CVE-2011-4599
Stack-based buffer overflow in the _canonicalize function in common/uloc.c in International Components for Unicode (ICU) before 49.1 allows remote attackers to execute arbitrary code via a crafted locale ID that is not properly handled during variant…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.91%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Stack-based buffer overflow in the _canonicalize function in common/uloc.c in International Components for Unicode (ICU) before 49.1 allows remote attackers to execute arbitrary code via a crafted locale ID that is not properly handled during variant canonicalization.
- CVSS 2.0
- 7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
- EPSS
- 7.91% probability · 95th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- icu-project/international components for unicode
- Source
- secalert@redhat.com
EPSS 7.9% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://bugs.icu-project.org/trac/ticket/8984Issue Tracking, Vendor Advisory
- http://code.google.com/p/chromium/issues/detail?id=106441Third Party Advisory
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.htmlMailing List, Third Party Advisory
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00035.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1815.htmlThird Party Advisory
- http://secunia.com/advisories/47146Permissions Required
- http://secunia.com/advisories/47227Permissions Required
- http://secunia.com/advisories/47674Permissions Required
- http://secunia.com/advisories/47714Permissions Required
- http://secunia.com/advisories/47775Permissions Required
- http://support.apple.com/kb/HT5501Third Party Advisory
- http://support.apple.com/kb/HT5503Third Party Advisory
- http://ubuntu.com/usn/usn-1348-1Third Party Advisory
- http://www.debian.org/security/2012/dsa-2397Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:194Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/12/09/2Mailing List
- http://www.openwall.com/lists/oss-security/2011/12/09/5Mailing List
- http://www.osvdb.org/77698Broken Link
- http://www.securityfocus.com/bid/51006Patch, Third Party Advisory, VDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71726VDB Entry
- http://bugs.icu-project.org/trac/ticket/8984Issue Tracking, Vendor Advisory
- http://code.google.com/p/chromium/issues/detail?id=106441Third Party Advisory
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00003.htmlMailing List, Third Party Advisory
- http://lists.apple.com/archives/security-announce/2012/Sep/msg00004.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-updates/2012-01/msg00035.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2011-1815.htmlThird Party Advisory
- http://secunia.com/advisories/47146Permissions Required
- http://secunia.com/advisories/47227Permissions Required
- http://secunia.com/advisories/47674Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.