A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote…
Priority LOW 32CWE-674Published · 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
- Partial Red Hat: 2 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-674.
Summary
A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.
Why it matters now
EPSS 0.01432 73rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 2 fixed, 2 without a fix
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 2 advisories
- RHSA-2022:1842 Released 2022-05-10 · Red Hat rating Moderateexiv2 security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) exiv2-0.27.5-2.el8, exiv2-libs-0.27.5-2.el8
- Red Hat Enterprise Linux CRB (v. 8) exiv2-devel-0.27.5-2.el8, exiv2-doc-0.27.5-2.el8
- RHSA-2022:1797 Released 2022-05-10 · Red Hat rating Moderatecompat-exiv2-026 security update
- Red Hat Enterprise Linux AppStream (v. 8) compat-exiv2-026-0.26-7.el8
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2022:1797, RHSA-2022:1842 |
| Red Hat Enterprise Linux CRB (v. 8) | Fixed | RHSA-2022:1842 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2020-18898
- 2026-10-03 Alias added: GHSA-g97p-564p-26xp
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-2020-18898 · CVE Program
- CVE-2020-18898 · NVD
- FIRST EPSS
- GHSA-g97p-564p-26xp · GitHub Advisory Database · CC BY 4.0
- CVE-2020-18898 · 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