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Static SSP canary in Debian libc6
CENSUS
A vulnerability in older Debian GNU libc (libc6 ≤ 2.7) caused stack protection (SSP / -fstack-protector) to use a fixed, predictable canary value (0xff0a0000) instead of a random one. Normally, stack canaries are randomized at runtime to prevent attackers from guessing them during buffer overflow attacks. However,...