Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2023-1999: A double-free in libwebp could have led to memory corruption and a potentially exploitable crash.
Fixed packages 8
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | libwebp | 0:1.2.4-1.amzn2023.0.4 |
| Amazon Linux · 2023 | libwebp-debuginfo | 0:1.2.4-1.amzn2023.0.4 |
| Amazon Linux · 2023 | libwebp-debugsource | 0:1.2.4-1.amzn2023.0.4 |
| Amazon Linux · 2023 | libwebp-devel | 0:1.2.4-1.amzn2023.0.4 |
| Amazon Linux · 2023 | libwebp-java | 0:1.2.4-1.amzn2023.0.4 |
| Amazon Linux · 2023 | libwebp-java-debuginfo | 0:1.2.4-1.amzn2023.0.4 |
| Amazon Linux · 2023 | libwebp-tools | 0:1.2.4-1.amzn2023.0.4 |
| Amazon Linux · 2023 | libwebp-tools-debuginfo | 0:1.2.4-1.amzn2023.0.4 |
Vulnerabilities 1
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Medium 5.3CVE-2023-1999 Public exploit
Use after free in libwebp
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 encode…
References
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web
https://alas.aws.amazon.com/cve/html/CVE-2023-1999.html