CVE-2011-1344 json
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…
published 2011-03-10 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-1351
- cvss
- 6.8
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.1%
- EPSS 6.1% chance of exploitation in 30 days, percentile 93%
- public exploits
- 0
- none known
Summary
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 prediction
6.13% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-399 Resource Management Errors
References
-
lists.apple.com
/archives/security-announce/2011//Apr/msg00002.html
vendor-advisory
-
lists.apple.com
/archives/security-announce/2011//Apr/msg00001.html
vendor-advisory
-
lists.apple.com
/archives/security-announce/2011//Apr/msg00000.html
vendor-advisory
-
secunia.com
/advisories/44151
third-party-advisory
-
securityfocus.com
/archive/1/517517/100/0/threaded
mailing-list
- twitter.com /aaronportnoy/statuses/45632544967901187
-
securityfocus.com
/bid/46822
vdb-entry
- support.apple.com /kb/HT4596
-
securitytracker.com
/id?1025363
vdb-entry
- zerodayinitiative.com /advisories/ZDI-11-135
-
vupen.com
/english/advisories/2011/0984
vdb-entry
- dvlabs.tippingpoint.com /blog/2011/02/02/pwn2own-2011
-
securityfocus.com
/archive/1/517505/100/0/threaded
mailing-list
- support.apple.com /kb/HT4607
-
exchange.xforce.ibmcloud.com
/vulnerabilities/66061
vdb-entry
- zdnet.com /blog/security/safarimacbook-first-to-fall-at-pwn2own-2011/8358
- computerworld.com /s/article/9214002/Safari_IE_hacked_first_at_Pwn2Own
-
secunia.com
/advisories/44154
third-party-advisory
Sources
- CVE List CVE-2011-1344
- NVD CVE-2011-1344
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.