How severe is CVE-2012-2098?

CVE-2012-2098 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-2098 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2098?

CVE-2012-2098 affects Apache Commons Compress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-2098?

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

When was CVE-2012-2098 published?

CVE-2012-2098 was published on 2012-06-29 and last updated on 2026-06-16.

CVE-2012-2098

CVE-2012-2098 is a medium-severity vulnerability in Apache Commons Compress with a CVSS 2.0 base score of 5.0. Its EPSS exploit-prediction score of 13% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-310.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 13% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Apache Commons Compress
Published: 2012-06-29
Last modified: 2026-06-16

Description

Algorithmic complexity vulnerability in the sorting algorithms in bzip2 compressing stream (BZip2CompressorOutputStream) in Apache Commons Compress before 1.4.1 allows remote attackers to cause a denial of service (CPU consumption) via a file with many repeating inputs.

Frequently asked questions

What is CVE-2012-2098?: Algorithmic complexity vulnerability in the sorting algorithms in bzip2 compressing stream (BZip2CompressorOutputStream) in Apache Commons Compress before 1.4.1 allows remote attackers to cause a denial of service (CPU consumption) via a file with many repeating inputs.
How severe is CVE-2012-2098?: CVE-2012-2098 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-2098 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 13% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2098?: CVE-2012-2098 affects Apache Commons Compress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-2098?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2098 published?: CVE-2012-2098 was published on 2012-06-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:apache:commons_compress:*:*:*:*:*:*:*:*

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