CVE-2026-26203
6.5
MEDIUM
CVSS 3.1
EPSS 0.10%
描述
PJSIP is a free and open source multimedia communication library. Versions prior to 2.17 have a critical heap buffer underflow vulnerability in PJSIP's H.264 packetizer. The bug occurs when processing malformed H.264 bitstreams without NAL unit start codes, where the packetizer performs unchecked pointer arithmetic that can read from memory located before the allocated buffer. Version 2.17 contains a patch for the issue.
如何修補 CVE-2026-26203
要修補 CVE-2026-26203,請將受影響套件升級到下列已修補版本。
- —升級至 1:16.28.0~dfsg-0+deb11u10 或更新版本
CVE-2026-26203 正在被利用嗎?
低 — EPSS 為 0.1%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 1:16.28.0~dfsg-0+deb11u10
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |