bpo60+12012.05.17-12012.05.17-1+wheezy12012.05.17-1~bpo60+12012.08.31-12012.10.24-12012.11.16-12012.11.30-12013.01.05-12013.01.05-22013.01.05-32013.01.15-12013.04.30-12013.10.25-12014.01.13-12015.12.22-12016.01.12-12016.01.16-12016.01.20-12016.01.29-12016.01.29-2
None known
liblivemedia
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
2014.01.13-12016.01.29-22016.02.09-12016.02.09-1ubuntu0.1~esm1
None known
liblivemedia
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
2017.07.18-12017.09.12-1ubuntu12017.10.28-22018.01.29-12018.02.18-12018.02.18-1ubuntu0.1~esm1
None known
liblivemedia
Ubuntu:20.04:LTS
All versions, plus listed versions
2018.11.26-1.12020.01.19-12020.01.19-1build1
None known
liblivemedia
Ubuntu:26.10
All versions, plus listed versions
2026.09.23-dfsg-12026.09.23-dfsg-32026.09.23-dfsg-4
None known

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-41396 is a high vulnerability (CVSS 7.5) in Live555, published July 11, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.37%, the 72nd percentile. No source names a fixed version.

References

This page doesn't list everything

Left out here: 58 versions. The JSON record has them.

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