CVE-2026-34544
OpenEXR: integer overflow to OOB write in uncompress_b44_impl()
EPSS 0.24%
描述
OpenEXR provides the specification and reference implementation of the EXR file format, an image storage format for the motion picture industry. From version 3.4.0 to before version 3.4.8, a crafted B44 or B44A EXR file can cause an out-of-bounds write in any application that decodes it via exr_decoding_run(). Consequences range from immediate crash (most likely) to corruption of adjacent heap allocations (layout-dependent). This issue has been patched in version 3.4.8.
如何修補 CVE-2026-34544
要修補 CVE-2026-34544,請將受影響套件升級到下列已修補版本。
- —升級至 3.4.8 或更新版本
- —升級至 3.4.8 或更新版本
CVE-2026-34544 正在被利用嗎?
低 — EPSS 為 0.2%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- >= 3.4.0, < 3.4.8
- >= 3.2.0, < 3.4.8
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | 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 |