Description
Buffer overflow in the smiGetNode function in lib/smi.c in libsmi 0.4.8 allows context-dependent attackers to execute arbitrary code via an Object Identifier (aka OID) represented as a numerical string containing many components separated by . (dot) characters.
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 | libsmi | 0.4.8+dfsg2-3 | — |
| Debian 13 | libsmi | 0.4.8+dfsg2-3 | — |
| Debian 12 | libsmi | 0.4.8+dfsg2-3 | — |
| Debian 5.0 | libsmi | 0.4.7+dfsg-0.2 | DSA-2145-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | libsmi | 0.4.8-24.8 | openSUSE-SU-2024:10266-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | libsmi | 0.4.8-28 | — |
| Azure Linux 2 (CBL-Mariner) | libsmi | 0.4.8-27 | — |
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.
Exploit-DB 1
- LibSMI smiGetNode - Buffer Overflow When Long OID Is Given In Numerical Form EDB-15293 · dos · Oct 20, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 2
- DSA-2145-1 libsmi - buffer overflow Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10266-1 libsmi-0.4.8-24.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- SUSE-SR:2011:001 vendor-advisory
- 43068 third-party-advisory
- MDVSA-2010:209 vendor-advisory
- ADV-2011-0212 vdb-entry
- 41841 third-party-advisory
- 42902 third-party-advisory
- 44276 vdb-entry
- DSA-2145 vendor-advisory
- ADV-2011-0111 vdb-entry
- 42877 third-party-advisory
- SUSE-SR:2011:002 vendor-advisory
- 20101020 [CORE-2010-0819] LibSMI smiGetNode Buffer Overflow When Long OID Is Given In Numerical Form mailing-list
- ADV-2011-0076 vdb-entry
- http://www.coresecurity.com/content/libsmi-smigetnode-buffer-overflow
- http://security-tracker.debian.org/tracker/CVE-2010-2891
- 15293 exploit
- ADV-2010-2764 vdb-entry
- libsmi-smigetnode-bo(62686) vdb-entry