CVE-2022-30522
HighIf 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.
Published Jun 24, 2022 · Updated Sep 8, 2026 · Also known as ALPINE-CVE-2022-30522, BIT-apache-2022-30522, DEBIAN-CVE-2022-30522, UBUNTU-CVE-2022-30522
Key Facts
Patch immediately- CVE-2022-30522 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting HTTP Server (Apache), Clustered Data Ontap (Netapp), Fedora (Fedoraproject) and 22 more products.
- It is not listed in any known-exploited vulnerabilities catalog. No public exploit code is known.
- EPSS estimates a 90% probability of exploitation in the next 30 days.
- Fixed versions are available, including apache 2.4.54, apache 2.4.54-1, apache2 2.4.18-2ubuntu3.17+esm6.
- Brandefense priority: patch immediately, because it is very likely to be exploited soon.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS (30-day exploit likelihood)
90%
Higher than 99.7% of all scored CVEs
Exploited in the wild
No known
Not in a known-exploited catalog
Public exploit code
None known
Get the full CVE-2022-30522 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Affected Products
439 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| HTTP ServerApache | 2.4.53, >= 2.4.53 | n/a |
| Clustered Data OntapNetapp | See advisory | n/a |
| FedoraFedoraproject | 35, 36 | n/a |
| apachearch | >= 2.4.53 | 2.4.54-1 |
| apache2alpine | See advisory | 2.4.54-r0 |
Patched Releases
apache
2.4.54, 2.4.54-1
apache2
2.4.18-2ubuntu3.17+esm6, 2.4.18-2ubuntu3.17+esm7, 2.4.23-29.91.1, 2.4.29-1ubuntu4.24, 2.4.29-1ubuntu4.25, 2.4.33-150000.3.69.1, 2.4.41-4ubuntu3.12, 2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1, 2.4.51-35.19.1, 2.4.52-1ubuntu4.1, 2.4.54-1, 2.4.54-1.1, 2.4.54-1~deb11u1, 2.4.54-r0, 2.4.66-150400.6.57.1, 2.4.7-1ubuntu4.22+esm5, 2.4.7-1ubuntu4.22+esm8
apache2-devel
2.4.33-150000.3.69.1, 2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1, 2.4.51-35.19.1, 2.4.66-150400.6.57.1
apache2-doc
2.4.23-29.91.1, 2.4.33-150000.3.69.1, 2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1, 2.4.51-35.19.1, 2.4.66-150400.6.57.1
apache2-event
2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1
apache2-example-pages
2.4.23-29.91.1, 2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1, 2.4.51-35.19.1
apache2-prefork
2.4.23-29.91.1, 2.4.33-150000.3.69.1, 2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1, 2.4.51-35.19.1, 2.4.66-150400.6.57.1
apache2-utils
2.4.23-29.91.1, 2.4.33-150000.3.69.1, 2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1, 2.4.51-35.19.1, 2.4.66-150400.6.57.1
apache2-worker
2.4.23-29.91.1, 2.4.33-150000.3.69.1, 2.4.51-150200.3.48.1, 2.4.51-150400.6.3.1, 2.4.51-35.19.1, 2.4.66-150400.6.57.1
httpd
0:2.4.53-7.el9, 2.4.37-51.0.1.module+el8.7.0+20778+02173b8e, 2.4.37-51.module_el8.7.0+3281+01e58653, 2.4.37-51.module+el8.7.0+1059+126e9251, 2.4.53-7.0.1.el9, 2.4.53-7.el9, 2.4.54-1.amzn2, 2.4.54-1.ph2, 2.4.54-1.ph3, 2.4.54-1.ph4, 2.4.54-3.amzn2022.0.1, 2.4.54-3.amzn2022.0.3, 2.4.54-3.amzn2023.0.4
httpd-core
2.4.53-7.0.1.el9, 2.4.54-3.amzn2022.0.1, 2.4.54-3.amzn2022.0.3, 2.4.54-3.amzn2023.0.4
httpd-devel
2.4.37-51.0.1.module+el8.7.0+20778+02173b8e, 2.4.53-7.0.1.el9, 2.4.54-1.amzn2, 2.4.54-1.ph4, 2.4.54-3.amzn2022.0.1, 2.4.54-3.amzn2022.0.3, 2.4.54-3.amzn2023.0.4
httpd-docs
2.4.54-1.ph4
httpd-filesystem
2.4.37-51.0.1.module+el8.7.0+20778+02173b8e, 2.4.53-7.0.1.el9, 2.4.54-1.amzn2, 2.4.54-3.amzn2022.0.1, 2.4.54-3.amzn2022.0.3, 2.4.54-3.amzn2023.0.4
httpd-manual
2.4.37-51.0.1.module+el8.7.0+20778+02173b8e, 2.4.53-7.0.1.el9, 2.4.54-1.amzn2, 2.4.54-3.amzn2022.0.1, 2.4.54-3.amzn2022.0.3, 2.4.54-3.amzn2023.0.4
httpd-tools
2.4.37-51.0.1.module+el8.7.0+20778+02173b8e, 2.4.53-7.0.1.el9, 2.4.54-1.amzn2, 2.4.54-1.ph4, 2.4.54-3.amzn2022.0.1, 2.4.54-3.amzn2022.0.3, 2.4.54-3.amzn2023.0.4
httpd:2.4
8070020220725152258.3b9f49c4
httpd24
2.4.54-1.98.amzn1
httpd24-devel
2.4.54-1.98.amzn1
httpd24-httpd
0:2.4.34-23.el7.5
httpd24-manual
2.4.54-1.98.amzn1
httpd24-tools
2.4.54-1.98.amzn1
jbcs-httpd24-httpd
0:2.4.51-37.el7jbcs, 0:2.4.51-37.el8jbcs
mod_http2
1.15.7-5.module_el8.6.0+2872+fe0ff7aa, 1.15.7-5.module+el8.6.0+20548+01710940, 1.15.7-5.module+el8.6.0+823+f143cee1
mod_ldap
2.4.37-51.0.1.module+el8.7.0+20778+02173b8e, 2.4.53-7.0.1.el9, 2.4.54-1.amzn2, 2.4.54-3.amzn2022.0.1, 2.4.54-3.amzn2022.0.3, 2.4.54-3.amzn2023.0.4
Timeline
Publicly disclosed
Jun 24, 2022
Last updated
Sep 8, 2026
Weakness Type
- CWE-770 Allocation of Resources Without Limits or Throttling
- CWE-789 Memory Allocation with Excessive Size Value
References
- advisoryRHSA-2022:6753
- advisoryRHSA-2022:7647
- advisoryRHSA-2022:8067
- advisoryRHSA-2022:8840
- advisoryRHSA-2022:8841
FAQ
Common Questions.
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.
Affected: HTTP Server (Apache) versions 2.4.53, >= 2.4.53; Clustered Data Ontap (Netapp); Fedora (Fedoraproject) versions 35, 36, among others. The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including apache 2.4.54, apache 2.4.54-1, apache2 2.4.18-2ubuntu3.17+esm6.
Brandefense priority: patch immediately, because it is very likely to be exploited soon.
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