CVE-2019-13503
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
- Record
CVE-2019-13503- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-125
- Updated
- 2026-11-02
CVE List No score
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
- Record
CVE-2019-13503- Updated
- 2026-11-02
EUVDEUVD-2019-4960 No score
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
- Record
EUVD-2019-4960- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-38p9-xg79-q3f9
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
- Record
GHSA-38p9-xg79-q3f9- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSV
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
- Record
CVE-2019-13503- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-13503
mq_parse_http in mongoose.c in Mongoose 6.15 has a heap-based buffer over-read.
- Record
DEBIAN-CVE-2019-13503- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-13503 is a high vulnerability (CVSS 7.5) in Cesanta Mongoose, published July 11, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.42%, the 72nd percentile. Fixed in swupdate 2021.04-1.