CVE-2011-1344
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2...
CVE-2011-1344 is a medium vulnerability (CVSS 6.8) in Apple Safari, published March 10, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.13%, the 93rd percentile. No source names a fixed version.
- Severity
- 6.8 MediumCVSS 2.0, NVD
- Exploit chance
- 6.13%EPSS, 93rd percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
qtwebkit-sourceUbuntu:16.04:LTS | All versions, plus listed versions 2.3.2-0ubuntu102.3.2-0ubuntu11 | None known |
What each source reports
NVD Score used
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
- Record
CVE-2011-1344- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE ListNo score
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
- Record
CVE-2011-1344- Updated
- 2026-11-02
EUVDEUVD-2011-1351No score
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
- Record
EUVD-2011-1351- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-x46j-m9hq-6vwmNo score
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2...
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
- Record
GHSA-x46j-m9hq-6vwm- Updated
- 2026-11-02
OSVUBUNTU-CVE-2011-1344No score
Use-after-free vulnerability in WebKit, as used in Apple Safari before 5.0.5; iOS before 4.3.2 for iPhone, iPod, and iPad; iOS before 4.2.7 for iPhone 4 (CDMA); and possibly other products allows remote attackers to execute arbitrary code by adding children to a WBR tag and then removing the tag, related to text nodes, as demonstrated by Chaouki Bekrar during a Pwn2Own competition at CanSecWest 2011.
- Record
UBUNTU-CVE-2011-1344- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
secunia.com/advisories/44151
securityfocus.com/archive/1/517517/100/0/threaded
twitter.com/aaronportnoy/statuses/45632544967901187
support.apple.com/kb/HT4596
lists.apple.com/archives/security-announce/2011//Apr/msg00002.html
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securitytracker.com/id?1025363
zerodayinitiative.com/advisories/ZDI-11-135
vupen.com/english/advisories/2011/0984
dvlabs.tippingpoint.com/blog/2011/02/02/pwn2own-2011
exchange.xforce.ibmcloud.com/vulnerabilities/66061
zdnet.com/blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358
computerworld.com/s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
nvd.nist.gov/vuln/detail/CVE-2011-1344
github.com/advisories/GHSA-x46j-m9hq-6vwm
ubuntu.com/security/CVE-2011-1344
cve.org/CVERecord?id=CVE-2011-1344