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CVE-2018-6548

N/A
Published: February 2, 2018 at 09:00 AM UTC
Updated: June 17, 2026 at 02:02 AM UTC
1 product affected across 1 vendorLibwebm

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Severity
N/A
Exploit prediction
EPSS 1%

Description

A use-after-free issue was discovered in libwebm through 2018-02-02. If a Vp9HeaderParser was initialized once before, its property frame_ would not be changed because of code in vp9parser::Vp9HeaderParser::SetFrame. Its frame_ could be freed while the corresponding pointer would not be updated, leading to a dangling pointer. This is related to the function OutputCluster in webm_info.cc.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Libwebm· Webmproject
95%
v ≤ 1.0.0.27

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_MISCPermissions Required
Source: [email protected]
https://bugs.chromium.org/p/webm/issues/detail?id=1493
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://github.com/dwfault/PoCs/blob/master/libwebm%20Vp9HeaderParser%20UAF%20by%20PrintVP9Info/libwebm%20Vp9HeaderParser%20UAF%20by%20PrintVP9Info.md

CVSS

7.5HIGH[email protected]
Confidentiality
PARTIAL
Integrity
PARTIAL
Availability
PARTIAL
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-416

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