CVE-2025-43504

mediumpriority · track · 10EPSS 0.004 · 31 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.37% (31st) EPSS

CVSS 4.9 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

A buffer overflow was addressed with improved bounds checking. This issue is fixed in Xcode 26.1. A user in a privileged network position may be able to cause a denial-of-service.

cvss

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

4.9

010

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

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · ENISA EU

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondaryexploitability 1.2 · impact 3.6

v3.14.7mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119US

exploits (1)

Public proof-of-concept and weaponised exploit code.

calysteon/CVE-2025-43504calysteon/CVE-2025-43504PoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

Apple Xcode <26.1all versionscert_bundDE
Apple Xcode< 26.1cert_bundDE
Apple Xcode0 → 26.1enisa_euvdEU
apple xcode< 26.1nvdUScpe:2.3:a:apple:xcode:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2481Apple Xcode: Mehrere SchwachstellenDeutsch2025-11-03csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Apple Xcode ausnutzen, um einen Denial of Service Angriff durchzuführen oder beliebigen Code auszuführen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2025-11-04modified 2026-10-18

references (3)

External citations — patches, advisories, analysis.

https://support.apple.com/en-us/125641 cnnvd
https://support.apple.com/en-us/125641 enisa_euvd
https://support.apple.com/en-us/125641Release NotesVendor Advisorynvd

scry

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