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Huawei EulerOS: CVE-2023-1999: libwebp security update

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Huawei EulerOS: CVE-2023-1999: libwebp security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
06/20/2023
Created
07/18/2023
Added
07/18/2023
Modified
07/18/2023

Description

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. 

Solution(s)

  • huawei-euleros-2_0_sp10-upgrade-libwebp

References

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