How severe is CVE-2012-0855?

CVE-2012-0855 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-0855 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-0855?

CVE-2012-0855 primarily affects Ffmpeg. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-0855?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-0855 published?

CVE-2012-0855 was published on 2012-08-27 and last updated on 2026-06-16.

CVE-2012-0855

CVE-2012-0855 is a medium-severity vulnerability in Ffmpeg with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Ffmpeg
Published: 2012-08-27
Last modified: 2026-06-16

Description

Heap-based buffer overflow in the get_sot function in the J2K decoder (j2k.c) in libavcodec in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (application crash) via unspecified vectors related to the curtileno variable.

Frequently asked questions

What is CVE-2012-0855?: Heap-based buffer overflow in the get_sot function in the J2K decoder (j2k.c) in libavcodec in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (application crash) via unspecified vectors related to the curtileno variable.
How severe is CVE-2012-0855?: CVE-2012-0855 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-0855 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-0855?: CVE-2012-0855 primarily affects Ffmpeg. In total, 43 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-0855?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-0855 published?: CVE-2012-0855 was published on 2012-08-27 and last updated on 2026-06-16.

References

Affected products (43)

cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.3.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.0:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.7:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.8:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.9:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.4.9:pre1:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.6.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.3:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.7:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.8:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.9:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.11:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.7.12:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.8.0:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.8.1:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.8.2:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.8.5:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.8.6:*:*:*:*:*:*:*
cpe:2.3:a:ffmpeg:ffmpeg:0.8.7:*:*:*:*:*:*:*

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