How severe is CVE-2017-7868?

CVE-2017-7868 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-7868 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-7868?

CVE-2017-7868 primarily affects Icu-project International Components For Unicode. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-7868?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-7868 published?

CVE-2017-7868 was published on 2017-04-14 and last updated on 2026-06-17.

CVE-2017-7868

CVE-2017-7868 is a high-severity vulnerability in Icu-project International Components For Unicode with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Icu-project International Components For Unicode
Published: 2017-04-14
Last modified: 2026-06-17

Description

International Components for Unicode (ICU) for C/C++ before 2017-02-13 has an out-of-bounds write caused by a heap-based buffer overflow related to the utf8TextAccess function in common/utext.cpp and the utext_moveIndex32* function.

Frequently asked questions

What is CVE-2017-7868?: International Components for Unicode (ICU) for C/C++ before 2017-02-13 has an out-of-bounds write caused by a heap-based buffer overflow related to the utf8TextAccess function in common/utext.cpp and the utext_moveIndex32* function.
How severe is CVE-2017-7868?: CVE-2017-7868 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-7868 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-7868?: CVE-2017-7868 primarily affects Icu-project International Components For Unicode. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-7868?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-7868 published?: CVE-2017-7868 was published on 2017-04-14 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:icu-project:international_components_for_unicode:*:*:*:*:*:c\/c\+\+:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

More vulnerabilities in Icu-project International Components For Unicode

CVE-2015-5922 — Critical (CVSS 10.0): Unspecified vulnerability in International Components for Unicode (ICU) before 53.1.0, as used in Apple OS X before…
CVE-2018-18928 — Critical (CVSS 9.8): International Components for Unicode (ICU) for C/C++ 63.1 has an integer overflow in…
CVE-2017-17484 — Critical (CVSS 9.8): The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International Components for Unicode (ICU) for C/C++ through 60.1…
CVE-2017-14952 — Critical (CVSS 9.8): Double free in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++ through 59.1 allows remote…
CVE-2014-9654 — Critical (CVSS 9.8): The Regular Expressions package in International Components for Unicode (ICU) for C/C++ before 2014-12-03, as used in…
CVE-2014-9911 — Critical (CVSS 9.8): Stack-based buffer overflow in the ures_getByKeyWithFallback function in common/uresbund.cpp in International…

All CVEs affecting Icu-project International Components For Unicode →

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