Webmproject: >> Libwebp >> 0.5.0 Security Vulnerabilities
CVE-2023-4863
Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)
Known exploited
CVSS Score
8.8
EPSS Score
0.94
Published
2023-09-12
There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free best.bw and assign best = trial pointer. The second loop will then return 0 because of an Out of memory error in VP8 encoder, the pointer is still assigned to trial and the AddressSanitizer will attempt a double free.
CVSS Score
5.3
EPSS Score
0.003
Published
2023-06-20
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE16().
CVSS Score
9.1
EPSS Score
0.004
Published
2021-05-21
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ApplyFilter().
CVSS Score
9.1
EPSS Score
0.003
Published
2021-05-21
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in PutLE16().
CVSS Score
9.8
EPSS Score
0.004
Published
2021-05-21
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in GetLE24().
CVSS Score
9.1
EPSS Score
0.002
Published
2021-05-21
A heap-based buffer overflow was found in libwebp in versions before 1.0.1 in ShiftBytes().
CVSS Score
9.1
EPSS Score
0.001
Published
2021-05-21
A use of uninitialized value was found in libwebp in versions before 1.0.1 in ReadSymbol().
CVSS Score
9.8
EPSS Score
0.002
Published
2021-05-21
A flaw was found in libwebp in versions before 1.0.1. A heap-based buffer overflow in function WebPDecodeRGBInto is possible due to an invalid check for buffer size. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVSS Score
9.8
EPSS Score
0.006
Published
2021-05-21
A flaw was found in libwebp in versions before 1.0.1. A use-after-free was found due to a thread being killed too early. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVSS Score
9.8
EPSS Score
0.006
Published
2021-05-21
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