CVE-2020-28926
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious...
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
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
9.8
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
CVE-2020-28926- 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
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
CVE-2020-28926- Updated
- 2026-11-02
EUVDEUVD-2020-21314 No score
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
EUVD-2020-21314- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gvj3-gg8w-3vrm
9.8
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious...
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
GHSA-gvj3-gg8w-3vrm- 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
OSVALPINE-CVE-2020-28926
9.8
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
ALPINE-CVE-2020-28926- 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
- 2026-11-03
OSV
9.8
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
CVE-2020-28926- 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 9 moreShow less
OSVDEBIAN-CVE-2020-28926
9.8
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
DEBIAN-CVE-2020-28926- 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
OSVUBUNTU-CVE-2020-28926
9.8
ReadyMedia (aka MiniDLNA) before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove.
- Record
UBUNTU-CVE-2020-28926- 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-2020-0483 No score
Updated minidlna packages fix security vulnerabilities
It was discovered that minidlna does not forbid the acceptance of a subscription request with a delivery URL on a different network segment than the fully qualified event-subscription URL, aka the CallStranger issue (CVE-2020-12695).
Minidlna before versions 1.3.0 allows remote code execution. Sending a malicious UPnP HTTP request to the miniDLNA service using HTTP chunked encoding can lead to a signedness bug resulting in a buffer overflow in calls to memcpy/memmove (CVE-2020-28926).
- Record
MGASA-2020-0483- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:2160-1 No score
Security update for minidlna
This update for minidlna fixes the following issues:
minidlna was updated to version 1.3.0 (boo#1179447)
- Fixed some build warnings when building with musl.
- Use $USER instead of $LOGNAME for the default friendly name.
- Fixed build with GCC 10
- Fixed some warnings from newer compilers
- Disallow negative HTTP chunk lengths. [CVE-2020-28926]
- Validate SUBSCRIBE callback URL. [CVE-2020-12695]
- Fixed spurious warnings with ogg coverart
- Fixed an issue with VLC where browse results would be truncated.
- Fixed bookmarks on Samsung Q series
- Added DSD file support.
- Fixed potential stack smash vulnerability in getsyshwaddr on macOS.
- Will now reload the log file on SIGHUP.
- Worked around bad SearchCriteria from the Control4 Android app.
- Increased max supported network addresses to 8.
- Added forced alphasort capability.
- Added episode season and number metadata support.
- Enabled subtitles by default for unknown DLNA clients, and add enable_subtitles config option.
- Fixed discovery when connected to certain WiFi routers.
- Added FreeBSD kqueue support.
- Added the ability to set the group to run as.
- Record
openSUSE-SU-2020:2160-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:2194-1 No score
Security update for minidlna
This update for minidlna fixes the following issues:
minidlna was updated to version 1.3.0 (boo#1179447)
- Fixed some build warnings when building with musl.
- Use $USER instead of $LOGNAME for the default friendly name.
- Fixed build with GCC 10
- Fixed some warnings from newer compilers
- Disallow negative HTTP chunk lengths. [CVE-2020-28926]
- Validate SUBSCRIBE callback URL. [CVE-2020-12695]
- Fixed spurious warnings with ogg coverart
- Fixed an issue with VLC where browse results would be truncated.
- Fixed bookmarks on Samsung Q series
- Added DSD file support.
- Fixed potential stack smash vulnerability in getsyshwaddr on macOS.
- Will now reload the log file on SIGHUP.
- Worked around bad SearchCriteria from the Control4 Android app.
- Increased max supported network addresses to 8.
- Added forced alphasort capability.
- Added episode season and number metadata support.
- Enabled subtitles by default for unknown DLNA clients, and add enable_subtitles config option.
- Fixed discovery when connected to certain WiFi routers.
- Added FreeBSD kqueue support.
- Added the ability to set the group to run as.
- Record
openSUSE-SU-2020:2194-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:2204-1 No score
Security update for minidlna
This update for minidlna fixes the following issues:
minidlna was updated to version 1.3.0 (boo#1179447)
- Fixed some build warnings when building with musl.
- Use $USER instead of $LOGNAME for the default friendly name.
- Fixed build with GCC 10
- Fixed some warnings from newer compilers
- Disallow negative HTTP chunk lengths. [CVE-2020-28926]
- Validate SUBSCRIBE callback URL. [CVE-2020-12695]
- Fixed spurious warnings with ogg coverart
- Fixed an issue with VLC where browse results would be truncated.
