CVE-2009-1236 describes a critical heap-based buffer overflow in the AppleTalk networking stack of Apple Mac OS X 10.5.6 and earlier (XNU 1228.3.13 and earlier). This vulnerability allows an unauthenticated, remote attacker to cause a denial of service, specifically a system crash, by sending a specially crafted ZIP NOTIFY packet. With a CVSS score of 10.0, this vulnerability is highly severe, indicating a network-based attack with low complexity and complete impact on confidentiality, integrity, and availability. The exploit intelligence shows a proof-of-concept (PoC) exploit available on ExploitDB, but it is not listed in CISA's KEV catalog, suggesting it is not currently under active widespread exploitation. Despite the high severity and available PoC, there is no evidence of active exploitation in the wild, and community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 10.5.6CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.0:*:*:*:*:*:*:* | ||
10.0.0CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.0.0:*:*:*:*:*:*:* | ||
10.0.1CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.0.1:*:*:*:*:*:*:* | ||
10.0.2CPE matchmatch criteria | cpe:2.3:o:apple:mac_os_x:10.0.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.