How severe is CVE-2022-24963?

CVE-2022-24963 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-24963 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-24963?

CVE-2022-24963 affects Apache Portable Runtime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-24963?

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

When was CVE-2022-24963 published?

CVE-2022-24963 was published on 2023-01-31 and last updated on 2026-06-17.

CVE-2022-24963

CVE-2022-24963 is a critical-severity vulnerability in Apache Portable Runtime with a CVSS 3.x base score of 9.8. 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Apache Portable Runtime
Published: 2023-01-31
Last modified: 2026-06-17

Description

Integer Overflow or Wraparound vulnerability in apr_encode functions of Apache Portable Runtime (APR) allows an attacker to write beyond bounds of a buffer. This issue affects Apache Portable Runtime (APR) version 1.7.0.

Frequently asked questions

What is CVE-2022-24963?: Integer Overflow or Wraparound vulnerability in apr_encode functions of Apache Portable Runtime (APR) allows an attacker to write beyond bounds of a buffer. This issue affects Apache Portable Runtime (APR) version 1.7.0.
How severe is CVE-2022-24963?: CVE-2022-24963 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-24963 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-24963?: CVE-2022-24963 affects Apache Portable Runtime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-24963?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-24963 published?: CVE-2022-24963 was published on 2023-01-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:portable_runtime:1.7.0:*:*:*:*:*:*:*

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