PUB-A-172716941

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Import Source
https://storage.googleapis.com/android-osv/PUB-A-172716941.json
JSON Data
https://api.osv.dev/v1/vulns/PUB-A-172716941
Aliases
  • A-172716941
  • CVE-2021-0556
Published
2021-06-01T00:00:00Z
Modified
2026-09-23T18:42:52Z
Summary
[none]
Details

In getBlockSum of fastcodemb.cpp, there is a possible out of bounds read due to a heap buffer overflow. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.

References

Affected packages

Android / platform/frameworks/av

Package

Name
platform/frameworks/av

Affected ranges

Type
ECOSYSTEM
Events
Introduced
11:0
Fixed
11:2021-06-01

Affected versions

Other
11

Ecosystem specific 

{
    "fixes":  [
        "https://android.googlesource.com/platform/frameworks/av/+/4a8f9e81f1a3a68997640901c9609ac4aea70f8b"
    ],
    "severity":  "Moderate",
    "spl":  "2021-06-01",
    "types":  [
        "ID"
    ],
    "vanir_signatures":  [
        {
            "deprecated":  false,
            "digest":  {
                "line_hashes":  [
                    "300585093410639656505867506267845368856",
                    "17267186837245124185419382308300513777",
                    "294294871855883533675667540792231867578",
                    "105031559810947757209742234609958146026"
                ],
                "threshold":  0.9
            },
            "id":  "PUB-A-172716941-04ac8281",
            "signature_type":  "Line",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/frameworks/av/+/4a8f9e81f1a3a68997640901c9609ac4aea70f8b",
            "target":  {
                "file":  "media/libstagefright/codecs/m4v_h263/enc/src/mp4enc_api.cpp"
            }
        },
        {
            "deprecated":  false,
            "digest":  {
                "function_hash":  "127043776089505450809936863600186662559",
                "length":  20236
            },
            "id":  "PUB-A-172716941-1c4b7f2b",
            "signature_type":  "Function",
            "signature_version":  "v1",
            "source":  "https://android.googlesource.com/platform/frameworks/av/+/4a8f9e81f1a3a68997640901c9609ac4aea70f8b",
            "target":  {
                "file":  "media/libstagefright/codecs/m4v_h263/enc/src/mp4enc_api.cpp",
                "function":  "PVInitVideoEncoder"
            }
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/android-osv/PUB-A-172716941.json"