What is CVE-2012-2089?

CVE-2012-2089 is a vulnerability in F5 nginx, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2012-04-17.

Is CVE-2012-2089 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in F5 nginx

CVE-2012-2089

Buffer overflow in ngx_http_mp4_module.c in the ngx_http_mp4_module module in nginx 1.0.7 through 1.0.14 and 1.1.3 through 1.1.18, when the mp4 directive is used, allows remote attackers to cause a denial of service (memory overwrite) or possibly execute arbitrary code via a crafted MP4 file.

Vulnerability class: Buffer Overflow

Published 2012-04-17 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.098 (95.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.098 · newest: 0.098 · change: 0.000

Affected products

F5 nginx
Fedoraproject Fedora — versions 15, 16, 17

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

exchange.xforce.ibmcloud.com/vulnerabilities/74831 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id (VDB Entry, Third Party Advisory, vdb-entry)
lists.fedoraproject.org/pipermail/package-announce/2012-May/079474.html (vendor-advisory, Third Party Advisory)
lists.fedoraproject.org/pipermail/package-announce/2012-May/079467.html (vendor-advisory, Third Party Advisory)
nginx.org/en/security_advisories.html (Patch, Vendor Advisory)
www.securityfocus.com/bid/52999 (VDB Entry, Third Party Advisory, vdb-entry)
www.openwall.com/lists/oss-security/2012/04/12/9 (mailing-list, Patch, Mailing List, Third Party Advisory)
lists.fedoraproject.org/pipermail/package-announce/2012-April/079388.html (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2012-2089?: CVE-2012-2089 is a vulnerability in F5 nginx, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2012-04-17.
Is CVE-2012-2089 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.