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CVE-2010-2947

31
FAUCET Score

CVE-2010-2947 describes a critical heap-based buffer overflow in the HX_split function within libHX versions prior to 3.6, specifically affecting products like jan_engelhardt libhx. This flaw allows remote attackers to execute arbitrary code or trigger a denial of service by providing malformed input strings. With a CVSS score of 10.0, this vulnerability is easily exploitable over the network without authentication, leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.5CPE matchmatch criteria
cpe:2.3:a:jan_engelhardt:libhx:*:*:*:*:*:*:*:*
1.10.0CPE matchmatch criteria
cpe:2.3:a:jan_engelhardt:libhx:1.10.0:*:*:*:*:*:*:*
1.10.1CPE matchmatch criteria
cpe:2.3:a:jan_engelhardt:libhx:1.10.1:*:*:*:*:*:*:*
1.10.2CPE matchmatch criteria
cpe:2.3:a:jan_engelhardt:libhx:1.10.2:*:*:*:*:*:*:*
1.15CPE matchmatch criteria
cpe:2.3:a:jan_engelhardt:libhx:1.15:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

10.0HIGH

AV:N/AC:L/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.51%
Probability of exploitation in next 30 days
EPSS Percentile
91.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0551 is in the 86th percentile among its peer group of 51,466 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

libhx.git.sourceforge.net / git/gitweb.cgi
lists.opensuse.org / opensuse-security-announce/2010-10/msg00006.html
bugzilla.redhat.com / show_bug.cgi
mandriva.com / security/advisories
openwall.com / lists/oss-security/2010/08/20/12
openwall.com / lists/oss-security/2010/08/20/5
securityfocus.com / bid/42592
vupen.com / english/advisories/2010/2232