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| Vulnerability ID | VCID-rhrs-vpu4-4qeb |
| Aliases |
CVE-2021-30761
|
| Summary | Multiple vulnerabilities have been found in WebkitGTK+, the worst of which could result in the arbitrary execution of code. |
| Status | Published |
| Exploitability | 2.0 |
| Weighted Severity | 8.0 |
| Risk | 10.0 |
| Affected and Fixed Packages | Package Details |
| CWE-20 | Improper Input Validation |
| System | Score | Found at |
|---|---|---|
| cvssv3 | 8.8 | https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-30761.json |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00317 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| epss | 0.00511 | https://api.first.org/data/v1/epss?cve=CVE-2021-30761 |
| archlinux | High | https://security.archlinux.org/AVG-2210 |
| archlinux | High | https://security.archlinux.org/AVG-2211 |
| cvssv3.1 | 8.8 | https://support.apple.com/en-us/HT212548 |
| ssvc | Attend | https://support.apple.com/en-us/HT212548 |
| Data source | KEV |
|---|---|
| Date added | Nov. 3, 2021 |
| Description | Apple iOS WebKit contains a memory corruption vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing. |
| Required action | Apply updates per vendor instructions. |
| Due date | Nov. 17, 2021 |
| Note | https://nvd.nist.gov/vuln/detail/CVE-2021-30761 |
| Ransomware campaign use | Unknown |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Attack Vector (AV) | Attack Complexity (AC) | Privileges Required (PR) | User Interaction (UI) | Scope (S) | Confidentiality Impact (C) | Integrity Impact (I) | Availability Impact (A) |
|---|---|---|---|---|---|---|---|
network adjacent_network local physical |
low high |
none low high |
none required |
unchanged changed |
high low none |
high low none |
high low none |
| Percentile | 0.54722 |
| EPSS Score | 0.00317 |
| Published At | April 1, 2026, 12:55 p.m. |
| Date | Actor | Action | Source | VulnerableCode Version |
|---|---|---|---|---|
| 2026-04-01T13:11:57.340011+00:00 | Gentoo Importer | Import | https://security.gentoo.org/glsa/202202-01 | 38.0.0 |