Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-2597

18
FAUCET Score

CVE-2011-2597 describes a denial-of-service vulnerability in Wireshark versions 1.2.x before 1.2.18, 1.4.x through 1.4.7, and 1.6.0, specifically within the Lucent/Ascend file parser. This flaw allows remote attackers to trigger an infinite loop by sending malformed packets to a system running the affected Wireshark versions. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and potential for partial availability impact, but no confidentiality or integrity compromise. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2:*:*:*:*:*:*:*
1.2.0CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:*
1.2.1CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:*
1.2.2CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:*
1.2.3CPE matchmatch criteria
cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.50%
Probability of exploitation in next 30 days
EPSS Percentile
83.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0250 is in the 73rd percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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

Patch Available

Vendor Patches (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: wireshark-0:1.2.15-2.el6_2.1
View patch

Vendor Advisories (1)

redhatCVE-2011-2597Low

wireshark: infinite loop DoS in lucent/ascend file parser

May 31, 2011

References

lists.fedoraproject.org / pipermail/package-announce/2011-August/063586.html
lists.fedoraproject.org / pipermail/package-announce/2011-August/063591.html
lists.opensuse.org / opensuse-security-announce/2011-11/msg00021.html
lists.opensuse.org / opensuse-security-announce/2011-11/msg00022.html
secunia.com / advisories/45086
Vendor Advisory
secunia.com / advisories/45574
secunia.com / advisories/48947
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/68335
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14794
mandriva.com / security/advisories
securityfocus.com / bid/48506
wireshark.org / security/wnpa-sec-2011-09.html
wireshark.org / security/wnpa-sec-2011-10.html
wireshark.org / security/wnpa-sec-2011-11.html