CVE-2022-30522

HIGHNVD 7.57.5—

7.5

If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 93.2%
KEV: Not listed

Published

June 9, 2022

Last Modified

November 21, 2024

References (12)

security@apachehttp://www.openwall.com/lists/oss-security/2022/06/08/6
security@apachehttps://httpd.apache.org/security/vulnerabilities_24.html
security@apachehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
security@apachehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
security@apachehttps://security.gentoo.org/glsa/202208-20
security@apachehttps://security.netapp.com/advisory/ntap-20220624-0005/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2022/06/08/6
af854a3a-2127-422b-91ae-364da2661108https://httpd.apache.org/security/vulnerabilities_24.html
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7QUGG2QZWHTITMABFLVXA4DNYUOTPWYQ/
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YPY2BLEVJWFH34AX77ZJPLD2OOBYR6ND/
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202208-20
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20220624-0005/

Patch Availability(7)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	apache2-bin (2.4.18-2ubuntu3.17+esm7) @ xenial	2026-05-25	ubuntu
ubuntu	apache2-bin (2.4.48-3.1ubuntu3.5) @ impish	2026-05-25	ubuntu
redhat	patch	2022-12-08	redhat
redhat	jbcs-httpd24-httpd-0:2.4.51-37.el7jbcs	2022-12-08	redhat
redhat	httpd-0:2.4.53-7.el9	2022-11-15	redhat
redhat	httpd:2.4-8070020220725152258.3b9f49c4	2022-11-08	redhat
redhat	httpd24-httpd-0:2.4.34-23.el7.5	2022-09-29	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(7)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-25 20:52 UTCEG score recompute
2026-05-25 20:52 UTCVendor advisory
2026-05-25 20:52 UTCGHSA enrichment
2026-05-24 16:51 UTCepss_batch

Frequently asked(5)

What is CVE-2022-30522?

CVE-2022-30522 is a high vulnerability published on June 9, 2022. If Apache HTTP Server 2.4.53 is configured to do transformations with modsed in contexts where the input to modsed may be very large, mod_sed may make excessively large memory allocations and trigger an abort.

When was CVE-2022-30522 disclosed?

CVE-2022-30522 was first published in the National Vulnerability Database on June 9, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-30522 actively exploited?

CVE-2022-30522 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-30522?

CVE-2022-30522 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2022-30522?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-30522, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-30522

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