How severe is CVE-2017-12839?

CVE-2017-12839 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2017-12839 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-12839?

CVE-2017-12839 affects Mpg123. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-12839?

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-2017-12839 published?

CVE-2017-12839 was published on 2019-05-09 and last updated on 2026-06-17.

CVE-2017-12839

CVE-2017-12839 is a high-severity vulnerability in Mpg123 with a CVSS 3.x base score of 8.3. 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-125.

Key facts

Severity: High (CVSS 3.x base score 8.3)
CVSS v2: 6.8
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Mpg123
Published: 2019-05-09
Last modified: 2026-06-17

Description

A heap-based buffer over-read in the getbits function in src/libmpg123/getbits.h in mpg123 through 1.25.5 allows remote attackers to cause a possible denial-of-service (out-of-bounds read) or possibly have unspecified other impact via a crafted mp3 file.

Frequently asked questions

What is CVE-2017-12839?: A heap-based buffer over-read in the getbits function in src/libmpg123/getbits.h in mpg123 through 1.25.5 allows remote attackers to cause a possible denial-of-service (out-of-bounds read) or possibly have unspecified other impact via a crafted mp3 file.
How severe is CVE-2017-12839?: CVE-2017-12839 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2017-12839 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-12839?: CVE-2017-12839 affects Mpg123. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-12839?: 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-2017-12839 published?: CVE-2017-12839 was published on 2019-05-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mpg123:mpg123:*:*:*:*:*:*:*:*

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