CVE-2021-3889
8.1 HIGHlibmobi is vulnerable to Use of Out-of-range Pointer Offset
Published: 2021-10-19 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 8.1 HIGH
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- CWE
- CWE-119, CWE-823
Affected products
| Vendor | Product |
|---|---|
| libmobi_project | libmobi |
Description
libmobi is vulnerable to Use of Out-of-range Pointer Offset
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3889
- [Patch]https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21
- [Patch]https://huntr.dev/bounties/efb3e261-3f7d-4a45-8114-e0ace6b21516
- [Patch]https://github.com/bfabiszewski/libmobi/commit/bec783e6212439a335ba6e8df7ab8ed610ca9a21
- [Patch]https://huntr.dev/bounties/efb3e261-3f7d-4a45-8114-e0ace6b21516
Related CVEs
Same vendor
- CVE-2021-3888 — libmobi is vulnerable to Use of Out-of-range Pointer Offset (8.1 HIGH)
- CVE-2021-3881 — libmobi is vulnerable to Out-of-bounds Read (9.8 CRITICAL)
- CVE-2021-3751 — libmobi is vulnerable to Out-of-bounds Write (9.8 CRITICAL)
Same CWE
- CVE-2026-12330 — Incorrect boundary conditions in the Internationalization component (5.4 MEDIUM)
- CVE-2026-12329 — Memory safety bug fixed in Thunderbird ESR 140.12 (5.3 MEDIUM)
- CVE-2026-12327 — Memory safety bugs present in Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and Thunderbird 151 (7.3 HIGH)
- CVE-2026-12326 — Memory safety bugs present in Firefox 151 and Thunderbird 151 (7.3 HIGH)
- CVE-2026-12318 — Incorrect boundary conditions in the Libraries component in NSS (7.3 HIGH)