Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial of service via packet injection or crafted capture file
Conclusion & alert: CVE-2025-1492 is rated Low Risk (36.7/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-31 | 0.03% | 0.05% | +0.03% |
| 2 | 2025-11-21 | 0.08% | 0.03% | -0.06% |
| 3 | 2025-11-18 | — | 0.08% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
high | CVE-2025-1492: 1 source package rows (wireshark); 7 state rows across 2 repos (3.22-community, edge-community); fixed 0, open 7. | https://security.alpinelinux.org/vuln/CVE-2025-1492 |
debian
|
unimportant | CVE-2025-1492 unimportant priority: Debian including 1 source packages (wireshark), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2025-1492 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-1492 |
suse
|
high | CVE-2025-1492 severity important: SUSE including 67 source package names (libvirt-11.0.0-150700.4.19.1, libvirt-client-11.0.0-150700.4.19.1, …), 228 product×package rows across 39 product lines (Image SLES15-SP6-SAP-Azure-LI-BYOS, Image SLES15-SP6-SAP-Azure-LI-BYOS-Production, … (39 product lines)): Known Not Affected 134, Fixed 94. | https://www.suse.com/security/cve/CVE-2025-1492/ |
ubuntu
|
medium | CVE-2025-1492 medium priority: Ubuntu including 1 source packages (wireshark), 10 status rows across 10 suites (bionic, focal, jammy, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 7, ignored 1, needed 1, released 1. | https://ubuntu.com/security/CVE-2025-1492 |
| URL | Tags |
|---|---|
| https://gitlab.com/wireshark/wireshark/-/issues/20373 | Issue Tracking |
| https://www.wireshark.org/security/wnpa-sec-2025-01.html | Vendor Advisory |