CVE-2020-19909
Integer overflow vulnerability in tool_operate.c in curl 7.65.2 via a large value as the retry delay.
Does this matter?
Lower severity and a low EPSS score (0.36%). Track it; it rarely justifies an emergency change on its own.
Description
Integer overflow vulnerability in tool_operate.c in curl 7.65.2 via a large value as the retry delay. NOTE: many parties report that this has no direct security impact on the curl user; however, it may (in theory) cause a denial of service to associated systems or networks if, for example, --retry-delay is misinterpreted as a value much smaller than what was intended. This is not especially plausible because the overflow only happens if the user was trying to specify that curl should wait weeks (or longer) before trying to recover from a transient error.
- CVSS 3.1
- 3.3 LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.36% probability · 30th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- haxx/curl
- Source
- cve@mitre.org
References
- https://daniel.haxx.se/blog/2023/08/26/cve-2020-19909-is-everything-that-is-wrong-with-cves/Issue Tracking
- https://github.com/curl/curl/pull/4166Patch
- http://www.openwall.com/lists/oss-security/2026/07/23/2
- http://www.openwall.com/lists/oss-security/2026/07/25/5
- https://daniel.haxx.se/blog/2023/08/26/cve-2020-19909-is-everything-that-is-wrong-with-cves/Issue Tracking
- https://github.com/curl/curl/pull/4166Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.