CVE-2014-8147

HIGH 7.5CVE-2014-8147 · Published 25/05/2015 · updated 17/06/2026

Package	Affected versions	Patched versions
international components for unicode icu-project	`< 55.1`	`55.1`

Description

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.

References

bugs.icu-project.org/trac/changeset/37080 · Issue Tracking
lists.apple.com/archives/security-announce/2015/Sep/msg00005.html · Mailing List
lists.apple.com/archives/security-announce/2015/Sep/msg00008.html · Mailing List
openwall.com/lists/oss-security/2015/05/05/6 · Mailing List
seclists.org/fulldisclosure/2015/May/14 · Exploit
debian.org/security/2015/dsa-3323 · Third Party Advisory
kb.cert.org/vuls/id/602540 · Third Party Advisory
oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html · Third Party Advisory
oracle.com/technetwork/topics/security/cpuoct2015-2367953.html · Patch
securityfocus.com/bid/74457 · Third Party Advisory
lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt · Exploit
security.gentoo.org/glsa/201507-04 · Third Party Advisory
support.apple.com/HT205213 · Third Party Advisory
support.apple.com/HT205267 · Third Party Advisory
oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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