CVE-2026-20889
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk47th percentile - higher than 47% of all known CVEs
Summary
A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader function of LibRaw (commit d20315b). A specially crafted malicious file can lead to a heap buffer overflow.
Risk Assessment
An attacker can provide a malicious file that, when processed by an application using LibRaw, may lead to arbitrary code execution or system crash.
Recommendation
Update LibRaw to the latest patched version. Until updated, avoid processing untrusted RAW files.
Other vulnerabilities in LibRaw
See all- CVE-2017-14348High
LibRaw before 0.18.4 has a heap-based Buffer Overflow in the processCanonCameraInfo function via a crafted file.
- CVE-2017-13735High
There is a floating point exception in the kodak_radc_load_raw function in dcraw_common.cpp in LibRaw 0.18.2, which may lead to a remote denial of service attack.
- CVE-2017-6887High
A boundary error in the 'parse_tiff_ifd()' function in LibRaw versions before 0.18.2 can lead to memory corruption. Exploiting a specially crafted KDC file with the model set to 'DSLR-A100' and containing multiple sequences of 0x100 and 0x14A TAGs may allow an attack.
- CVE-2026-21413Critical
A heap-based buffer overflow vulnerability was found in the lossless_jpeg_load_raw function of LibRaw in commits 0b56545 and d20315b. A specially crafted malicious file can cause a heap buffer overflow.
- CVE-2026-20911Critical
A heap-based buffer overflow vulnerability in the HuffTable::initval function of LibRaw. A specially crafted malicious file can cause a heap buffer overflow, allowing an attacker to execute arbitrary code or crash the application.
- CVE-2017-14608Critical
In LibRaw through version 0.18.4, an out of bounds read flaw related to kodak_65000_load_raw has been reported in dcraw/dcraw.c and internal/dcraw_common.cpp. An attacker could possibly exploit this flaw to disclose potentially sensitive memory or cause an application crash.
- CVE-2017-14265Critical
A stack-based buffer overflow was discovered in xtrans_interpolate in internal/dcraw_common.cpp in LibRaw before version 0.18.3. It could allow a remote denial of service or code execution attack.
- CVE-2017-6886Critical
An error in the 'parse_tiff_ifd()' function in LibRaw versions before 0.18.2 can be exploited to corrupt memory.
- CVE-2026-88387Medium
LibRaw 0.22.0 contains an incorrect numeric conversion vulnerability in LibRaw::parse_tiff_ifd() when processing TIFF tag 0x00fe (NewSubfileType). A specially crafted RAW, TIFF, or DNG file can supply an attacker-controlled NewSubfileType value outside the range of a signed int. The parser converts this value and narrows it to int without performing range validation. This out-of-range conversion triggers undefined behavior, resulting in process termination and denial of service.
- CVE-2026-24660High
A heap-based buffer overflow vulnerability exists in the x3f_load_huffman function of LibRaw. A specially crafted malicious file can lead to a heap buffer overflow.
Original NVD description (English source)
A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

