What is CVE-2011-0480?

CVE-2011-0480 is a vulnerability in Google Chrome, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2011-01-14.

Is CVE-2011-0480 known to be exploited?

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

Buffer overflow in Google Chrome

CVE-2011-0480

Multiple buffer overflows in vorbis_dec.c in the Vorbis decoder in FFmpeg, as used in Google Chrome before 8.0.552.237 and Chrome OS before 8.0.552.344, allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via a crafted WebM file, related to buffers for (1) the channel floor and (2) the channel residue.

Vulnerability class: Buffer Overflow

Published 2011-01-14 · last modified 2026-06-16.

CVSS v2 metric

CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.

EPSS exploit prediction

EPSS: 0.023 (82.7th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000

Affected products

Google Chrome
Google Chrome OS
Canonical Ubuntu Linux — versions 8.04, 9.10, 10.04
Debian Linux — versions 6.0

Weakness classification (CWE)

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

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

roundup.ffmpeg.org/issue2548 (Broken Link)
www.debian.org/security/2011/dsa-2306 (vendor-advisory, Third Party Advisory)
googlechromereleases.blogspot.com/2011/01/chrome-stable-release.html (Vendor Advisory)
article.gmane.org/gmane.comp.video.ffmpeg.devel/122703 (mailing-list, Broken Link)
bugs.debian.org/cgi-bin/bugreport.cgi (Third Party Advisory, Issue Tracking)
codereview.chromium.org/6069005 (Vendor Advisory)
www.securityfocus.com/bid/45788 (VDB Entry, Third Party Advisory, vdb-entry)
git.ffmpeg.org/
www.mandriva.com/security/advisories (vendor-advisory, Third Party Advisory)
src.chromium.org/viewvc/chrome (Broken Link)

Frequently asked questions

What is CVE-2011-0480?: CVE-2011-0480 is a vulnerability in Google Chrome, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). Published 2011-01-14.
Is CVE-2011-0480 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.