- Fixed bookmarks on Samsung Q series
- Added DSD file support.
- Fixed potential stack smash vulnerability in getsyshwaddr on macOS.
- Will now reload the log file on SIGHUP.
- Worked around bad SearchCriteria from the Control4 Android app.
- Increased max supported network addresses to 8.
- Added forced alphasort capability.
- Added episode season and number metadata support.
- Enabled subtitles by default for unknown DLNA clients, and add enable_subtitles config option.
- Fixed discovery when connected to certain WiFi routers.
- Added FreeBSD kqueue support.
- Added the ability to set the group to run as.
This update was imported from the openSUSE:Leap:15.2:Update update project.
- Record
openSUSE-SU-2020:2204-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2020:2226-1 No score
Security update for minidlna
This update for minidlna fixes the following issues:
minidlna was updated to version 1.3.0 (boo#1179447)
- Fixed some build warnings when building with musl.
- Use $USER instead of $LOGNAME for the default friendly name.
- Fixed build with GCC 10
- Fixed some warnings from newer compilers
- Disallow negative HTTP chunk lengths. [CVE-2020-28926]
- Validate SUBSCRIBE callback URL. [CVE-2020-12695]
- Fixed spurious warnings with ogg coverart
- Fixed an issue with VLC where browse results would be truncated.
- Fixed bookmarks on Samsung Q series
- Added DSD file support.
- Fixed potential stack smash vulnerability in getsyshwaddr on macOS.
- Will now reload the log file on SIGHUP.
- Worked around bad SearchCriteria from the Control4 Android app.
- Increased max supported network addresses to 8.
- Added forced alphasort capability.
- Added episode season and number metadata support.
- Enabled subtitles by default for unknown DLNA clients, and add enable_subtitles config option.
- Fixed discovery when connected to certain WiFi routers.
- Added FreeBSD kqueue support.
- Added the ability to set the group to run as.
This update was imported from the openSUSE:Leap:15.1:Update update project.
- Record
openSUSE-SU-2020:2226-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11050-1 No score
minidlna-1.3.0-2.7 on GA media
These are all security issues fixed in the minidlna-1.3.0-2.7 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11050-1- Updated
- 2026-11-02
OSVUSN-4722-1 No score
minidlna vulnerabilities
It was discovered that ReadyMedia (MiniDLNA) allowed subscription requests with a delivery URL on a different network segment than the fully qualified event- subscription URL. An attacker could use this to hijack smart devices and cause denial of service attacks. (CVE-2020-12695)
It was discovered that ReadyMedia (MiniDLNA) allowed remote code execution. A remote attacker could send a malicious UPnP HTTP request to the service using HTTP chunked encoding and cause a denial of service. (CVE-2020-28926)
- Record
USN-4722-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
minidlnaAlpine:v3.12 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.13 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.14 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.15 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.16 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.17 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.18 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.19 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.20 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.21 |
before 1.2.1-r2 | 1.2.1-r2 |
Show 20 moreShow less
| Package | Affected | Fixed |
|---|---|---|
minidlnaAlpine:v3.22 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.23 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaAlpine:v3.24 |
