CVE-2017-5984 : In libavcodec in Libav 9.21, ff_h264_execute_ref_pic

In libavcodec in Libav 9.21, ff_h264_execute_ref_pic_marking() has a heap-based buffer over-read.

Published 2019-05-22 20:29:00

Updated 2019-05-23 15:28:31

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2017-5984

Libav » Libav » Version: 9.21
cpe:2.3:a:libav:libav:9.21:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.07%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 33 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
4.3	MEDIUM	AV:N/AC:M/Au:N/C:N/I:N/A:P	8.6	2.9	NIST
Access Vector: Network Access Complexity: Medium Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
6.5	MEDIUM	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	2.8	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: Required Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://patches.libav.org/patch/62534/

[2/4] h264dec: initialize field_started to 0 on each decode call - Patchwork
Mailing List;Patch;Third Party Advisory
https://bugzilla.libav.org/show_bug.cgi?id=1019

Bug 1019 – SIGSEGV in ff_h264_execute_ref_pic_marking()
Issue Tracking;Exploit;Patch;Third Party Advisory

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