CVE-2025-31277

highKEV · exploitedEPSS 0.017 · 76 %ileexploit · PoCDEEURUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV · 1 exploit · PoC

Likely / severe?

1.66% (76th) EPSS

CVSS 8.8 · high

Is it mine?

70 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

added 2026-03-20remediate by 2026-04-03

required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

EPSS · scored 2026-10-20

Apple Multiple Products Buffer Overflow Vulnerability

The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing maliciously crafted web content may lead to memory corruption.

cvss

Technical severity, 0–10. One row per scoring source.

8.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.8highAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hsecondaryexploitability 2.8 · impact 5.9

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USCWE-119USCWE-120US

exploits (1)

Public proof-of-concept and weaponised exploit code.

stationedK-06/DarkSword_analysisStatic analysis of the DarkSword iOS WebKit exploit chain — delivery, staging, and CVE breakdown (CVE-2025-31277, CVE-2025-43529)PoC · poc_in_github

affected products (70)

Products and version ranges known to be affected.

Amazon Linux 2all versionscert_bundDEcpe:/o:amazon:linux_2:-
Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
Dell Avamarall versionscert_bundDEcpe:/a:dell:avamar:-
Dell NetWorkerall versionscert_bundDEcpe:/a:dell:networker:-
Open Source WebKitGTK <2.44.0all versionscert_bundDE
Open Source WebKitGTK <2.50.0all versionscert_bundDE
Oracle Linuxall versionscert_bundDEcpe:/o:oracle:linux:-
RESF Rocky Linuxall versionscert_bundDEcpe:/o:resf:rocky_linux:-
Red Hat Enterprise Linuxall versionscert_bundDEcpe:/o:redhat:enterprise_linux:-
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source WebKitGTK< 2.44.0cert_bundDE
Open Source WebKitGTK< 2.50.0cert_bundDE
Apple Safari0 → 18.6enisa_euvdEU
Apple iOS and iPadOS0 → 18.6enisa_euvdEU
Apple macOS0 → 15.6enisa_euvdEU
Apple tvOS0 → 18.6enisa_euvdEU
Apple visionOS0 → 2.6enisa_euvdEU
Apple watchOS0 → 11.6enisa_euvdEU
Canonical Ltd. Ubuntu≤ 25.10fstec_bduRU

showing 20 of 70

advisories (4)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1668Apple iOS und iPadOS: Mehrere SchwachstellenDeutsch2025-07-29csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apple iOS und Apple iPadOS ausnutzen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, um Sicherheitsvorkehrungen zu umgehen und um weitere, nicht spezifizierte Auswirkungen zu verursachen.
WID-SEC-W-2025-1672Apple macOS Sequoia, Sonoma und Ventura: Mehrere SchwachstellenDeutsch2025-07-29csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apple macOS Sequoia, Sonoma und Ventura ausnutzen, um Root-Rechte zu erlangen, beliebigen Code auszuführen, einen Denial-of-Service-Zustand herbeizuführen, vertrauliche Informationen preiszugeben, Daten zu verändern oder Sicherheitsmaßnahmen zu umgehen.
WID-SEC-W-2025-1683Apple Safari: Mehrere SchwachstellenDeutsch2025-07-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Apple Safari ausnutzen, um Informationen offenzulegen, um einen Denial of Service Angriff durchzuführen, um einen Cross-Site Scripting Angriff durchzuführen, und um Sicherheitsvorkehrungen zu umgehen.
WID-SEC-W-2026-0782WebKitGTK: Mehrere SchwachstellenDeutsch2026-03-18csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in WebKitGTK ausnutzen, um beliebigen Programmcode auszuführen, einen Denial-of-Service-Zustand auszulösen oder vertrauliche Informationen offenzulegen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund NVD CVE.org MITRE

published 2025-07-30modified 2026-07-15

references (38)

External citations — patches, advisories, analysis.

scry

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