before 1.2.1-r2 | 1.2.1-r2 |
minidlnaDebian:12 |
before 1.2.1+dfsg-3 | 1.2.1+dfsg-3 |
minidlnaDebian:13 |
before 1.2.1+dfsg-3 | 1.2.1+dfsg-3 |
minidlnaDebian:14 |
before 1.2.1+dfsg-3 | 1.2.1+dfsg-3 |
minidlnaDebian:9 From an advisory covering 2 CVEs |
before 1.1.6+dfsg-1+deb9u1, plus listed versions 1.1.6+dfsg-1 |
1.1.6+dfsg-1+deb9u1 |
minidlnaDebian:10 From an advisory covering 2 CVEs |
before 1.2.1+dfsg-2+deb10u1, plus listed versions 1.2.1+dfsg-11.2.1+dfsg-2 |
1.2.1+dfsg-2+deb10u1 |
minidlnaMageia:7 From an advisory covering 2 CVEs |
before 1.2.1-3.1.mga7 | 1.2.1-3.1.mga7 |
minidlnaUbuntu:16.04:LTS |
before 1.1.5+dfsg-2ubuntu0.1, plus listed versions 1.1.4+dfsg-4build11.1.5+dfsg-11.1.5+dfsg-2 |
1.1.5+dfsg-2ubuntu0.1 |
minidlnaUbuntu:18.04:LTS |
before 1.2.1+dfsg-1ubuntu0.18.04.1, plus listed versions 1.2.0+dfsg-21.2.1+dfsg-1 |
1.2.1+dfsg-1ubuntu0.18.04.1 |
minidlnaUbuntu:20.04:LTS |
before 1.2.1+dfsg-1ubuntu0.20.04.1, plus listed versions 1.2.1+dfsg-1build1 |
1.2.1+dfsg-1ubuntu0.20.04.1 |
minidlnaUbuntu:16.04:LTS From an advisory covering 2 CVEs |
before 1.1.5+dfsg-2ubuntu0.1, plus listed versions 1.1.4+dfsg-4build11.1.5+dfsg-11.1.5+dfsg-2 |
1.1.5+dfsg-2ubuntu0.1 |
minidlnaUbuntu:18.04:LTS From an advisory covering 2 CVEs |
before 1.2.1+dfsg-1ubuntu0.18.04.1, plus listed versions 1.2.0+dfsg-21.2.1+dfsg-1 |
1.2.1+dfsg-1ubuntu0.18.04.1 |
minidlnaUbuntu:20.04:LTS From an advisory covering 2 CVEs |
before 1.2.1+dfsg-1ubuntu0.20.04.1, plus listed versions 1.2.1+dfsg-1build1 |
1.2.1+dfsg-1ubuntu0.20.04.1 |
minidlnaopenSUSE:Leap 15.2 From an advisory covering 2 CVEs |
before 1.3.0-lp152.4.3.1 | 1.3.0-lp152.4.3.1 |
minidlnaopenSUSE:Leap 15.1 From an advisory covering 2 CVEs |
before 1.3.0-lp151.3.3.1 | 1.3.0-lp151.3.3.1 |
minidlnaSUSE:Package Hub 15 SP2 From an advisory covering 2 CVEs |
before 1.3.0-bp152.4.3.1 | 1.3.0-bp152.4.3.1 |
minidlnaSUSE:Package Hub 15 SP1 From an advisory covering 2 CVEs |
before 1.3.0-bp151.2.3.1 | 1.3.0-bp151.2.3.1 |
minidlnaopenSUSE:Tumbleweed From an advisory covering 2 CVEs |
before 1.3.0-2.7 | 1.3.0-2.7 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| PoC in GitHub | lorsanta/exploit-CVE-2020-28926 | 2021-03-03 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| affected, aliases, references | OSV | |
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-28926 is a critical vulnerability (CVSS 9.8) in Readymedia Project Readymedia, published November 30, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.1%, the 96th percentile. Fixed in minidlna 1.2.1-r2.
References
sourceforge.net/projects/minidlna
rootshellsecurity.net/remote-heap-corruption-bug-discovery-minidlna
debian.org/security/2020/dsa-4806
lists.debian.org/debian-lts-announce/2020/12/msg00017.html
nvd.nist.gov/vuln/detail/CVE-2020-28926
github.com/advisories/GHSA-gvj3-gg8w-3vrm
Show 16 moreShow less
security.alpinelinux.org/vuln/CVE-2020-28926
security-tracker.debian.org/tracker/CVE-2020-28926
advisories.mageia.org/MGASA-2020-0483.html
bugs.mageia.org/show_bug.cgi?id=27755
ubuntu.com/security/CVE-2020-28926
sourceforge.net/p/minidlna/git/ci/9fba41008adebc1da0f4f6c6e27ae422ace3fe4a
ubuntu.com/security/notices/USN-4722-1
cve.org/CVERecord?id=CVE-2020-28926
ubuntu.com/security/CVE-2020-12695
lists.opensuse.org/archives/list/[email protected]/thread/A2GHF3UJM6D2JSKELXMJY57IRWK3PJM3
bugzilla.suse.com/1179447
suse.com/security/cve/CVE-2020-12695
suse.com/security/cve/CVE-2020-28926
lists.opensuse.org/archives/list/[email protected]/thread/TSSIKL5YFHBGYOJ3SQBDZNPPVD4OU4WF
lists.opensuse.org/archives/list/[email protected]/thread/SNZKSW2K4W6JRPVMJ5SOHHDWS6UI5LAZ
lists.opensuse.org/archives/list/[email protected]/thread/7S45AUDAZDSITTGVELYZ3FY6T7HMLOED