Libjxl
CVE-2021-36691
HIGH
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V16 - Security Logging and Error Handling Reachable assertion handling
|
| Impact | CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system. |
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Alert meAnalysisAI
libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-617. libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service. Affected products include: Libjxl Project Libjxl.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
libjxl v0.5.0 is affected by a Assertion failed issue in lib/jxl/image.cc jxl::PlaneBase::PlaneBase(). When encoding a malicous GIF file using cjxl, an attacker can trigger a denial of service.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.
Affected Products (CPE)NVD
libjxl 0.6.1 has an assertion failure in LowMemoryRenderPipeline::Init() in render_pipeline/low_memory_render_pipeline.c
libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). Rated medium
JPEG XL (aka jpeg-xl) through 0.3.2 allows writable memory corruption. Rated critical severity (CVSS 9.8), this vulnerab
For certain valid JPEG XL images with a size slightly larger than an integer number of groups (256x256 pixels) when proc
An out of bounds read exists in libjxl. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable,
A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated memory. Soon after
Invalid JPEG XL images using libjxl can cause an out of bounds access on a std::vector<std::vector<T>> when rendering sp
An issue was discovered in dec_patch_dictionary.cc in libjxl before 0.8.2. Rated high severity (CVSS 7.5), this vulnerab
Integer underflow in libjxl's container box parser before v0.12.0 allows unauthenticated remote attackers to inject arbi
A specially-crafted file can cause libjxl's decoder to read pixel data from uninitialized (but allocated) memory. This c
Exploit-DB