CVE-2020-14983
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled...
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
- Record
CVE-2020-14983- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-120
- Updated
- 2026-11-02
CVE List No score
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
- Record
CVE-2020-14983- Updated
- 2026-11-02
EUVDEUVD-2020-7113 No score
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
- Record
EUVD-2020-7113- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cvfr-xv48-v96r
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled...
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
- Record
GHSA-cvfr-xv48-v96r- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-120
- Updated
- 2026-11-02
OSV
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
- Record
CVE-2020-14983- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-14983
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
- Record
DEBIAN-CVE-2020-14983- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 6 moreShow less
OSVUBUNTU-CVE-2020-14983
The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack.
- Record
UBUNTU-CVE-2020-14983- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2020-0302 No score
Updated chocolate-doom packages fix security vulnerability
The server in Chocolate Doom 3.0.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can overwrite the server's stack (CVE-2020-14983).
- Record
MGASA-2020-0302- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0928-1 No score
Security update for chocolate-doom
This update for chocolate-doom to version 3.0.1 fixes the following issues:
- CVE-2020-14983: Fixed a stack-based buffer overflow in the networking code (boo#1173595).
- Record
openSUSE-SU-2020:0928-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0939-1 No score
Security update for chocolate-doom
This update for chocolate-doom to version 3.0.1 fixes the following issues:
- CVE-2020-14983: Fixed a stack-based buffer overflow in the networking code (boo#1173595).
- Record
openSUSE-SU-2020:0939-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:0947-1 No score
Security update for chocolate-doom
This update for chocolate-doom to version 3.0.1 fixes the following issues:
- CVE-2020-14983: Fixed a stack-based buffer overflow in the networking code (boo#1173595).
This update was imported from the openSUSE:Leap:15.1:Update update project.
- Record
openSUSE-SU-2020:0947-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:10680-1 No score
chocolate-doom-3.0.1-2.2 on GA media
These are all security issues fixed in the chocolate-doom-3.0.1-2.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:10680-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
chocolate-doomDebian:12 |
before 3.0.1-1 | 3.0.1-1 |
chocolate-doomDebian:13 |
before 3.0.1-1 | 3.0.1-1 |
chocolate-doomDebian:14 |
before 3.0.1-1 | 3.0.1-1 |
crispy-doomDebian:12 |
before 5.9.0-1 | 5.9.0-1 |
crispy-doomDebian:13 |
before 5.9.0-1 | 5.9.0-1 |
crispy-doomDebian:14 |
before 5.9.0-1 | 5.9.0-1 |
chocolate-doomMageia:7 |
before 3.0.1-1.mga7 | 3.0.1-1.mga7 |
chocolate-doomUbuntu:16.04:LTS |
All versions, plus listed versions 2.2.0-12.2.1-12.2.1-22.2.1-2.1 |
None known |
chocolate-doomUbuntu:18.04:LTS |
All versions, plus listed versions 2.3.0-33.0.0-13.0.0-33.0.0-4 |
None known |
chocolate-doomUbuntu:20.04:LTS |
All versions, plus listed versions 3.0.0-43.0.0-5 |
None known |
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| Package | Affected | Fixed |
|---|---|---|
crispy-doomUbuntu:20.04:LTS |
All versions, plus listed versions 5.6-15.6.3-15.6.3-25.6.4-1 |
None known |
chocolate-doomopenSUSE:Leap 15.1 |
before 3.0.1-lp151.3.3.1 | 3.0.1-lp151.3.3.1 |
chocolate-doomopenSUSE:Leap 15.2 |
before 3.0.1-lp152.4.3.1 | 3.0.1-lp152.4.3.1 |
chocolate-doomSUSE:Package Hub 15 SP1 |
before 3.0.1-bp151.4.3.1 | 3.0.1-bp151.4.3.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-14983 is a critical vulnerability (CVSS 9.8) in Chocolate-doom Chocolate Doom, published June 22, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.69%, the 85th percentile. Fixed in chocolate-doom 3.0.1-1.
References
github.com/chocolate-doom/chocolate-doom/issues/1293
lists.opensuse.org/opensuse-security-announce/2020-07/msg00002.html
nvd.nist.gov/vuln/detail/CVE-2020-14983
Show 10 moreShow less
security-tracker.debian.org/tracker/CVE-2020-14983
advisories.mageia.org/MGASA-2020-0302.html
bugs.mageia.org/show_bug.cgi?id=26915
ubuntu.com/security/CVE-2020-14983
cve.org/CVERecord?id=CVE-2020-14983
bugzilla.suse.com/1173595
suse.com/security/cve/CVE-2020-14983