CVE-20XX-?
agent?

CVE-2021-3517

8.6 HIGH 17% exploit odds Fix listed Memory safety

What it is

There is a flaw in the xml entity encoding functionality of libxml2 in versions before 2.9.11. An attacker who is able to supply a crafted file to be processed by an application linked with the affected functionality of libxml2 could trigger an out-of-bounds read. The most likely impact of this flaw is to application availability, with some potential impact to confidentiality and integrity if an attacker is able to use memory information to further exploit the application.

At a glance

Exploitability
Can be exploited over the network without logging in. High risk of service disruption.
Exploit odds
17.0% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix
A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

  1. PublishedDisclosed publicly on CVE.org and NVD
  2. Last updatedMost recent change to the record

Why it ranks here

Details

Published
Last modified
Exploit probability
17.0% · EPSS, next 30 days
Weakness
CWE-787 · Out-of-bounds write
Record status
Modified

Affected

Attack profile CVSS 3.1 · 8.6

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
High
Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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-2021-3517.md and follow it. Check whether this project is affected by CVE-2021-3517. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record