In Exiv2 0.26, there is a heap-based buffer over-read in the…
Priority LOW 33CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
In Exiv2 0.26, there is a heap-based buffer over-read in the Exiv2::IptcData::printStructure function in iptc.cpp, related to the "!= 0x1c" case. Remote attackers can exploit this vulnerability to cause a denial of service via a crafted TIFF file.
Why it matters now
EPSS 0.02132 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2019:2101 Released 2019-08-06 · Red Hat rating Lowexiv2 security, bug fix, and enhancement update
- Red Hat Enterprise Linux Client (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6
- Red Hat Enterprise Linux Client Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-doc-0.27.0-2.el7_6
- Red Hat Enterprise Linux ComputeNode (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6
- Red Hat Enterprise Linux ComputeNode Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-doc-0.27.0-2.el7_6
- Red Hat Enterprise Linux Server (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-devel-0.27.0-2.el7_6.ppc, exiv2-doc-0.27.0-2.el7_6
- Red Hat Enterprise Linux Workstation (v. 7) exiv2-0.27.0-2.el7_6, exiv2-libs-0.27.0-2.el7_6
- Red Hat Enterprise Linux Workstation Optional (v. 7) exiv2-devel-0.27.0-2.el7_6, exiv2-doc-0.27.0-2.el7_6
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2019:2101 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2019:2101 |
| Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2019:2101 |
| Red Hat Enterprise Linux ComputeNode Optional (v. 7) | Fixed | RHSA-2019:2101 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:2101 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2019:2101 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:2101 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2019:2101 |
Not affected: 2 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2017-17724
- 2026-10-03 Alias added: GHSA-wrhh-wfqw-8957
References
More Exiv2 vulnerabilities
- TI-2020-13478 Buffer Overflow vulnerability in tEXtToDataBuf function in pngimage.cpp in Exiv2 0.27.1… CVSS 3.1HIGH 7.8
- TI-2025-19560 Use After Free in Exiv2 CVSS 4.0MEDIUM 5.3
- TI-2020-13491 An uncontrolled memory allocation in DataBufdata(subBox.length-sizeof(box)) function of… CVSS 3.1MEDIUM 6.5
- TI-2018-08245 Exiv2 0.26 has a heap-based buffer overflow in getData in preview.cpp. CVSS 3.0CRITICAL 9.8
- TI-2025-33923 Exiv2 Segmentation Faults in Exiv2::EpsImage::writeMetadata() via crafted EPS file CVSS 4.0LOW 1.8
- TI-2019-06608 An issue was discovered in Exiv2 0.27. CVSS 3.0HIGH 8.8
Sources
- CVE-2017-17724 · CVE Program
- CVE-2017-17724 · NVD
- FIRST EPSS
- GHSA-wrhh-wfqw-8957 · GitHub Advisory Database · CC BY 4.0
- CVE-2017-17724 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences