PatchTheCVECVE-2019-10196: A flaw was found in http-proxy-agent, prior to version 2.1.0
CVE-2019-10196 is a critical-severity flaw (CVSS 9.8) affecting http-proxy-agent, fedora, software collections. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option to the Buffer constructor without proper sanitization. This could result in a Denial of Service through the usage of all available CPU resources and data exposure through an uninitialized memory leak in setups where an attacker could submit typed input to the auth parameter.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.4% (top 28%) |
| CISA exploited list | No |
| Weakness | CWE-665 |
| Published | 2021-03-19 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-10196?
http-proxy-agent: upgrade to 2.1.0; fedora: mitigate or apply the listed mitigation; software collections: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2019-10196 being exploited?
CVE-2019-10196 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-10196 affect?
CVE-2019-10196 affects http-proxy-agent, fedora, software collections. Severity is critical (CVSS 9.8). A flaw was found in http-proxy-agent, prior to version 2.1.0. It was discovered http-proxy-agent passes an auth option to the Buffer constructor without proper sanitization. This could result in a Denial of Service through the usage of all
How urgent is CVE-2019-10196?
Priority 62/100. Critical severity; Remotely exploitable, no login, no user action; On your watchlist