USN-6369-1 fixed a vulnerability in libwebp. This update provides the corresponding update for Ubuntu 18.04 LTS.
Original advisory details:
It was discovered that libwebp incorrectly handled certain malformed images. If a user or automated system were tricked into opening a specially crafted image file, a remote attacker could use this issue to cause libwebp to crash, resulting in a denial of service, or possibly execute arbitrary code.
{
"binaries": [
{
"binary_name": "libwebp-dev",
"binary_version": "0.6.1-2ubuntu0.18.04.2+esm1"
},
{
"binary_name": "libwebp6",
"binary_version": "0.6.1-2ubuntu0.18.04.2+esm1"
},
{
"binary_name": "libwebpdemux2",
"binary_version": "0.6.1-2ubuntu0.18.04.2+esm1"
},
{
"binary_name": "libwebpmux3",
"binary_version": "0.6.1-2ubuntu0.18.04.2+esm1"
},
{
"binary_name": "webp",
"binary_version": "0.6.1-2ubuntu0.18.04.2+esm1"
}
],
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro"
}
{
"ecosystem": "Ubuntu:Pro:18.04:LTS",
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2023-4863"
}
]
}