How severe is CVE-2015-6783?

CVE-2015-6783 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-6783 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6783?

CVE-2015-6783 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-6783?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-6783 published?

CVE-2015-6783 was published on 2015-12-06 and last updated on 2026-06-17.

CVE-2015-6783

CVE-2015-6783 is a medium-severity vulnerability in Google Android with a CVSS 2.0 base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Google Android
Published: 2015-12-06
Last modified: 2026-06-17

Description

The FindStartOffsetOfFileInZipFile function in crazy_linker_zip.cpp in crazy_linker (aka Crazy Linker) in Android 5.x and 6.x, as used in Google Chrome before 47.0.2526.73, improperly searches for an EOCD record, which allows attackers to bypass a signature-validation requirement via a crafted ZIP archive.

Frequently asked questions

What is CVE-2015-6783?: The FindStartOffsetOfFileInZipFile function in crazy_linker_zip.cpp in crazy_linker (aka Crazy Linker) in Android 5.x and 6.x, as used in Google Chrome before 47.0.2526.73, improperly searches for an EOCD record, which allows attackers to bypass a signature-validation requirement via a crafted ZIP archive.
How severe is CVE-2015-6783?: CVE-2015-6783 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-6783 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6783?: CVE-2015-6783 primarily affects Google Android. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6783?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-6783 published?: CVE-2015-6783 was published on 2015-12-06 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:google:android:5.0:*:*:*:*:*:*:*
cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*

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