CVE-2022-22728

Name: CVE-2022-22728
Creator: NVD / NIST
Published: 2022-08-25T15:15:08.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 4.71%

Last modified Jun 17, 2026

CVE-2022-22728 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A flaw in Apache libapreq2 versions 2.16 and earlier could cause a buffer overflow while processing multipart form uploads. A remote attacker could send a request causing a process crash which could lead to a denial of service attack.. EPSS estimates a 4.71% chance of exploitation in the next 30 days.

Description

A flaw in Apache libapreq2 versions 2.16 and earlier could cause a buffer overflow while processing multipart form uploads. A remote attacker could send a request causing a process crash which could lead to a denial of service attack.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

4.71%

90.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apache	Libapreq2	<= 2.16
Fedoraproject	Fedora	35
Fedoraproject	Fedora	36
Fedoraproject	Fedora	37
Debian	Debian Linux	10.0

References

http://www.openwall.com/lists/oss-security/2022/08/25/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/25/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/26/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/29/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/30/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/31/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/31/5Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/01/02/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/01/02/2Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/01/03/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/2fsjoor96d47vtkpf76x4yo06nccvy1yMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00009.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PUUS3JL44UUSLJTSXE46HVKZIW7E7PE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HZZKVHYYWACPWONPEFRNPIRE3HYLV4T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BE5MEHGIQUEIISBCVHM43IN2NBDXBFOJ/
https://security.gentoo.org/glsa/202305-20
http://www.openwall.com/lists/oss-security/2022/08/25/3Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/25/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/08/26/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/29/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/30/4Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/31/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2022/12/31/5Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/01/02/1Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/01/02/2Mailing List, Third Party Advisory
http://www.openwall.com/lists/oss-security/2023/01/03/2Mailing List, Third Party Advisory
https://lists.apache.org/thread/2fsjoor96d47vtkpf76x4yo06nccvy1yMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2023/01/msg00009.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2PUUS3JL44UUSLJTSXE46HVKZIW7E7PE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3HZZKVHYYWACPWONPEFRNPIRE3HYLV4T/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BE5MEHGIQUEIISBCVHM43IN2NBDXBFOJ/
https://security.gentoo.org/glsa/202305-20

Timeline

Published: Aug 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-22728?

How severe is CVE-2022-22728?

CVE-2022-22728 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.71% probability of exploitation in the next 30 days.

How do I fix CVE-2022-22728?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-22728?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST