How severe is CVE-2019-12412?

CVE-2019-12412 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-12412 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12412?

CVE-2019-12412 affects Apache Libapreq2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12412?

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

When was CVE-2019-12412 published?

CVE-2019-12412 was published on 2020-11-19 and last updated on 2026-06-17.

CVE-2019-12412

CVE-2019-12412 is a high-severity vulnerability in Apache Libapreq2 with a CVSS 3.x base score of 7.5. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Apache Libapreq2
Published: 2020-11-19
Last modified: 2026-06-17

Description

A flaw in the libapreq2 v2.07 to v2.13 multipart parser can deference a null pointer leading to a process crash. A remote attacker could send a request causing a process crash which could lead to a denial of service attack.

Frequently asked questions

What is CVE-2019-12412?: A flaw in the libapreq2 v2.07 to v2.13 multipart parser can deference a null pointer leading to a process crash. A remote attacker could send a request causing a process crash which could lead to a denial of service attack.
How severe is CVE-2019-12412?: CVE-2019-12412 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-12412 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12412?: CVE-2019-12412 affects Apache Libapreq2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12412?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-12412 published?: CVE-2019-12412 was published on 2020-11-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:libapreq2:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Libapreq2

CVE-2022-22728 — High (CVSS 7.5): A flaw in Apache libapreq2 versions 2.16 and earlier could cause a buffer overflow while processing multipart form…
CVE-2006-0042 — Medium (CVSS 5.0): Unspecified vulnerability in (1) apreq_parse_headers and (2) apreq_parse_urlencoded functions in Apache2::Request…

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