# Multiple memory corruption issues were addressed with improved memory handling.

CVE record · `CVE-2019-8763`

- **Identifiers:** `CVE-2019-8763`
- **State:** Confirmed
- **Severity:** No CVSS score
- **Critical:** No
- **CNA:** apple
- **Technologies:** [Apple iOS](https://agentprime.io/advisories/technology/apple-ios.md) · [Apple tvOS](https://agentprime.io/advisories/technology/apple-tvos.md) · [Apple Safari](https://agentprime.io/advisories/technology/apple-safari.md) · [Apple iTunes for Windows](https://agentprime.io/advisories/technology/apple-itunes-for-windows.md) · [Apple iCloud for Windows](https://agentprime.io/advisories/technology/apple-icloud-for-windows.md) · [Apple iCloud for Windows (Legacy)](https://agentprime.io/advisories/technology/apple-icloud-for-windows-legacy.md)
- **Published:** 18 Dec 2019
- **Updated:** 4 Aug 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: apple) at 18 Dec 2019, 17:33 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: Apple. Product: iOS.
  - affected: `unspecified to before iOS 13.1 and iPadOS 13.1` (custom)
- Vendor: Apple. Product: tvOS.
  - affected: `unspecified to before tvOS 13` (custom)
- Vendor: Apple. Product: Safari.
  - affected: `unspecified to before Safari 13.0.1` (custom)
- Vendor: Apple. Product: iTunes for Windows.
  - affected: `unspecified to before iTunes for Windows 12.10.1` (custom)
- Vendor: Apple. Product: iCloud for Windows.
  - affected: `unspecified to before iCloud for Windows 10.7` (custom)
- Vendor: Apple. Product: iCloud for Windows (Legacy).
  - affected: `unspecified to before iCloud for Windows 7.14` (custom)

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

No source has published a CVSS score for this record yet.

- **CISA KEV:** Not listed.
- **EPSS:** 0.019, the 79th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 18 Dec 2019. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2019-8763](https://www.cve.org/CVERecord?id=CVE-2019-8763)
- [NVD: CVE-2019-8763](https://nvd.nist.gov/vuln/detail/CVE-2019-8763)

### References from the CNA

- <https://support.apple.com/HT210635>
- <https://support.apple.com/HT210636>
- <https://support.apple.com/HT210637>
- <https://security.gentoo.org/glsa/202003-22> (vendor-advisory, gentoo)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2019-8763>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2019-8763/>. Everything for agents: <https://agentprime.io/llms.txt>.