CVE-2022-48468
CVE-2022-48468 is a medium-severity vulnerability in Protobuf-c Project Protobuf-c with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-190.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- EPSS exploit prediction: 0% (29th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-190
- Affected product: Protobuf-c Project Protobuf-c
- Published:
- Last modified:
Description
protobuf-c before 1.4.1 has an unsigned integer overflow in parse_required_member.
Frequently asked questions
- What is CVE-2022-48468?
- protobuf-c before 1.4.1 has an unsigned integer overflow in parse_required_member.
- How severe is CVE-2022-48468?
- CVE-2022-48468 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2022-48468 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-48468?
- CVE-2022-48468 affects Protobuf-c Project Protobuf-c. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2022-48468?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2022-48468 published?
- CVE-2022-48468 was published on 2023-04-13 and last updated on 2026-06-17.
References
- https://github.com/protobuf-c/protobuf-c/commit/ec3d900001a13ccdaa8aef996b34c61159c76217
- https://github.com/protobuf-c/protobuf-c/issues/499
- https://github.com/protobuf-c/protobuf-c/pull/513
- https://github.com/protobuf-c/protobuf-c/releases/tag/v1.4.1
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EI4JZSHJXW7WOOTAQSV5SUCC5GE2GC2B/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UGLZZYPOLI733DPETL444E3GY5KSS6LG/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VNUEZZEPR2F6M67ANXLOPJX6AQL3TK4P/
Affected products (1)
- cpe:2.3:a:protobuf-c_project:protobuf-c:*:*:*:*:*:*:*:*
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