How severe is CVE-2019-13221?

CVE-2019-13221 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-13221 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13221?

CVE-2019-13221 primarily affects Stb Vorbis Project Stb Vorbis. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-13221?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-13221 published?

CVE-2019-13221 was published on 2019-08-15 and last updated on 2026-06-17.

CVE-2019-13221

CVE-2019-13221 is a high-severity vulnerability in Stb Vorbis Project Stb Vorbis with a CVSS 3.x base score of 7.8. 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-787.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Stb Vorbis Project Stb Vorbis
Published: 2019-08-15
Last modified: 2026-06-17

Description

A stack buffer overflow in the compute_codewords function in stb_vorbis through 2019-03-04 allows an attacker to cause a denial of service or execute arbitrary code by opening a crafted Ogg Vorbis file.

Frequently asked questions

What is CVE-2019-13221?: A stack buffer overflow in the compute_codewords function in stb_vorbis through 2019-03-04 allows an attacker to cause a denial of service or execute arbitrary code by opening a crafted Ogg Vorbis file.
How severe is CVE-2019-13221?: CVE-2019-13221 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13221 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13221?: CVE-2019-13221 primarily affects Stb Vorbis Project Stb Vorbis. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-13221?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-13221 published?: CVE-2019-13221 was published on 2019-08-15 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:stb_vorbis_project:stb_vorbis:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

More vulnerabilities in Stb Vorbis Project Stb Vorbis

CVE-2018-1000050 — High (CVSS 8.8): Sean Barrett stb_vorbis version 1.12 and earlier contains a Buffer Overflow vulnerability in All vorbis decoding paths.…
CVE-2019-13217 — High (CVSS 7.8): A heap buffer overflow in the start_decoder function in stb_vorbis through 2019-03-04 allows an attacker to cause a…
CVE-2019-13222 — High (CVSS 7.1): An out-of-bounds read of a global buffer in the draw_line function in stb_vorbis through 2019-03-04 allows an attacker…
CVE-2019-13220 — High (CVSS 7.1): Use of uninitialized stack variables in the start_decoder function in stb_vorbis through 2019-03-04 allows an attacker…
CVE-2019-13223 — Medium (CVSS 5.5): A reachable assertion in the lookup1_values function in stb_vorbis through 2019-03-04 allows an attacker to cause a…
CVE-2019-13219 — Medium (CVSS 5.5): A NULL pointer dereference in the get_window function in stb_vorbis through 2019-03-04 allows an attacker to cause a…

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