Description
StringEqual in TiXmlDeclaration::Parse in tinyxmlparser.cpp in TinyXML through 2.6.2 has a reachable assertion (and application exit) via a crafted XML document with a '\0' located after whitespace.
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 | tinyxml | 2.6.2-6.1 | — |
| Debian 13 | tinyxml | 2.6.2-6.1 | — |
| Debian 12 | tinyxml | 2.6.2-6+deb12u1 | — |
| Debian 10 | tinyxml | 2.6.2-4+deb10u2 | DLA-3701-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | tinyxml | 2.6.2-6ubuntu0.22.04.1 | USN-6612-1 |
| Ubuntu 20.04 LTS | tinyxml | 2.6.2-4+deb10u2build0.20.04.1 | USN-6612-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | tinyxml | 2.6.2-4ubuntu0.18.04.1~esm2 | USN-6612-1 |
| Ubuntu Pro 16.04 LTS | tinyxml | 2.6.2-3ubuntu0.1~esm2 | USN-6612-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP5 | tinyxml | 2.6.2-150000.3.6.1 | SUSE-SU-2023:4958-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.5 | tinyxml | 2.6.2-150000.3.6.1 | SUSE-SU-2023:4958-1 |
| openSUSE Leap 15.4 | tinyxml | 2.6.2-150000.3.6.1 | SUSE-SU-2023:4958-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | tinyxml | 2.6.2-r4 | — |
| Alpine v3.23 | tinyxml | 2.6.2-r4 | — |
| Alpine v3.22 | tinyxml | 2.6.2-r4 | — |
| Alpine v3.21 | tinyxml | 2.6.2-r4 | — |
| Alpine v3.20 | tinyxml | 2.6.2-r4 | — |
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.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
vm2mv/tinyxml ★ 2 · Dec 4, 2024
TinyXML 2.6.2 with fixes for CVE-2021-42260 and CVE-2023-34194
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 3
- USN-6612-1 tinyxml vulnerability Ubuntu Security Notices (USN) · Jun 25, 2026
- DLA-3701-1 tinyxml - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2023:4958-1 Security update for tinyxml SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://sourceforge.net/p/tinyxml/git/ci/master/tree/tinyxmlparser.cpp
- https://www.forescout.com/resources/sierra21-vulnerabilities
- [debian-lts-announce] 20231230 [SECURITY] [DLA 3701-1] tinyxml security update mailing-list
- FEDORA-2024-80e6578a01 vendor-advisory
- FEDORA-2024-c9dc0ac419 vendor-advisory