HOMEVULNERABILITIESCVE-2012-0828
CRITICAL

CVE-2012-0828

CWE-787Published: February 21, 2020· Updated: Jun 16, 2026

9.8
CVSS v3.1

Official Description

Heap-based buffer overflow in Xchat-WDK before 1499-4 (2012-01-18) xchat 2.8.6 on Maemo architecture could allow remote attackers to cause a denial of service (xchat client crash) or execute arbitrary code via a UTF-8 line from server containing characters outside of the Basic Multilingual Plane (BMP).

NVD Source

Technical Analysis

CVE-2012-0828 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

gnome1 product(s)
gtk
xchat1 product(s)
xchat
xchat-wdk1 product(s)
xchat-wdk
Source: NVD CPE · 6 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories

PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0828
PATCHhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0828
ADVISORYhttp://www.openwall.com/lists/oss-security/2012/02/01/9
ADVISORYhttps://access.redhat.com/security/cve/cve-2012-0828
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2012-0828
ADVISORYhttp://www.openwall.com/lists/oss-security/2012/02/01/9
ADVISORYhttps://access.redhat.com/security/cve/cve-2012-0828
ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2012-0828

All References (8)

→
http://www.openwall.com/lists/oss-security/2012/02/01/9Mailing List · Third Party Advisory
→
https://access.redhat.com/security/cve/cve-2012-0828Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0828Issue Tracking · Patch · Third Party Advisory
→
https://security-tracker.debian.org/tracker/CVE-2012-0828Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2012/02/01/9Mailing List · Third Party Advisory
→
https://access.redhat.com/security/cve/cve-2012-0828Third Party Advisory
→
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0828Issue Tracking · Patch · Third Party Advisory
→
https://security-tracker.debian.org/tracker/CVE-2012-0828Third Party Advisory

Quick Facts

CVE IDCVE-2012-0828
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-787
CISA KEVNo
Affected3 vendor(s)
PublishedFeb 21, 2020

Related CVEs (CWE-787)

CVE-2012-0751
10.0
CVE-2015-5105
10.0
CVE-2018-10718
10.0
CVE-2002-2227
10.0
CVE-2013-5610
10.0
CVE-2015-5096
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2012-0828 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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