Vulnerability · Published Oct 29, 2021 · Assigned by @huntrdev
CVE-2021-3756Heap-based Buffer Overflow in hoene/libmysofa
Medium 6.2
In plain English
A medium-severity heap buffer overflow in hoene/libmysofa from hoene. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.0)6.2Medium
Exploit odds (30 days)1.1%top 35.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
libmysofa is vulnerable to Heap-based Buffer Overflow
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libmysofa | 1.2.1~dfsg0-1 | DEBIAN-CVE-2021-3756 |
| Debian:13 | libmysofa | 1.2.1~dfsg0-1 | DEBIAN-CVE-2021-3756 |
| Debian:14 | libmysofa | 1.2.1~dfsg0-1 | DEBIAN-CVE-2021-3756 |
| Ubuntu:22.04:LTS | libmysofa | 1.2.1~dfsg0-1 | UBUNTU-CVE-2021-3756 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| hoene | hoene/libmysofa | unspecified – before 1.2.1 |
Weakness: CWE-122 · Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:H
References
- https://huntr.dev/bounties/7ca8d9ea-e2a6-4294-af28-70260bb53bc1 x_refsource_CONFIRM
- https://github.com/hoene/libmysofa/commit/890400ebd092c574707d0c132124f8ff047e20e1 x_refsource_MISC
- FEDORA-2021-36ac17e5ac vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-28b495e9e0 vendor-advisory, x_refsource_FEDORA