Security readout for executives and security teams
Plain-English summary
CVE-2026-24799 is a memory-safety flaw in dlib’s bundled zlib inflate code. Software using dlib before v19.24.9 may crash or suffer limited data integrity impact when processing relevant compressed input. Current sources do not show active exploitation. Business urgency is moderate unless dlib is exposed to untrusted local users or attacker-influenced files.
Executive priority
Treat as a moderate-priority dependency update. Prioritize remediation where dlib is used in production workflows handling untrusted files or local multi-user environments. If dlib is only used offline with trusted data, schedule normal patch management.
Technical view
The CVE describes CWE-120/CWE-787 out-of-bounds write/classic buffer overflow behavior in dlib/external/zlib, associated with inflate.C. It affects davisking/dlib before v19.24.9. CVSS 4.0 score is 5.2, with local attack vector, low complexity, low privileges required, and active user interaction required.
Likely exposure
Exposure is most likely in applications that directly or transitively include dlib versions before v19.24.9, especially vendored copies. Risk depends on whether the application processes attacker-influenced compressed data through the affected bundled zlib code. Network-exposed impact is not indicated by the CVSS vector provided.
Exploitation context
The source bundle does not report public exploitation or CISA KEV listing. CVSS indicates exploitation requires local access, low privileges, and user interaction. Potential impact is mainly availability, with limited integrity impact according to the supplied vector.
Researcher notes
Evidence is limited to the CVE record, CVE List entry, and upstream patch reference. No exploit details, proof-of-concept, or active exploitation claims are provided. The affected range is stated as before v19.24.9; downstream package status must be verified separately.
Mitigation direction
- Upgrade dlib to v19.24.9 or later where feasible.
- Review the linked upstream patch if maintaining a fork or vendored copy.
- Check vendor guidance for downstream products that bundle dlib.
- Prioritize systems processing untrusted or user-supplied compressed inputs.
Validation and detection
- Inventory direct and transitive dlib usage across applications.
- Identify versions older than v19.24.9, including vendored source copies.
- Check whether dlib/external/zlib/inflate.C is present in builds.
- Confirm patched builds include the upstream fix from PR 3063.
- Review crash telemetry around compressed input processing.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-120: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-787: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2026-24799 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.2 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber
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.
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:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.2MediumVector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:H/SC:N/SI:L/SA:L/S:N/AU:Y/R:U/V:C/RE:L/U:Amber
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/davisking/dlib/pull/3063CVE reference · patch
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.
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
Out-of-bounds Write
Out-of-bounds Write represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.