How severe is CVE-2019-12980?

CVE-2019-12980 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-12980 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12980?

CVE-2019-12980 affects Libming. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12980?

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

When was CVE-2019-12980 published?

CVE-2019-12980 was published on 2019-06-26 and last updated on 2026-06-17.

CVE-2019-12980

CVE-2019-12980 is a medium-severity vulnerability in Libming with a CVSS 3.x base score of 6.5. 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-190.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Libming
Published: 2019-06-26
Last modified: 2026-06-17

Description

In Ming (aka libming) 0.4.8, there is an integer overflow (caused by an out-of-range left shift) in the SWFInput_readSBits function in blocks/input.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted swf file.

Frequently asked questions

What is CVE-2019-12980?: In Ming (aka libming) 0.4.8, there is an integer overflow (caused by an out-of-range left shift) in the SWFInput_readSBits function in blocks/input.c. Remote attackers could leverage this vulnerability to cause a denial-of-service via a crafted swf file.
How severe is CVE-2019-12980?: CVE-2019-12980 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-12980 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12980?: CVE-2019-12980 affects Libming. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12980?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-12980 published?: CVE-2019-12980 was published on 2019-06-26 and last updated on 2026-06-17.

References

https://github.com/libming/libming/commit/a009a38dce1d9316cad1ab522b813b1d5ba4c62a

Affected products (1)

cpe:2.3:a:libming:libming:0.4.8:*:*:*:*:*:*:*

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