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CVE-2012-1521

22
FAUCET Score

CVE-2012-1521 describes a use-after-free vulnerability in the XML parser of Google Chrome versions prior to 18.0.1025.168, also affecting various Apple products utilizing Chrome's rendering engine. This flaw allows remote attackers to trigger a denial of service or potentially achieve other unspecified impacts. With a CVSS score of 6.8, it is considered a medium-severity vulnerability, requiring medium attack complexity but potentially leading to partial confidentiality, integrity, and availability compromise. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
< 18.0.1025.168CPE matchmatch criteria
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
< 10.7CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
< 6.0CPE matchmatch criteria
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
< 6.0CPE matchmatch criteria
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.22%
Probability of exploitation in next 30 days
EPSS Percentile
80.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0222 is in the 69th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2012-1521Moderate

Webkitgtk: google chrome update [30-April-2012]

May 1, 2012

References

code.google.com / p/chromium/issues/detail
ExploitVendor Advisory
googlechromereleases.blogspot.com / 2012/04/stable-channel-update_30.html
Vendor Advisory
lists.apple.com / archives/security-announce/2012/Jul/msg00000.html
Mailing ListThird Party Advisory
lists.apple.com / archives/security-announce/2012/Sep/msg00001.html
Mailing ListThird Party Advisory
lists.apple.com / archives/security-announce/2012/Sep/msg00003.html
Mailing ListThird Party Advisory
osvdb.org / 81644
Broken Link
secunia.com / advisories/48992
Third Party Advisory
security.gentoo.org / glsa/glsa-201205-01.xml
Third Party Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/75270
Third Party AdvisoryVDB Entry
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15397
Third Party Advisory
support.apple.com / kb/HT5400
Third Party Advisory
support.apple.com / kb/HT5485
Third Party Advisory
support.apple.com / kb/HT5503
Third Party Advisory
securityfocus.com / bid/53309
Third Party AdvisoryVDB Entry
securitytracker.com / id
Third Party AdvisoryVDB Entry