A heap-based buffer over-read or buffer overflow in davisking/dlib

published 2026-01-27 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-4819

cvss: 5.2; version 4.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in davisking dlib (dlib/external/zlib modules). This vulnerability is associated with program files inflate.C.

This issue affects dlib: before v19.24.9.

Patch / fix

distros 1 links 1

dlib openSUSE Tumbleweed 20.0.1-1.1

opensuse advisories openSUSE-SU-2026:12269-1

github.com/davisking/dlib#3063 pull request

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-24799 updated 2026-06-28 cvss 9.8

dlib: heap-based buffer overflow in inflate() in zlib module (CVE-2022-37434)

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 9 mo ago (2026-01-27)

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.2	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	4.0	5.2	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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:N/AU:Y/R:U/V:C/RE:L/U:Amber

Affected products

davisking dlib

Classification

Weakness

CWE-787 Out-of-bounds Write
CWE-120 Buffer Copy without Checking Size of Input

References

github.com /davisking/dlib/pull/3063
patch

Sources

CVE List CVE-2026-24799
NVD CVE-2026-24799

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary