What’s Vulnerable › Vulnerabilities

CVE-2019-12107

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-05-15 · updated 2026-06-17
• Weakness: CWE-252

Description

The upnp_event_prepare function in upnpevents.c in MiniUPnP MiniUPnPd through 2.1 allows a remote attacker to leak information from the heap due to improper validation of an snprintf return value.

Affected products

• Miniupnp.Free Miniupnpd: through 2.1

References

• https://github.com/miniupnp/miniupnp/commit/bec6ccec63cadc95655721bc0e1dd49dac759d94
• https://lists.debian.org/debian-lts-announce/2019/05/msg00045.html
• https://usn.ubuntu.com/4542-1/
• https://www.vdoo.com/blog/security-issues-discovered-in-miniupnp
• https://github.com/miniupnp/miniupnp/commit/bec6ccec63cadc95655721bc0e1dd49dac759d94
• https://lists.debian.org/debian-lts-announce/2019/05/msg00045.html
• https://usn.ubuntu.com/4542-1/
• https://www.vdoo.com/blog/security-issues-discovered-in-miniupnp

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