CVE-2024-27316
What it is
HTTP/2 incoming headers exceeding the limit are temporarily buffered in nghttp2 in order to generate an informative HTTP 413 response. If a client does not stop sending headers, this leads to memory exhaustion.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of service disruption.
- Exploit odds
- 88.8% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 88.8% in the next 30 days (EPSS).
- Severity: 7.5 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 88.8% · EPSS, next 30 days
- Weakness
- CWE-770 · Allocation without limits
- Record status
- Modified
Affected
- Apache Http Server < 2.4.59
- Fedoraproject Fedora 38
- Fedoraproject Fedora 39
- Fedoraproject Fedora 40
- Netapp Ontap 9
Attack profile CVSS 3.1 · 7.5
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2024-27316.md and follow it. Check whether this project is affected by CVE-2024-27316. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- http://seclists.org/fulldisclosure/2024/Jul/18
- http://www.openwall.com/lists/oss-security/2024/04/04/4
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://support.apple.com/kb/HT214119
- https://www.openwall.com/lists/oss-security/2024/04/03/16
- http://seclists.org/fulldisclosure/2024/Jul/18
- http://www.openwall.com/lists/oss-security/2024/04/04/4
- https://httpd.apache.org/security/vulnerabilities_24.html
- https://lists.debian.org/debian-lts-announce/2024/05/msg00013.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/FO73U3SLBYFGIW2YKXOK7RI4D6DJSZ2B/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/MIUBKSCJGPJ6M2U63V6BKFDF725ODLG7/
- https://security.netapp.com/advisory/ntap-20240415-0013/
- https://support.apple.com/kb/HT214119
- https://www.kb.cert.org/vuls/id/421644
- https://www.openwall.com/lists/oss-security/2024/04/03/16