Is CVE-2026-42250 in the CISA KEV catalog?

No. CVE-2026-42250 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the EPSS score for CVE-2026-42250?

CVE-2026-42250 has an EPSS score of 0.13% (3th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42250?

Upgrade bzip2 on rocky 8 to main@x86_64 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-42250

UNSCORED

NVD

Description

bzip2 contains an off‑by‑one error in the bzip2recover utility. When processing a specially crafted file, the application performs an out‑of‑bounds write to a global buffer, resulting in memory corruption and a crash (denial of service). This issue was fixed in bzip2 patch 35d122a3df8b0cc4082a4d89fdc6ee99f375fe67

CWE-787Out-of-bounds Write

How to fix

Remediation Available

bzip2Rocky

Fixed in:main@x86_64RHSA-2026:30268

Fixed in:main@srcRHSA-2026:30268

Fixed in:main@aarch64RHSA-2026:30268

bzip2Red Hat / RHEL

Fixed in:main@x86_64RHSA-2026:30268

Fixed in:main@srcRHSA-2026:30268

Fixed in:main@aarch64RHSA-2026:30268

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

CVSS v3.1 Vector

No CVSS vector data available.

Exploit Intelligence

0.13%probability of exploitation in 30 days

3rdpercentile

Low risk: more likely to be exploited than 3% of all known CVEs.

References

Other references4

Related Vulnerabilities

Other CWE-787 (Out-of-bounds Write) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2025-22457	Critical	9.0	100%	KEV + Ransom	Fix
CVE-2025-0282	Critical	9.0	100%	KEV + Ransom	-
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2021-20038	Critical	9.8	100%	KEV + Ransom	-
CVE-2023-4863	High	8.8	100%	KEV	Fix
CVE-2020-16040	Medium	6.5	100%	-	Fix

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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 2026-06-05.