HIGH
wireshark: Heap-based Buffer Overflow in packet-rtcp.c
Published May 22, 2018
7.5
HIGHCVSS 3.0
EPSS 3.06%
Description
In Wireshark 2.6.0, the RTCP dissector could crash. This was addressed in epan/dissectors/packet-rtcp.c by avoiding a buffer overflow for packet status chunks.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
wireshark
Not affected
Red Hat Enterprise Linux 6
wireshark
Not affected
Red Hat Enterprise Linux 7
wireshark
Not affected
Red Hat Enterprise Linux 8
wireshark
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 6 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 7 | wireshark | Not affected | n/a |
| Red Hat Enterprise Linux 8 | wireshark | Not affected | 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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
1 other source (Red Hat) ▾
5.9 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.06% 0.03056
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.03056
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (25 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 3.06% (0.03056) | 87.14th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.16% (0.03159) | 86.27th | v5 (v2026.06.15) |
| Sep 23, 2025 | 0.58% (0.00583) | 68.05th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.80% (0.01804) | 81.18th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.29% (0.04285) | 81.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.80% (0.01797) | 81.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.35% (0.00353) | 72.81th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.35% (0.00353) | 71.16th | v3 (v2023.03.01) |
| Jan 9, 2024 | 0.35% (0.00353) | 68.97th | v3 (v2023.03.01) |
| Nov 22, 2023 | 0.37% (0.00373) | 69.67th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.32% (0.00321) | 67.27th | v3 (v2023.03.01) |
| Oct 13, 2023 | 0.31% (0.00314) | 66.77th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.45% (0.00449) | 71.60th | v3 (v2023.03.01) |
| Jun 20, 2023 | 0.63% (0.00633) | 76.13th | v3 (v2023.03.01) |
| May 16, 2023 | 0.90% (0.00897) | 80.36th | v3 (v2023.03.01) |
| May 8, 2023 | 0.78% (0.00775) | 78.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.55% (0.00550) | 73.97th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.11% (0.01108) | 29.61th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.45% (0.01454) | 32.67th | v1 |
| Jan 6, 2022 | 1.45% (0.01454) | 31.96th | v1 |
| Sep 1, 2021 | 1.45% (0.01454) | 71.88th | v1 |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
Weaknesses (2)
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html vendor-advisoryx_refsource_SUSE
- http://www.securityfocus.com/bid/104308 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1041036 vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry
- https://access.redhat.com/security/cve/CVE-2018-11355 Vendor Advisory
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14673 x_refsource_CONFIRMIssue TrackingVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1581758 Issue Tracking
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=99d27a5fd2c540f837154aca3b3647f5ccfa0c33 x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2018-11355
- https://www.cve.org/CVERecord?id=CVE-2018-11355
- https://www.wireshark.org/security/wnpa-sec-2018-27.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html | vendor-advisoryx_refsource_SUSE | |
| http://www.securityfocus.com/bid/104308 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1041036 | vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/security/cve/CVE-2018-11355 | Vendor Advisory | |
| https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14673 | x_refsource_CONFIRMIssue TrackingVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1581758 | Issue Tracking | |
| https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=99d27a5fd2c540f837154aca3b3647f5ccfa0c33 | x_refsource_CONFIRM | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-11355 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-11355 | ||
| https://www.wireshark.org/security/wnpa-sec-2018-27.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 22, 2018
Updated Aug 5, 2024
Reserved May 21, 2018
Link CVE-2018-11355
CISA Vulnrichment
Updated n/a