Security readout for executives and security teams
CVE-2025-70103 is a high-severity heap buffer overflow in libjxl 0.12.0 when processing crafted PBM images through its PNM decoder. In business terms, systems that automatically process untrusted images could face confidentiality, integrity, and availability impact. The supplied data does not identify active exploitation or a confirmed fixed release. Exposure is most likely where libjxl 0.12.0 or downstream packages process untrusted PBM/PNM images. The CVE affected-product metadata is incomplete, so organizations should verify direct and transitive libjxl usage rather than assume only explicitly named products are affected. Prioritize assessment this week for internet-facing or automated image-processing workflows. Urgency is high where untrusted images are processed at scale, but remediation depends on vendor guidance because the supplied sources do not name a final fixed release. Mitigation focus: Inventory direct and transitive use of libjxl 0.12.0.; Monitor libjxl issue 4337 and pull request 4338 for official fix status.; Update when an official libjxl or downstream package fix is available..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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Open ATT&CK lookupCVE-2025-70103 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L3.93.4CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.3HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/libjxl/libjxl/issues/4337CVE reference, mitre
- https://github.com/libjxl/libjxl/pull/4338CVE reference, mitre
- https://github.com/sigdevel/pocs/blob/main/res/libjxl/2025/2CVE reference, mitre
- https://infosec.exchange/@sigdevel/116642233929409910CVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.