- Description
- Use-after-free vulnerability in the GIFReadNextExtension function in lib/pngxtern/gif/gifread.c in OptiPNG 0.6.2 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a crafted GIF image that causes the realloc function to return a new pointer, which triggers memory corruption when the old pointer is accessed.
- Source
- cve@mitre.org
- NVD status
- Analyzed
CVSS 3.1
- Type
- Primary
- Base score
- 7.8
- Impact score
- 5.9
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 9.3
- Impact score
- 10
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:C/I:C/A:C
- nvd@nist.gov
- CWE-416
- Hype score
- Not currently trending
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:optipng_project:optipng:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2D9EBBA0-AD72-4BE3-8C7B-932B5996FB19",
"versionEndIncluding": "0.6.2"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FF141FBE-4CA5-4695-94A0-8BE1309D28CC",
"versionEndIncluding": "11.1",
"versionStartIncluding": "10.3"
},
{
"criteria": "cpe:2.3:o:suse:linux_enterprise:9-11:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "170FDFDE-DADB-4CBF-9AB8-3A01C7BA94AB"
}
],
"operator": "OR"
}
]
}
]