CVE-2012-4412 Integer overflow in n/a

What is CVE-2012-4412?

CVE-2012-4412 is a high-severity vulnerability in Gnu Glibc, published on 9 Oct 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Integer overflow in string/strcoll_l.c in the GNU C Library (aka glibc or libc6) 2.17 and earlier allows context-dependent attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string, which triggers a heap-based buffer overflow.

Weakness: CWE-189

Which versions are affected by CVE-2012-4412?

It affects 1 product.

Products include Gnu Glibc.

How do I fix CVE-2012-4412?

Upgrade to a fixed version.

Is CVE-2012-4412 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-4412 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Gnu Glibc

• CVE-2026-5450 scanf %mc off-by-one heap buffer overflow Critical 9.8
• CVE-2023-25139 Memory corruption in n/a Critical 9.8
• CVE-1999-0199 Other in n/a Critical 9.8
• CVE-2019-1010022 Security feature bypass in glibc Critical 9.8
• CVE-2005-3590 Memory corruption in n/a Critical 9.8

All Gnu Glibc vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2012-4412, GHSA-cq77-m6w7-c2xc.