8.8
CVE-2026-4892
- EPSS 0.81%
- Veröffentlicht 11.05.2026 18:16:41
- Zuletzt bearbeitet 23.07.2026 12:18:24
- CVE-Watchlists
- Unerledigt
CVE-2026-4892
A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet.
Daten sind bereitgestellt durch das CVE Programm von Authorized Data Publishers (ADP) (Unstrukturiert)
HerstellerRed Hat
≫
Produkt
Red Hat Enterprise Linux 10
Default Statusaffected
Version
0:2.90-7.el10_2
Version <
*
Status
unaffected
HerstellerRed Hat
≫
Produkt
Red Hat Enterprise Linux 8
Default Statusaffected
Version
0:2.79-36.el8_10
Version <
*
Status
unaffected
HerstellerRed Hat
≫
Produkt
Red Hat Enterprise Linux 9
Default Statusaffected
Version
0:2.85-18.el9_8.1
Version <
*
Status
unaffected
HerstellerRed Hat
≫
Produkt
Red Hat Enterprise Linux 9.6 Extended Update Support
Default Statusaffected
Version
0:2.85-17.el9_6.1
Version <
*
Status
unaffected
HerstellerRed Hat
≫
Produkt
Red Hat OpenShift Container Platform 4.19
Default Statusaffected
Version
4.19.9.6.202607151909-0
Version <
*
Status
unaffected
HerstellerRed Hat
≫
Produkt
Red Hat Enterprise Linux 6
Default Statusaffected
HerstellerRed Hat
≫
Produkt
Red Hat Enterprise Linux 7
Default Statusaffected
VulnDex Vulnerability Enrichment
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.81% | 0.525 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| CISA-ADP | 8.4 | 2.5 | 5.9 |
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
| 0b0ca135-0b70-47e7-9f44-1890c2a1c46c | 8.8 | 2.8 | 5.9 |
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
|
CWE-122 Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
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https://www.kb.cert.org/vuls/id/471747
https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2026q2/018471.html
https://bugzilla.redhat.com/show_bug.cgi?id=2458518
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4892.json
https://github.com/NixOS/nixpkgs/pull/519082
https://github.com/NixOS/nixpkgs/pull/519093
https://github.com/pi-hole/FTL/releases/tag/v6.6.2
https://thekelleys.org.uk/dnsmasq/CVE/
https://access.redhat.com/errata/RHSA-2026:19158
https://access.redhat.com/errata/RHSA-2026:19373
https://access.redhat.com/errata/RHSA-2026:20589
https://access.redhat.com/errata/RHSA-2026:34508
https://access.redhat.com/security/cve/CVE-2026-4892
https://access.redhat.com/errata/RHSA-2026:40762