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Message-ID: <trinity-24971e1d-c47c-4264-b324-be068a2e00af-1792741237625@trinity-msg-rest-gmx-gmx-live-5d6886bf55-hj9nz>
Date: Fri, 23 Oct 2026 07:40:37 +0000
From: "Alexander A. Shvedov" <sigdevel@...amail.com>
To: oss-security@...ts.openwall.com
Subject: CVE-2025-60490: heap use-after-free in GPAC/MP4Box
gf_filter_pid_send_event_downstream via crafted MPEG-2 TS input
Product: GPAC (MP4Box)
Affected: 2.5-DEV-rev1665-g3f20eb0cd-master
Commit 3f20eb0cd22116367c036e6ffe6ace299b38d686
Fixed: d0793f92e04fe284a25c2a9335cc5edc68deb6d4
CVE: CVE-2025-60490
CWE: CWE-416 (Use After Free)
CVSS 3.1: 8.8 HIGH (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; BDU assessment)
Reporter: Alexander A. Shvedov (@sigdevel)
Description:
MP4Box contains a heap use-after-free in
gf_filter_pid_send_event_downstream() at filter_core/filter_pid.c:7919.
While importing a crafted MPEG-2 Transport Stream, PID reconfiguration
frees a 344-byte PID instance in gf_filter_pid_inst_swap_delete(). Event
propagation later retains and reads the stale pointer.
The issue was reproduced in GPAC version
2.5-DEV-rev1665-g3f20eb0cd-master at commit
3f20eb0cd22116367c036e6ffe6ace299b38d686.
Impact:
The observed read of eight bytes at the start of the freed object causes
MP4Box to terminate, resulting in denial of service. Because the stale
heap object may be replaced with attacker-influenced data, arbitrary code
execution cannot be ruled out.
Reproduction:
Build GPAC with AddressSanitizer, then run:
./MP4Box -add 54_gf_filter_pid_send_event_downstream_filter_core_filter_pid_c_7919 -new /dev/null
ASan log excerpt:
==58521==ERROR: AddressSanitizer: heap-use-after-free on address 0x513000000e40
#0 in gf_filter_pid_send_event_downstream filter_core/filter_pid.c:7919
#1 in gf_fs_thread_proc filter_core/filter_session.c:2393
#2 in gf_fs_run filter_core/filter_session.c:2697
The allocation and free traces identify gf_filter_pid_inst_new() and
gf_filter_pid_inst_swap_delete(), respectively.
Fix:
Update to a GPAC v26.07.0:
https://github.com/gpac/gpac/releases/tag/v26.07.0
PoC:
https://github.com/sigdevel/pocs/blob/main/res/gpac/MP4Box/54/54_gf_filter_pid_send_event_downstream_filter_core_filter_pid_c_7919
References:
https://github.com/gpac/gpac/issues/3315
https://github.com/gpac/gpac/commit/d0793f92e04fe284a25c2a9335cc5edc68deb6d4
https://www.cve.org/CVERecord?id=CVE-2025-60490
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/60xxx/CVE-2025-60490.json
https://infosec.exchange/@sigdevel/117456620287496398
https://bdu.fstec.ru/vul/2025-13150
——
Best regards, Alexander A. Shvedov
@sigdevel
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