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CVE-2005-0960

15
FAUCET Score

CVE-2005-0960 describes multiple denial-of-service vulnerabilities within the SACK functionality of OpenBSD versions 3.5 and 3.6, specifically in tcp_input.c and tcp_usrreq.c. These vulnerabilities allow unauthenticated remote attackers to exhaust system memory or cause a system crash. With a CVSS score of 5.0, it is considered a medium severity vulnerability, requiring low attack complexity and having a potential impact of partial system availability loss. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
3.5CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:3.5:*:*:*:*:*:*:*
3.6CPE matchmatch criteria
cpe:2.3:o:openbsd:openbsd:3.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.45%
Probability of exploitation in next 30 days
EPSS Percentile
70.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0145 is in the 53rd percentile among its peer group of 23,725 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

securitytracker.com / id
Patch
openbsd.org / errata35.html
Patch
openbsd.org / errata.html
Patch
securityfocus.com / bid/12951
Patch