Every CVE Search/ Get API key

CVE-2020-36619

multimon-ng demod_flex.c add_ch format string

5.5 MediumFix available

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Attack profile

How easy it is to exploit

Attack vector
Adjacent network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

Exploit likelihood

0.97%Unchanged since Dec 20, 2022
90%50%10%1%

What each source reports

CVE List Score used 5.5

multimon-ng demod_flex.c add_ch format string

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Record
CVE-2020-36619
CVSS 3.1
5.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness
CWE-119
Updated
2026-11-02
EUVDEUVD-2020-24079 5.5

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Record
EUVD-2020-24079
CVSS 3.1
5.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated
2026-11-02
GitHub AdvisoriesGHSA-7838-j28v-c2rp 9.8

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the...

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Record
GHSA-7838-j28v-c2rp
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119, CWE-134
Updated
2026-11-02
NVD 5.5

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Record
CVE-2020-36619
CVSS 3.1
5.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-119, CWE-134
Updated
2026-11-02
OSV 9.8

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Record
CVE-2020-36619
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-36619 9.8

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Record
DEBIAN-CVE-2020-36619
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-36619 5.5

A vulnerability was found in multimon-ng. It has been rated as critical. This issue affects the function add_ch of the file demod_flex.c. The manipulation of the argument ch leads to format string. Upgrading to version 1.2.0 is able to address this issue. The name of the patch is e5a51c508ef952e81a6da25b43034dd1ed023c07. It is recommended to upgrade the affected component. The identifier VDB-216269 was assigned to this vulnerability.

Record
UBUNTU-CVE-2020-36619
CVSS 3.1
5.5 MediumCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2022:10253-1 No score

Security update for multimon-ng

This update for multimon-ng fixes the following issues:

  • Update to new upstream release 1.2.0
    • Separated FLEX and FLEX_NEXT. The former is identical to 1.1.9, while FLEX_NEXT gained new features, as well as known regressions. (See #168)
    • Fix CVE-2020-36619 (boo#1206542)
    • Several smaller POCSAG fixes.
    • Fix for opening large wav files with improper header.
Record
openSUSE-SU-2022:10253-1
Updated
2026-11-02
OSVopenSUSE-SU-2023:0004-1 No score

Security update for multimon-ng

This update for multimon-ng fixes the following issues:

  • Update to new upstream release 1.2.0

    • Separated FLEX and FLEX_NEXT. The former is identical to 1.1.9, while FLEX_NEXT gained new features, as well as known regressions. (See #168)
    • Fix CVE-2020-36619 (boo#1206542)
    • Several smaller POCSAG fixes.
    • Fix for opening large wav files with improper header.

  • Update to new upstream release 1.1.9

    • multimon-ng now has a man page, let's try to keep it updated.
    • FLEX: Changes to group messages and delimiters.
    • FMS: Fixed a problem with the direction of telegrams.
    • POCSAG: Support for the Slovenian charset.
Record
openSUSE-SU-2023:0004-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
multimon-ng
Debian:12
 before 1.2.0+dfsg-1
1.2.0+dfsg-1
multimon-ng
Debian:13
 before 1.2.0+dfsg-1
1.2.0+dfsg-1
multimon-ng
Debian:14
 before 1.2.0+dfsg-1
1.2.0+dfsg-1
multimon-ng
Ubuntu:20.04:LTS
 All versions, plus listed versions
1.1.8+dfsg-1build1
 None known
multimon-ng
Ubuntu:22.04:LTS
 All versions, plus listed versions
1.1.9+dfsg-11.1.9+dfsg-2
 None known
multimon-ng
SUSE:Package Hub 15 SP4
 before 1.2.0-bp154.2.3.1
1.2.0-bp154.2.3.1
multimon-ng
openSUSE:Leap 15.4
 before 1.2.0-bp154.2.3.1
1.2.0-bp154.2.3.1
multimon-ng
SUSE:Package Hub 15 SP3
 before 1.2.0-bp153.2.3.1
1.2.0-bp153.2.3.1
multimon-ng
openSUSE:Leap 15.3
 before 1.2.0-bp153.2.3.1
1.2.0-bp153.2.3.1

History

History
RecordedChangedSources
facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

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

In short

CVE-2020-36619 is a medium vulnerability (CVSS 5.5) in Multimon-ng Project Multimon-ng, published December 19, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.97%, the 61st percentile. Fixed in multimon-ng 1.2.0+dfsg-1.

References

Show 7 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open