Integer underflow in the visual_read function in wiretap/visual.c in Wireshark 1.2.x…
Priority LOW 24CWE-189Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Partial Red Hat: 9 fixed, 1 without a fix
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-189 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.02104 81st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 9 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 25
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:1.2:*:*:*:*:*:*:* | 1.2 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:* | 1.2.0 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:* | 1.2.1 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:* | 1.2.2 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:* | 1.2.3 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:* | 1.2.4 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.5:*:*:*:*:*:*:* | 1.2.5 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.6:*:*:*:*:*:*:* | 1.2.6 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.7:*:*:*:*:*:*:* | 1.2.7 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.8:*:*:*:*:*:*:* | 1.2.8 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:1.2:*:*:*:*:*:*:* Versions 1.2 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.0:*:*:*:*:*:*:* Versions 1.2.0 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.1:*:*:*:*:*:*:* Versions 1.2.1 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.2:*:*:*:*:*:*:* Versions 1.2.2 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.3:*:*:*:*:*:*:* Versions 1.2.3 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.4:*:*:*:*:*:*:* Versions 1.2.4 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.5:*:*:*:*:*:*:* Versions 1.2.5 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.6:*:*:*:*:*:*:* Versions 1.2.6 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.7:*:*:*:*:*:*:* Versions 1.2.7 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.8:*:*:*:*:*:*:* Versions 1.2.8 Vulnerable ·Wireshark Foundation
Show 15 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:1.2.9:*:*:*:*:*:*:* | 1.2.9 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.10:*:*:*:*:*:*:* | 1.2.10 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.11:*:*:*:*:*:*:* | 1.2.11 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.12:*:*:*:*:*:*:* | 1.2.12 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.13:*:*:*:*:*:*:* | 1.2.13 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.14:*:*:*:*:*:*:* | 1.2.14 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.15:*:*:*:*:*:*:* | 1.2.15 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.2.16:*:*:*:*:*:*:* | 1.2.16 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:* | 1.4.0 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:* | 1.4.1 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:* | 1.4.2 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:* | 1.4.3 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:* | 1.4.4 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:* | 1.4.5 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:1.4.6:*:*:*:*:*:*:* | 1.4.6 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:1.2.9:*:*:*:*:*:*:* Versions 1.2.9 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.10:*:*:*:*:*:*:* Versions 1.2.10 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.11:*:*:*:*:*:*:* Versions 1.2.11 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.12:*:*:*:*:*:*:* Versions 1.2.12 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.13:*:*:*:*:*:*:* Versions 1.2.13 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.14:*:*:*:*:*:*:* Versions 1.2.14 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.15:*:*:*:*:*:*:* Versions 1.2.15 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.2.16:*:*:*:*:*:*:* Versions 1.2.16 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.0:*:*:*:*:*:*:* Versions 1.4.0 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.1:*:*:*:*:*:*:* Versions 1.4.1 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.2:*:*:*:*:*:*:* Versions 1.4.2 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.3:*:*:*:*:*:*:* Versions 1.4.3 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.4:*:*:*:*:*:*:* Versions 1.4.4 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.5:*:*:*:*:*:*:* Versions 1.4.5 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:1.4.6:*:*:*:*:*:*:* Versions 1.4.6 Vulnerable ·Wireshark Foundation
Remediation
Red Hat 2 advisories
- RHSA-2013:0125 Released 2013-01-08 · Red Hat rating Moderatewireshark security, bug fix, and enhancement update
- Red Hat Enterprise Linux (v. 5 server) wireshark-1.0.15-5.el5, wireshark-1.0.15-5.el5.i386, wireshark-1.0.15-5.el5.ia64 +5
- Red Hat Enterprise Linux Desktop (v. 5 client) wireshark-1.0.15-5.el5, wireshark-1.0.15-5.el5.i386
- Red Hat Enterprise Linux Desktop Workstation (v. 5 client) wireshark-1.0.15-5.el5, wireshark-gnome-1.0.15-5.el5, wireshark-gnome-1.0.15-5.el5.i386
- RHSA-2012:0509 Released 2012-04-23 · Red Hat rating Moderatewireshark security update
- Red Hat Enterprise Linux Desktop (v. 6) wireshark-1.2.15-2.el6_2.1
- Red Hat Enterprise Linux Desktop Optional (v. 6) wireshark-1.2.15-2.el6_2.1, wireshark-devel-1.2.15-2.el6_2.1, wireshark-gnome-1.2.15-2.el6_2.1
- Red Hat Enterprise Linux Server (v. 6) wireshark-1.2.15-2.el6_2.1, wireshark-1.2.15-2.el6_2.1.ppc
- Red Hat Enterprise Linux Server Optional (v. 6) wireshark-1.2.15-2.el6_2.1, wireshark-devel-1.2.15-2.el6_2.1, wireshark-devel-1.2.15-2.el6_2.1.ppc +1
- Red Hat Enterprise Linux Workstation (v. 6) wireshark-1.2.15-2.el6_2.1
- Red Hat Enterprise Linux Workstation Optional (v. 6) wireshark-1.2.15-2.el6_2.1, wireshark-devel-1.2.15-2.el6_2.1, wireshark-gnome-1.2.15-2.el6_2.1
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 4 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2013:0125 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2013:0125 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2012:0509 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2012:0509 |
| Red Hat Enterprise Linux Desktop Workstation (v. 5 client) | Fixed | RHSA-2013:0125 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2012:0509 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2012:0509 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2012:0509 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2012:0509 |
Timeline
- 2026-10-02 Threatist record created from CVE-2011-2175
- 2026-10-03 Alias added: GHSA-4qqg-m5c4-9c3g
References
Exploit 2
Patch 2
Advisory 6
More Wireshark Foundation Wireshark vulnerabilities
- TI-2026-53718 Heap-based Buffer Overflow in Wireshark CVSS 3.1CRITICAL 9.8
- TI-2026-63612 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.8
- TI-2024-16149 A buffer overflow in Wireshark before 4.2.0 allows a remote attacker to cause a denial of… CVSS 3.1HIGH 7.5
- TI-2010-00291 Multiple buffer overflows in the LWRES dissector in Wireshark 0.9.15 through 1.0.10 and… CVSS 2.0HIGH 7.5
- TI-2026-63614 Heap-based Buffer Overflow in Wireshark CVSS 3.1HIGH 8.1
- TI-2014-01823 Buffer overflow in the mpeg_read function in wiretap/mpeg.c in the MPEG parser in… CVSS 2.0HIGH 9.3
Sources
- CVE-2011-2175 · CVE Program
- CVE-2011-2175 · NVD
- FIRST EPSS
- GHSA-4qqg-m5c4-9c3g · GitHub Advisory Database · CC BY 4.0
- CVE-2011-2175 · Red Hat security data · CC BY 4.0
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