Is CVE-2010-0055 in the CISA KEV catalog?

No. CVE-2010-0055 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2010-0055?

CVE-2010-0055 has a CVSS v2 base score of 10.0 (HIGH).

What is the EPSS score for CVE-2010-0055?

CVE-2010-0055 has an EPSS score of 1.98% (78th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2010-0055?

Upgrade xar on debian 13 to 1.8.0.498-1 or later.

CVE & CISA-KEV Catalog

CVE-2010-0055

HIGHEPSS 78th pctl

10.0

CVSS v2

NVD

Description

xar in Apple Mac OS X 10.5.8 does not properly validate package signatures, which allows attackers to have an unspecified impact via a modified package.

How to fix

Remediation Available

xarDebian

Fixed in:1.8.0.498-1CVE-2010-0055

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

1.98%probability of exploitation in 30 days

78thpercentile

Elevated risk: more likely to be exploited than 78% of all known CVEs.

References

Patch2

Other references1

lists.fedoraproject.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.