CVE-2020-9983

Home/CVE/An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 14.0. Processing

CVE

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 14.0. Processing

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in Safari 14.0. Processing maliciously crafted web content may lead to code execution.

HIGH · CVSS 8.8 EPSS 0.01301

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-787Out-of-bounds Write

▤

Affected Products & Versions

apple icloudall versions
apple itunesall versions
apple safari< 14.0
apple ipados< 14.0
apple iphone os< 14.0
apple tvosall versions
apple watchosall versions
fedoraproject fedoraall versions

▣

Scoring & Timeline

8.8

HIGH · CVSS v3.1 · product-security@apple.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD16 Oct 2020 · 05:15 PM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

rhsaRHSA-2025:10364Important
rhsaRHSA-2021:1586Moderate
suse-csafSUSE-SU-2021:1990-1
suse-csafopenSUSE-SU-2020:2304-1
suse-csafopenSUSE-SU-2020:2310-1
Show all 8 vendor advisoriessuse-csafSUSE-SU-2020:3864-1
suse-csafSUSE-SU-2020:3867-1
usnUSN-4648-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://seclists.org/fulldisclosure/2020/Nov/18Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Nov/19Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Nov/20Mailing ListThird Party Advisory

http://seclists.org/fulldisclosure/2020/Nov/22Mailing ListThird Party Advisory

http://www.openwall.com/lists/oss-security/2020/11/23/3Mailing ListThird Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BY2OBQZFMEFZOSWXPXHPEHOJXXILEEX2/

Show all 15 references

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDGBNKYT7NMW7CJ26YFUPUHPJVYGV7IQ/

https://security.gentoo.org/glsa/202012-10Third Party Advisory

https://support.apple.com/HT211845Release NotesVendor Advisory

https://support.apple.com/kb/HT211843Vendor Advisory

https://support.apple.com/kb/HT211844Vendor Advisory

https://support.apple.com/kb/HT211850Vendor Advisory

https://support.apple.com/kb/HT211935Vendor Advisory

https://support.apple.com/kb/HT211952Vendor Advisory

https://www.debian.org/security/2020/dsa-4797Third Party Advisory

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