Access of Uninitialized Pointer in Wireshark
Priority LOW 35CWE-824Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 12 fixed, 2 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-824 and the CVSS impact.
Summary
Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00127 2nd percentileScored 2026-11-07
Fix Partial Wireshark (Wireshark Foundation): 4.4.11Red Hat: 7 advisoriesRed Hat: 12 fixed, 2 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Wireshark Foundation | Wireshark | 4.6.0; 4.4.0 to before 4.4.11 | 4.4.11 | Patch available | CNA |
- Wireshark VendorWireshark Foundation Affected 4.6.0; 4.4.0 to before 4.4.11 Fixed in 4.4.11 Patch available CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* | 4.4.0 to before 4.4.11 | Vulnerable | Wireshark Foundation |
| cpe:2.3:a:wireshark:wireshark:4.6.0:-:*:*:*:*:*:* | 4.6.0 | Vulnerable | Wireshark Foundation |
- cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:* Versions 4.4.0 to before 4.4.11 Vulnerable ·Wireshark Foundation
- cpe:2.3:a:wireshark:wireshark:4.6.0:-:*:*:*:*:*:* Versions 4.6.0 Vulnerable ·Wireshark Foundation
Remediation
- Fix · CNA Wireshark (Wireshark Foundation) Fixed in 4.4.11
Red Hat 7 advisories
- RHSA-2026:0483 Released 2026-01-12 · Red Hat rating Importantwireshark security update
- Red Hat Enterprise Linux AppStream EUS (v. 10.0) wireshark-1:4.4.2-3.el10_0.1, wireshark-cli-1:4.4.2-3.el10_0.1
- Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) wireshark-devel-1:4.4.2-3.el10_0.1
- RHSA-2026:0454 Released 2026-01-12 · Red Hat rating Importantwireshark security update
- Red Hat CodeReady Linux Builder EUS (v.9.6) wireshark-devel-1:3.4.10-7.el9_6.1
- Red Hat Enterprise Linux AppStream EUS (v.9.6) wireshark-1:3.4.10-7.el9_6.1, wireshark-cli-1:3.4.10-7.el9_6.1
- RHSA-2026:0452 Released 2026-01-12 · Red Hat rating Importantwireshark security update
- Red Hat Enterprise Linux AppStream E4S (v.9.2) wireshark-1:3.4.10-4.el9_2.1, wireshark-cli-1:3.4.10-4.el9_2.1
Show 4 more Red Hat advisories
- RHSA-2026:0432 Released 2026-01-12 · Red Hat rating Importantwireshark security update
- Red Hat CodeReady Linux Builder EUS (v.9.4) wireshark-devel-1:3.4.10-6.el9_4.1
- Red Hat Enterprise Linux AppStream EUS (v.9.4) wireshark-1:3.4.10-6.el9_4.1, wireshark-cli-1:3.4.10-6.el9_4.1
- RHSA-2026:0433 Released 2026-01-12 · Red Hat rating Importantwireshark security update
- Red Hat Enterprise Linux AppStream E4S (v.9.0) wireshark-1:3.4.10-1.el9_0.1, wireshark-cli-1:3.4.10-1.el9_0.1
- RHSA-2025:23142 Released 2025-12-11 · Red Hat rating Importantwireshark security update
- Red Hat Enterprise Linux AppStream (v. 9) wireshark-1:3.4.10-8.el9_7.1, wireshark-cli-1:3.4.10-8.el9_7.1
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) wireshark-devel-1:3.4.10-8.el9_7.1
- RHSA-2025:23083 Released 2025-12-10 · Red Hat rating Importantwireshark security update
- Red Hat Enterprise Linux AppStream (v. 10) wireshark-1:4.4.2-4.el10_1.1, wireshark-cli-1:4.4.2-4.el10_1.1
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) wireshark-devel-1:4.4.2-4.el10_1.1
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder EUS (v.9.4) | Fixed | RHSA-2026:0432 |
| Red Hat CodeReady Linux Builder EUS (v.9.6) | Fixed | RHSA-2026:0454 |
| Red Hat Enterprise Linux AppStream (v. 10) | Fixed | RHSA-2025:23083 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:23142 |
| Red Hat Enterprise Linux AppStream E4S (v.9.0) | Fixed | RHSA-2026:0433 |
| Red Hat Enterprise Linux AppStream E4S (v.9.2) | Fixed | RHSA-2026:0452 |
| Red Hat Enterprise Linux AppStream EUS (v. 10.0) | Fixed | RHSA-2026:0483 |
| Red Hat Enterprise Linux AppStream EUS (v.9.4) | Fixed | RHSA-2026:0432 |
| Red Hat Enterprise Linux AppStream EUS (v.9.6) | Fixed | RHSA-2026:0454 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 10) | Fixed | RHSA-2025:23083 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:23142 |
| Red Hat Enterprise Linux CodeReady Linux Builder EUS (v. 10.0) | Fixed | RHSA-2026:0483 |
Not affected: 1 product
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2025-13499
- 2026-10-03 Alias added: GHSA-6fqw-rh3v-4vph
References
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-2025-13499 · CVE Program
- CVE-2025-13499 · NVD
- FIRST EPSS
- GHSA-6fqw-rh3v-4vph · GitHub Advisory Database · CC BY 4.0
- CVE-2025-13499 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences