CVE-2026-24800
A heap-based buffer over-read or buffer overflow in tildearrow/furnace
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
A heap-based buffer over-read or buffer overflow in tildearrow/furnace
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
CVE-2026-24800- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:L/U:Red - Weakness
- CWE-787, CWE-120
- Updated
- 2026-11-02
EUVDEUVD-2026-4798
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
EUVD-2026-4798- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:L/U:Red - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mvr7-j94c-mhvx
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')...
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
GHSA-mvr7-j94c-mhvx- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:D/RE:L/U:Red - Weakness
- CWE-120
- Updated
- 2026-11-02
NVD
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
CVE-2026-24800- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:D/RE:L/U:Red - Weakness
- CWE-120, CWE-787
- Updated
- 2026-11-02
OSV
A heap-based buffer over-read or buffer overflow in tildearrow/furnace
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
CVE-2026-24800- CVSS 4.0
- 10.0 Critical
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/S:N/AU:Y/R:U/V:D/RE:L/U:Red - Weakness
- CWE-120, CWE-787
- Updated
- 2026-11-02
OSVAZL-77997 No score
CVE-2026-24800 affecting package fltk 1.3.8-1
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
AZL-77997- Updated
- 2026-11-05
OSVAZL-78003 No score
CVE-2026-24800 affecting package gpsbabel 1.8.0-4
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
AZL-78003- Updated
- 2026-11-02
OSVAZL-78006 No score
CVE-2026-24800 affecting package gpsbabel 1.8.0-4
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
AZL-78006- Updated
- 2026-11-05
OSVAZL-78047 No score
CVE-2026-24800 affecting package cloud-hypervisor for versions less than 32.0-6
Out-of-bounds Write, Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in tildearrow furnace (extern/zlib modules). This vulnerability is associated with program files inflate.C.
- Record
AZL-78047- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fltkAzure Linux:3 |
through 1.3.8-1 | None known |
gpsbabelAzure Linux:2 |
through 1.8.0-4 | None known |
gpsbabelAzure Linux:3 |
through 1.8.0-4 | None known |
cloud-hypervisorAzure Linux:2 |
before 32.0-6 | 32.0-6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | OSV | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-24800 is a critical vulnerability (CVSS 10.0) in Tildearrow Furnace, published January 27, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.30%, the 23rd percentile. Fixed in cloud-hypervisor 32.0-6.