PT-2026-84905 · Zlib · Zlib
CVSS v4.0
8.3
عالية
| المتجه | AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Name of the Vulnerable Software and Affected Versions
zlib versions 1.3.1.2 through 1.3.2
Description
A heap buffer overflow occurs in the
gz vacate() function during the processing of non-blocking gzwrite() operations involving stale external buffer pointers. This issue is triggered when gzprintf() or gzvprintf() is called following a write stall, leading to an unchecked memmove() that writes data beyond the internal input buffer boundary.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
استغلال
Memory Corruption
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تصنيف نقاط الضعف
المعرّفات ذات الصلة
المنتجات المتأثرة
Zlib