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GoogleOSV:CVE-2019-9717

HistorySep 19, 2019 - 9:15 p.m.

CVE-2019-9717

2019-09-1921:15:10

Google

osv.dev

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

High

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

0.001 Low

EPSS

Percentile

39.8%

JSON

In Libav 12.3, a denial of service in the subtitle decoder allows attackers to hog the CPU via a crafted video file in Matroska format, because srt_to_ass in libavcodec/srtdec.c has a complex format argument to sscanf.

CPENameOperatorVersion
libaveq11_alpha1
libaveq9_beta1
libaveq11_beta1
libaveq11_alpha2
libaveqdev14.2
libaveq10_alpha2
libaveq0.7b1
libaveq0.7rc1
libaveq0.8b2
libaveq9_beta3

Name	Operator	Version
libav	eq	11_alpha1
libav	eq	9_beta1
libav	eq	11_beta1
libav	eq	11_alpha2
libav	eq	dev14.2
libav	eq	10_alpha2
libav	eq	0.7b1
libav	eq	0.7rc1
libav	eq	0.8b2
libav	eq	9_beta3

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References

github.com/libav/libav/blob/df744e3cf66548c9167ea857104a29d2ea92819e/libavcodec/srtdec.c#L90

lgtm.com/security/

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

6.6 Medium

AI Score

Confidence

High

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:N/I:N/A:C

0.001 Low

EPSS

Percentile

39.8%

JSON

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