Release date:
2026-09-17 12:04:45 UTC
Description:
* SECURITY UPDATE: excessive memory use buffering DTLS records
- debian/patches/openssl-1.1.1-cve-2026-54874.patch: copy only the record's
own on-wire bytes into the queue entry in dtls1_buffer_record(), and copy
them back into the live read buffer in dtls1_copy_record(), instead of
handing the whole ~16.7KB read buffer to the queue and allocating a fresh
one, so a peer sending a stream of tiny next-epoch records can no longer
pin ~1.7MB of heap per connection; also lower the cap on the next-epoch
(unprocessed_rcds) queue from 100 records to 16, which the same patch
passes to dtls1_buffer_record() as an argument so that the other two
queues keep the 100-record limit.
- CVE-2026-54874
Updated packages:
-
alt-openssl11_1.1.1w-3.10_amd64.deb
sha:296beb0d978a60a0fb10173cf92009223e35d2b1
-
alt-openssl11-dev_1.1.1w-3.10_amd64.deb
sha:fe17faa66b42bc740ac81b566c006ac2d5d961d0
-
alt-openssl11-doc_1.1.1w-3.10_all.deb
sha:2fdc13272bb889b138f3c8bc3a64acfd1320cef1
-
alt-openssl11-libs_1.1.1w-3.10_amd64.deb
sha:731b7f7c3cec57cd251aa3c1cde39f2328b9949a
Notes:
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