CVE-2026-112284
libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGR
- State
- Published
- Severity
- 4.8 Medium
- Published
- Oct 19, 2026
- Updated
- Oct 19, 2026
- Reserved
- Oct 19, 2026
Description
libaribcaption 1.1.0 through 1.1.2 contains a global out-of-bounds read in DecoderImpl::HandleGLGR() that reads past the 78-entry kLatinSpecialTable without an upper bound check. Attackers can supply crafted captions designating the Latin special set with ESC 28 4C followed by bytes 0x6F-0x7E to leak adjacent read-only data or crash decoding.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 4.8 Medium | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 3.3 Low | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L | VulnCheck |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
libaribcaptionxqq |
|
References
- https://hackmd.io/@haindpwn/libaribcaption-latin-special-table-oob-readthird-party-advisory
- https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/decoder_impl.cpptechnical-description
- https://github.com/xqq/libaribcaption/blob/v1.1.2/src/decoder/b24_conv_tables.hpptechnical-description
- https://github.com/xqq/libaribcaption/commit/9917cb311c93d884cb820d122911a211042da26ctechnical-descriptionpatch
- VulnCheck Advisory: libaribcaption 1.1.0 through 1.1.2 Out-of-Bounds Read via DecoderImpl::HandleGLGRthird-party-advisory
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