CVE-2026-55687— ESF-IDF: Stack-Based Out-of-Bounds Write in JPEG Decoder DQT Marker Parsing
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-55687
Vulnerability Information
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Vulnerability Title
ESF-IDF: Stack-Based Out-of-Bounds Write in JPEG Decoder DQT Marker Parsing
Source: CVE Program / CVE List V5
Vulnerability Description
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. Versions 6.0.1, 5.5.4, 5.4.4, 5.3.5, and possibly prior contain an out-of-bounds write in jpeg_parse_dqt_marker() in components/esp_driver_jpeg/jpeg_parse_marker.c because the attacker-controlled DQT marker Tq nibble is used as an index into the qt_tbl array without validating that it is in the range 0..3, allowing malformed JPEG input to corrupt stack memory and reliably trigger a denial of service. This issue is fixed in version 6.0.2 and is expected to be fixed in versions 5.5.5, 5.4.5, and 5.3.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
espressif esp-idf 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Espressif ESP-IDF是中国Espressif公司开源的一个 Windows、Linux 和 macOS 上支持的 Espressif SoC 的开发框架。 Espressif ESP-IDF存在缓冲区错误漏洞，该漏洞源于在jpeg_parse_dqt_marker()函数中存在越界写入，因为攻击者控制的DQT标记Tq半字节被用作qt_tbl数组的索引，而未经验证是否在0..3范围内，可能导致恶意构造的JPEG输入破坏堆栈内存，从而可靠地触发拒绝服务。以下版本受到影响：6.0.1版本、5.5.
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-55687
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Patches & Fixes for CVE-2026-55687 (5)
Vendor Advisories for CVE-2026-55687 (1)
Vendor Pages for CVE-2026-55687 (1)
- 🔗 Release ESP-IDF Release v6.0.2 · espressif/esp-idf · GitHubx_refsource_MISC
IV. Related Vulnerabilities
Same product: esp-idf
- CVE-2026-46532
ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target P - CVE-2026-45542
ESF-IDF: Heap buffer overflow in protocomm Security2 over Bl - CVE-2026-45329
ESF-IDF: Out-of-Bounds Read in ESP-TEE Secure Service Wrappe - CVE-2026-45328
ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrapp - CVE-2026-45160
ESF-IDF: Out-of-bounds Read in lwIP DHCP Server Option Parse
Same vendor: espressif
- CVE-2026-46532
ESF-IDF: Heap Out-of-Bounds Read in Bluedroid AVRCP Target P - CVE-2026-45542
ESF-IDF: Heap buffer overflow in protocomm Security2 over Bl - CVE-2026-45329
ESF-IDF: Out-of-Bounds Read in ESP-TEE Secure Service Wrappe - CVE-2026-45328
ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrapp - CVE-2026-45160
ESF-IDF: Out-of-bounds Read in lwIP DHCP Server Option Parse
Same weakness: CWE-121
- CVE-2026-6791
Potential stack-based buffer clash during tilde expansion in - CVE-2026-19341
UTT HiPER 1200GW pptpSrvGlobalConfig strcpy stack-based over - CVE-2026-20345
ClamAV GPT File Format Processing Memory Corruption Vulnerab - CVE-2026-18909
ELAN Microelectronics Corp ELAN Smart-Pad 缓冲区错误漏洞 - CVE-2026-71267
microtar Stack Buffer Overflow in mtar_write_file_header() a
V. Comments for CVE-2026-55687
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