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CVE-2026-125070— FFmpeg through 9.0.2 NULL Pointer Dereference in EA TQI Decoder

Quick assessment

Affected

FFmpeg FFmpeg

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

FFmpeg 9.0.2 及更早版本在的函数中存在空指针解引用漏洞。该漏洞源于在发生整数溢出后，代码忽略了的失败返回。攻击者可构造包含数据块的 EA 文件，其中携带 2^28 字节（约 268 MB）的有效载荷，从而触发进程崩溃，导致拒绝服务（DoS）。

CVSS 5.5 · Medium EPSS 0.18% · P8 Updated Nov 10, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

Vendor	Product	Version Range	Status
FFmpeg	FFmpeg	`≤ 9.0.2`	affected

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Vulnerability Information

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Vulnerability Title

FFmpeg through 9.0.2 NULL Pointer Dereference in EA TQI Decoder

Source: CVE Program / CVE List V5

Vulnerability Description

FFmpeg through 9.0.2 contains a NULL pointer dereference vulnerability in tqi_decode_frame() in libavcodec/eatqi.c, which ignores init_get_bits() failure after an integer overflow. Attackers can supply a crafted EA file with a pIQT chunk carrying a 2^28-byte payload to crash the process, causing denial of service.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

未加检查的返回值

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
FFmpeg	FFmpeg	0 ~ 9.0.2	-

II. Public POCs for CVE-2026-125070

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-125070

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Patches & Fixes for CVE-2026-125070 (2)

Vendor Advisories for CVE-2026-125070 (1)

🔗 FFmpeg through 9.0.2 NULL Pointer Dereference in EA TQI Decoder | Advisories | VulnCheck third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-125070

Same Patch Batch · FFmpeg · 2026-11-09 · 121 CVEs total

CVE-2026-125233	7.8 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via DVB Subtitle Encoder
CVE-2026-125209	7.8 HIGH	FFmpeg before 8.1.3 and 9.x before 9.0.2 Heap Buffer Overflow via dvdsubenc.c
CVE-2026-125250	7.8 HIGH	FFmpeg through 9.0.2 GIF Encoder Heap Buffer Overflow via shrunk_buf Remap
CVE-2026-125267	7.8 HIGH	FFmpeg before 8.1.3 and 9.x before 9.0.2 Heap Out-of-Bounds Write via APAC Decoder
CVE-2026-125259	7.8 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via ProRes prores_ks Encoder
CVE-2026-125203	7.8 HIGH	FFmpeg before 8.1.3 and 9.x before 9.0.2 Heap Buffer Overflow in Cook Multichannel Decoder
CVE-2026-125229	7.8 HIGH	FFmpeg through 9.0.2 Out-of-Bounds Memory Access in Huffyuv/FFVHUFF Median Predictor
CVE-2026-125244	7.8 HIGH	FFmpeg before 8.1.3 and 9.x before 9.0.2 VVC Decoder Out-of-Bounds Write via sh_entry_poin
CVE-2026-125262	7.8 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via LCEVC Enhancement Decoding
CVE-2026-125249	7.0 HIGH	FFmpeg 7.1 through 9.0.2 Heap Out-of-Bounds Write via Vulkan Slice Buffer Sizing
CVE-2026-125196	7.0 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via liboapv APV Encoder Wrapper
CVE-2026-125211	7.0 HIGH	FFmpeg through 9.0.2 Heap Corruption via libaribcaption ASS Error Cleanup
CVE-2026-125222	7.0 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via hap_parse_frame_header()
CVE-2026-125218	7.0 HIGH	FFmpeg through 9.0.2 APNG Encoder Heap Buffer Overflow via encode_apng()
CVE-2026-125260	7.0 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow in EXR Encoder RLE Path
CVE-2026-125241	7.0 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via FLIC Decoder check_pixel_ptr
CVE-2026-125239	7.0 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via HEVC DXVA Tile Parameters
CVE-2026-125181	7.0 HIGH	FFmpeg through 9.0.2 FLIC Decoder Out-of-Bounds Write via FLI_BRUN Byte Swap
CVE-2026-125213	7.0 HIGH	FFmpeg through 9.0.2 Heap Buffer Overflow via PSD Decoder RLE Path
CVE-2026-125248	7.0 HIGH	FFmpeg 9.0 through 9.0.2 Integer Overflow via FFV1 Vulkan Encoder Remap Buffer

Showing top 20 of 121 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: FFmpeg

Same vendor: FFmpeg

Same weakness: CWE-252