VulnerabilityModified
CVE-2019-13503
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
HIGH 7.5EPSS 1.42%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.42%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.42% probability · 73th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- cesanta/mongoose
- Source
- cve@mitre.org
EPSS 1.4% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://fuzzit.dev/2019/07/11/discovering-cve-2019-13504-cve-2019-13503-and-the-importance-of-api-fuzzing/Broken Link
- https://github.com/cesanta/mongoose/pull/1035Exploit, Third Party Advisory
- https://fuzzit.dev/2019/07/11/discovering-cve-2019-13504-cve-2019-13503-and-the-importance-of-api-fuzzing/Broken Link
- https://github.com/cesanta/mongoose/pull/1035Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.