Red Hat: CVE-2023-1999: Double-free in libwebp (Multiple Advisories)
4
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
04/14/2023
05/05/2023
05/01/2023
12/15/2023
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)
- redhat-upgrade-firefox
- redhat-upgrade-firefox-debuginfo
- redhat-upgrade-firefox-debugsource
- redhat-upgrade-firefox-x11
- redhat-upgrade-libwebp
- redhat-upgrade-libwebp-debuginfo
- redhat-upgrade-libwebp-debugsource
- redhat-upgrade-libwebp-devel
- redhat-upgrade-libwebp-java
- redhat-upgrade-libwebp-java-debuginfo
- redhat-upgrade-libwebp-tools
- redhat-upgrade-libwebp-tools-debuginfo
- redhat-upgrade-thunderbird
- redhat-upgrade-thunderbird-debuginfo
- redhat-upgrade-thunderbird-debugsource
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