CVE-2012-4562 Integer overflow in n/a
Remote attackers can cause denial of service or potentially execute arbitrary code via integer overflows in libssh.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2012-4562?
CVE-2012-4562 is a high-severity vulnerability in n/a, published on 30 Nov 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple integer overflows in libssh before 0.5.3 allow remote attackers to cause a denial of service (infinite loop or crash) and possibly execute arbitrary code via unspecified vectors, which triggers a buffer overflow, infinite loop, or possibly some other unspecified vulnerabilities.
Weakness: CWE-189
Which versions are affected by CVE-2012-4562?
It affects 1 product.
Products include Libssh Libssh.
How do I fix CVE-2012-4562?
Upgrade to a fixed version.
Is CVE-2012-4562 being exploited?
There is no known exploitation of CVE-2012-4562 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2026-59851 Libssh: libssh: authentication bypass via missing gssapi principal check
- CVE-2025-5987 Libssh: invalid return code for chacha20 poly1305 with openssl backend
- CVE-2025-14821 Libssh: libssh: insecure default configuration leads to local man-in-the-middle attacks on windows
- CVE-2012-4560 Memory corruption in n/a
- CVE-2012-6063 Use after free in n/a
Sources
Also known as DEBIAN-CVE-2012-4562, GHSA-44f3-h584-r9pm.