Every CVE Search/ Get API key

CVE-2020-36646

MediaArea ZenLib Ztring.cpp Date_From_Seconds_1970_Local unknown vulnerability

3.5 LowFix available

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 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
None
Integrity
None
Availability
Low

Exploit likelihood

1.28%Up 0.3 points since Jan 8, 2023
90%50%10%1%

What each source reports

CVE List Score used 3.5

MediaArea ZenLib Ztring.cpp Date_From_Seconds_1970_Local unknown vulnerability

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

Record
CVE-2020-36646
CVSS 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.0
3.5 LowCVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0
2.3 AV:A/AC:M/Au:S/C:N/I:N/A:P
Weakness
CWE-690
Updated
2026-11-02
EUVDEUVD-2020-24096 3.5

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

Record
EUVD-2020-24096
CVSS 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-03
GitHub AdvisoriesGHSA-2mm8-pf66-mch4 7.5

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This...

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The name of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

Record
GHSA-2mm8-pf66-mch4
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-476, CWE-690
Updated
2026-11-02
NVD 3.5

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

Record
CVE-2020-36646
CVSS 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
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
2.3 LowAV:A/AC:M/Au:S/C:N/I:N/A:P
Weakness
CWE-690, CWE-476
Updated
2026-11-02
OSV 7.5

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

Record
CVE-2020-36646
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
OSVDEBIAN-CVE-2020-36646 7.5

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

Record
DEBIAN-CVE-2020-36646
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-2020-36646 7.5

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.

Record
UBUNTU-CVE-2020-36646
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 3.1
3.5 LowCVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Updated
2026-11-02
OSVMGASA-2023-0046 No score

Updated libzen packages fix security vulnerability

A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. (CVE-2020-36646)

Record
MGASA-2023-0046
Updated
2026-11-02
OSVUSN-6048-1 No score

ZenLib vulnerability

It was discovered that ZenLib doesn't check the return value of a specific operation before using it. An attacker could use a specially crafted input to crash programs using the library.

Record
USN-6048-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libzen
Debian:12
 before 0.4.39-1
0.4.39-1
libzen
Debian:13
 before 0.4.39-1
0.4.39-1
libzen
Debian:14
 before 0.4.39-1
0.4.39-1
libzen
Debian:10
 before 0.4.37-1+deb10u1, plus listed versions
0.4.37-1
0.4.37-1+deb10u1
libzen
Mageia:8
 before 0.4.38-1.1.mga8
0.4.38-1.1.mga8
libzen
Ubuntu:Pro:14.04:LTS
 before 0.4.29-1ubuntu0.1~esm1, plus listed versions
0.4.29-1
0.4.29-1ubuntu0.1~esm1
libzen
Ubuntu:Pro:16.04:LTS
 before 0.4.32-1ubuntu0.16.04.1+esm1, plus listed versions
0.4.29-1ubuntu20.4.32-10.4.32-1ubuntu0.16.04.1
0.4.32-1ubuntu0.16.04.1+esm1
libzen
Ubuntu:18.04:LTS
 before 0.4.37-1ubuntu0.18.04.1, plus listed versions
0.4.36-10.4.37-1
0.4.37-1ubuntu0.18.04.1
libzen
Ubuntu:20.04:LTS
 before 0.4.37-1ubuntu0.20.04.1, plus listed versions
0.4.37-10.4.37-1build1
0.4.37-1ubuntu0.20.04.1

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2020-36646 is a low vulnerability (CVSS 3.5) in Mediaarea Zenlib, published January 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.28%, the 70th percentile. Fixed in libzen 0.4.39-1.

References

Show 8 moreShow less
Pages All vulnerabilities Browse Docs Sources Guide Get API key
MoveEnter Open