wireshark: Heap-based buffer over-read in Visual Networks dissector
Published Jun 6, 2011
4.3
MEDIUMCVSS 2.0
EPSS 2.10%
Description
Integer underflow in the visual_read function in wiretap/visual.c in Wireshark 1.2.x before 1.2.17 and 1.4.x before 1.4.7 allows remote attackers to cause a denial of service (application crash) via a malformed Visual Networks file that triggers a heap-based buffer over-read.
Affected products
No data.
Configuration 1
- 1.2
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.6
- 1.2.7
- 1.2.8
- 1.2.9
- 1.2.10
- 1.2.11
- 1.2.12
- 1.2.13
- 1.2.14
- 1.2.15
- 1.2.16
No data.
Red Hat Enterprise Linux 5
wireshark-0:1.0.15-5.el5
Fixed · RHSA-2013:0125
Red Hat Enterprise Linux 6
wireshark-0:1.2.15-2.el6_2.1
Fixed · RHSA-2012:0509
Red Hat Enterprise Linux 4
wireshark
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark-0:1.0.15-5.el5 | Fixed | RHSA-2013:0125 |
| Red Hat Enterprise Linux 6 | wireshark-0:1.2.15-2.el6_2.1 | Fixed | RHSA-2012:0509 |
| Red Hat Enterprise Linux 4 | wireshark | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.10% (0.02104) | 81.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.10% (0.02104) | 79.25th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.75% (0.01754) | 80.90th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.48% (0.03478) | 79.04th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.26% (0.01261) | 78.04th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.87% (0.00870) | 83.10th | v3 (v2023.03.01) |
| Feb 15, 2024 | 0.87% (0.00870) | 81.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.87% (0.00870) | 79.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.36% (0.04358) | 88.02th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.36% (0.04358) | 86.83th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.36% (0.04358) | 70.59th | v2 (v2022.01.01) |
References (22)
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=37128 x_refsource_CONFIRMPatch
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061290.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061437.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-June/061477.html vendor-advisoryx_refsource_FEDORA
- http://openwall.com/lists/oss-security/2011/05/31/20 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2011/06/01/1 mailing-listx_refsource_MLIST
- http://openwall.com/lists/oss-security/2011/06/01/11 mailing-listx_refsource_MLIST
- http://rhn.redhat.com/errata/RHSA-2013-0125.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/44449 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/44958 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/45149 third-party-advisoryx_refsource_SECUNIA
- http://secunia.com/advisories/48947 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2011/dsa-2274 vendor-advisoryx_refsource_DEBIAN
- http://www.securityfocus.com/bid/48066 vdb-entryx_refsource_BID
- http://www.wireshark.org/security/wnpa-sec-2011-07.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.wireshark.org/security/wnpa-sec-2011-08.html x_refsource_CONFIRMVendor Advisory
- https://access.redhat.com/security/cve/CVE-2011-2175 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=5934 x_refsource_CONFIRMExploit
- https://bugzilla.redhat.com/show_bug.cgi?id=710109 x_refsource_CONFIRMExploitPatchIssue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-2175
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14645 vdb-entrysignaturex_refsource_OVAL
- https://www.cve.org/CVERecord?id=CVE-2011-2175
Change history (0)
No recorded changes yet.