CVE-2010-0050

high

Published 2010-03-15 · Modified 2026-04-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

8.8

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

Description

Use-after-free vulnerability in WebKit in Apple Safari before 4.0.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via an HTML document with improperly nested tags.

Predictions

Exploit likelihood

92%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-12425 dos windows verified

Dr_IDE · 2010-04-27

Webkit (Apple Safari 4.0.5) - Blink Tag Stack Exhaustion Denial of Service

Source code queued for fetch — refresh in a moment.

OS impact

Fedora Affected 3 releases

Version	Status	Fixed in
13	Affected	—
12	Affected	—
11	Affected	—

macOS Affected 1 release

Version	Status	Fixed in
—	Affected	`4.0`

SUSE Affected 2 releases

Version	Status	Fixed in
11.3	Affected	—
11.2	Affected	—

Ubuntu Affected 3 releases

Version	Status	Fixed in
10.10	Affected	—
10.04	Affected	—
9.10	Affected	—

Application impact

Vendor	Product	Versions	Fixed
apple	safari	`{"endExcluding":"4.0.5"}`	`4.0.5`

References

CWEs

CWE-416

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.