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path: root/advisories/GLIBC-SA-2023-0003
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getaddrinfo: Potential use-after-free

When an NSS plugin only implements the _gethostbyname2_r and
_getcanonname_r callbacks, getaddrinfo could use memory that was freed
during buffer resizing, potentially causing a crash or read or write to
arbitrary memory.

CVE-Id: CVE-2023-4806
Public-Date: 2023-09-12
Fix-Commit: 973fe93a5675c42798b2161c6f29c01b0e243994 (2.39)
Fix-Backport: e09ee267c03e3150c2c9ba28625ab130705a485e (2.34)
Fix-Backport: e3ccb230a961b4797510e6a1f5f21fd9021853e7 (2.35)
Fix-Backport: a9728f798ec7f05454c95637ee6581afaa9b487d (2.36)
Fix-Backport: 6529a7466c935f36e9006b854d6f4e1d4876f942 (2.37)
Fix-Backport: 00ae4f10b504bc4564e9f22f00907093f1ab9338 (2.38)