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CVE-2012-5238
epan/dissectors/packet-ppp.c in the PPP dissector in Wireshark 1.8.x before 1.8.3 uses incorrect OUI data structures during the decoding…
Low3.3EPSS 0.91%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
epan/dissectors/packet-ppp.c in the PPP dissector in Wireshark 1.8.x before 1.8.3 uses incorrect OUI data structures during the decoding of (1) PPP and (2) LCP data, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a malformed packet.
Timeline
ID reserved
By mitre
- 2 days later
· 2 days later
Published
- 12 years later
· 12 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.3 | AV:A/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 0.91% · top 40% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.3.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (12)
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7668 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 55754 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- oval:org.mitre.oval:def:15593 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=44688 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.wireshark.org/security/wnpa-sec-2012-27.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7316 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=42989&r2=42988&pathrev=42989 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1027604 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- wireshark-ppp-dissector-dos(79010) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-ppp.c?r1=44688&r2=44687&pathrev=44688 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=42989 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 85883 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2012-5161 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-5238)Record last updated .