Description
ReadyMedia (MiniDLNA) versions from 1.1.15 up to 1.3.2 is vulnerable to Buffer Overflow. The vulnerability is caused by incorrect validation logic when handling HTTP requests using chunked transport encoding. This results in other code later using attacker-controlled chunk values that exceed the length of the allocated buffer, resulting in out-of-bounds read/write.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | minidlna | 1.3.2+dfsg-1.1 | — |
| Debian 13 | minidlna | 1.3.2+dfsg-1.1 | — |
| Debian 12 | minidlna | 1.3.0+dfsg-2.2+deb12u1 | DSA-5434-1 |
| Debian 11 | minidlna | 1.3.0+dfsg-2+deb11u2 | DSA-5434-1 |
| Debian 10 | minidlna | 1.2.1+dfsg-2+deb10u4 | DLA-3465-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | minidlna | 1.3.0+dfsg-2.1ubuntu0.1 | USN-6398-1 |
| Ubuntu 20.04 LTS | minidlna | 1.2.1+dfsg-1ubuntu0.20.04.2 | USN-6398-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | minidlna | 1.2.1+dfsg-1ubuntu0.18.04.1+esm1 | USN-6398-1 |
| Ubuntu Pro 16.04 LTS | minidlna | 1.1.5+dfsg-2ubuntu0.1+esm1 | USN-6398-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP5 | minidlna | 1.3.3-bp155.2.3.1 | openSUSE-SU-2024:0093-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | minidlna | 1.3.3-2.1 | openSUSE-SU-2024:14011-1 |
| openSUSE Leap 15.5 | minidlna | 1.3.3-bp155.2.3.1 | openSUSE-SU-2024:0093-1 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
-
mellow-hype/cve-2023-33476 ★ 19 · Jun 20, 2023
Exploits for a heap overflow in MiniDLNA <=1.3.2 (CVE-2023-33476)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 5
- USN-6398-1 minidlna vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5434-1 minidlna - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3465-1 minidlna - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:14011-1 minidlna-1.3.3-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:0093-1 Security update for minidlna SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://sourceforge.net/projects/minidlna/
- https://blog.coffinsec.com/0day/2023/05/31/minidlna-heap-overflow-rca.html
- https://sourceforge.net/p/minidlna/git/ci/9bd58553fae5aef3e6dd22f51642d2c851225aec/
- [debian-lts-announce] 20230621 [SECURITY] [DLA 3465-1] minidlna security update mailing-list
- DSA-5434 vendor-advisory
- GLSA-202311-12 vendor-advisory