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        "state": "PUBLISHED",
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        "dateReserved": "2026-08-19T20:34:19.724Z",
        "datePublished": "2026-08-24T13:12:01.148Z",
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            "datePublic": "2026-09-02T00:00:00.000Z",
            "title": "zlib 1.2.11 through 1.3.2 Heap Buffer Overflow via Stale gzwrite Pointer After Failed Write",
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                    "lang": "en",
                    "value": "zlib 1.2.11 through 1.3.2 contains a heap buffer overflow: after an underlying write() fails, gz_write() returns without resetting strm.next_in, leaving it pointed at the caller's buffer. A later gz* write call then derives a position from the stale pointer and writes past a heap allocation; any write() failure reaches it, including EPIPE on a blocking descriptor, and in versions before 1.3.1.2 the failed write must be followed by a gzclearerr() call."
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