جزئیات آسیبپذیری
CVE-2026-27622
OpenEXR CompositeDeepScanLine integer-overflow leads to heap OOB write
شرح رسمی (انگلیسی)
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. In CompositeDeepScanLine::readPixels, per-pixel totals are accumulated in vector<unsigned int> total_sizes for attacker-controlled large counts across many parts, total_sizes[ptr] wraps modulo 2^32. overall_sample_count is then derived from wrapped totals and used in samples[channel].resize(overall_sample_count). Decode pointer setup/consumption proceeds with true sample counts, and write operations in core unpack (generic_unpack_deep_pointers) overrun the undersized composite sample buffer. This vulnerability is fixed in v3.2.6, v3.3.8, and v3.4.6.
امتیازهای CVSS
| امتیاز | نسخه | منبع | بردار |
|---|---|---|---|
| 8.4بالا | 4.0 | CVEProject cvelistV5 (CNA) (GitHub_M) | CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 7.4بالا | 3.1 | CVEProject cvelistV5 (CNA) (redhat-SADP) | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
محصولات آسیبپذیر
| فروشنده | محصول | نسخهها | منبع |
|---|---|---|---|
| AcademySoftwareFoundation | openexr | >= 2.3.0, < 3.2.6 | CVEProject cvelistV5 (CNA) |
| AcademySoftwareFoundation | openexr | >= 3.3.0, < 3.3.8 | CVEProject cvelistV5 (CNA) |
| AcademySoftwareFoundation | openexr | >= 3.4.0, < 3.4.6 | CVEProject cvelistV5 (CNA) |
منابع و راهنماها
۲۰- https://github.com/AcademySoftwareFoundation/openexr/security/advisories/GHSA-cr4v-6jm6-4963 x_refsource_CONFIRM
- https://access.redhat.com/security/cve/CVE-2026-27622 vdb-entryx_refsource_REDHAT
- https://bugzilla.redhat.com/show_bug.cgi?id=2444251 issue-trackingx_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-27622.json x_sadp-csaf-vex
- https://access.redhat.com/errata/RHSA-2026:7678 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:7682 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8863 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:12340 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:12341 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:12339 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:12338 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8870 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8869 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8871 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8872 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:8888 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:16008 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:16030 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:16009 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2026:16174 vendor-advisoryx_refsource_REDHAT
اطلاعات
- تاریخ انتشار
- ۱۴۰۴/۱۲/۱۳
- آخرین بهروزرسانی
- ۱۴۰۵/۰۶/۱۸
- وضعیت
- منتشرشده
- صادرکننده (CNA)
- GitHub_M
پیشبینی بهرهبرداری (EPSS)
ارزیابی SSVC (CISA)
- قابل خودکارسازی
- خیر
- وضعیت بهرهبرداری
- ندارد
- اثر فنی
- کامل
ضعفها (CWE)
- CWE-787Out-of-bounds Write
- CWE-190Integer Overflow or Wraparound