CVE-2026-63279— Out of bounds read in PICT image import
一分钟漏洞结论
影响对象
The Document Foundation LibreOffice
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
LibreOffice can import PICT images, which may be embedded in documents. An out of bounds read existed when importing an image that uses a colour palette. The palette index held in the image data was used without being checked against the number of entries the
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一、 漏洞 CVE-2026-63279 基础信息
漏洞信息
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Vulnerability Title
Out of bounds read in PICT image import
来源: CVE Program / CVE List V5
Vulnerability Description
LibreOffice can import PICT images, which may be embedded in documents. An out of bounds read existed when importing an image that uses a colour palette. The palette index held in the image data was used without being checked against the number of entries the palette has, so an index past the last entry read memory outside the palette. In fixed versions the palette index is limited to the entries present.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:P
来源: CVE Program / CVE List V5
Vulnerability Type
跨界内存读
来源: CVE Program / CVE List V5
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| The Document Foundation | LibreOffice | 26.2 ~ < 26.2.5 | - |
|
二、漏洞 CVE-2026-63279 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-63279 其他参考 (1)
同批安全公告 · The Document Foundation · 2026-09-22 · 共 7 条
| CVE-2026-63278 | 6.7 MEDIUM | Package URLs can be used to exfiltrate arbitrary INI file values and environment variables |
| CVE-2026-63272 | 5.4 MEDIUM | Heap buffer overflow in WMF text record import |
| CVE-2026-63274 | 5.4 MEDIUM | Heap buffer overflow in PDF import stream handling |
| CVE-2026-63273 | 5.4 MEDIUM | Heap buffer overflow in PDF import encryption handling |
| CVE-2026-63276 | 5.4 MEDIUM | Stack buffer overflow in CFF to Type 1 font conversion |
| CVE-2026-63275 | 5.4 MEDIUM | Stack buffer overflow in CFF font hint handling |
IV. Related Vulnerabilities
Same product: LibreOffice
-
CVE-2026-63278
Package URLs can be used to exfiltrate arbitrary INI file va -
CVE-2026-63276
Stack buffer overflow in CFF to Type 1 font conversion -
CVE-2026-63275
Stack buffer overflow in CFF font hint handling -
CVE-2026-63274
Heap buffer overflow in PDF import stream handling -
CVE-2026-63273
Heap buffer overflow in PDF import encryption handling
Same vendor: The Document Foundation
-
CVE-2026-63278
Package URLs can be used to exfiltrate arbitrary INI file va -
CVE-2026-63276
Stack buffer overflow in CFF to Type 1 font conversion -
CVE-2026-63275
Stack buffer overflow in CFF font hint handling -
CVE-2026-63274
Heap buffer overflow in PDF import stream handling -
CVE-2026-63273
Heap buffer overflow in PDF import encryption handling
Same weakness: CWE-125
-
CVE-2026-81883
radare2: Out-of-bounds Read at the end of string in the LUA -
CVE-2026-81882
radare2: Missing string termination causes heap out-of-bound -
CVE-2026-81884
radare2: Heap out-of-bounds read in radare2 Mach-O LC_DATA_I -
CVE-2026-81879
radare2: Heap out-of-bounds read in radare2 ELF PN_XNUM hand -
CVE-2026-81881
radare2: Heap out-of-bounds read in radare2 Mach-O Swift met
V. Comments for CVE-2026-63279
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