samples/geotag.cpp in the example code of Exiv2 0.26 misuses the realpath function on POSIX platforms (other than Apple platforms) where gli
samples/geotag.cpp in the example code of Exiv2 0.26 misuses the realpath function on POSIX platforms (other than Apple platforms) where glibc is not used, possibly leading to a buffer overflow.
- Published
- Jul 17, 2018
- Updated
- Jun 16, 2026
- EPSS
- 1.4% · 72th percentile
- CWE
- CWE-119
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
32
Monitor
Low priority for now.
- CVSS
- 32 / 40 · 8.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.4%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| exiv2 | exiv2 | cpe:2.3:a:exiv2:exiv2 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- exiv2 exiv20.26
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| AlmaLinux:8 | exiv2-devel | before 0.27.2-5.el8 | 0.27.2-5.el8 |
| AlmaLinux:8 | exiv2-doc | before 0.27.2-5.el8 | 0.27.2-5.el8 |
| AlmaLinux:8 | gegl | before 0.2.0-39.el8 | 0.2.0-39.el8 |
| AlmaLinux:8 | gnome-color-manager | before 3.28.0-3.el8 | 3.28.0-3.el8 |
| AlmaLinux:8 | libgexiv2 | before 0.10.8-4.el8 | 0.10.8-4.el8 |
| AlmaLinux:8 | libgexiv2-devel | before 0.10.8-4.el8 | 0.10.8-4.el8 |
| Debian:12 | exiv2 | all versions | — |
| Red Hat:enterprise_linux:8::appstream | exiv2 | before 0:0.27.2-5.el8 | 0:0.27.2-5.el8 |
| Red Hat:enterprise_linux:8::appstream | exiv2-debuginfo | before 0:0.27.2-5.el8 | 0:0.27.2-5.el8 |
| Red Hat:enterprise_linux:8::appstream | exiv2-debugsource | before 0:0.27.2-5.el8 | 0:0.27.2-5.el8 |
| Red Hat:enterprise_linux:8::appstream | exiv2-libs | before 0:0.27.2-5.el8 | 0:0.27.2-5.el8 |
| Red Hat:enterprise_linux:8::appstream | exiv2-libs-debuginfo | before 0:0.27.2-5.el8 | 0:0.27.2-5.el8 |
| Red Hat:enterprise_linux:8::appstream | gegl | before 0:0.2.0-39.el8 | 0:0.2.0-39.el8 |
| Red Hat:enterprise_linux:8::appstream | gegl-debuginfo | before 0:0.2.0-39.el8 | 0:0.2.0-39.el8 |
| Red Hat:enterprise_linux:8::appstream | gegl-debugsource | before 0:0.2.0-39.el8 | 0:0.2.0-39.el8 |
| Red Hat:enterprise_linux:8::appstream | gnome-color-manager | before 0:3.28.0-3.el8 | 0:3.28.0-3.el8 |
| Red Hat:enterprise_linux:8::appstream | gnome-color-manager-debuginfo | before 0:3.28.0-3.el8 | 0:3.28.0-3.el8 |
| Red Hat:enterprise_linux:8::appstream | gnome-color-manager-debugsource | before 0:3.28.0-3.el8 | 0:3.28.0-3.el8 |
| Red Hat:enterprise_linux:8::appstream | libgexiv2 | before 0:0.10.8-4.el8 | 0:0.10.8-4.el8 |
| Red Hat:enterprise_linux:8::appstream | libgexiv2-debuginfo | before 0:0.10.8-4.el8 | 0:0.10.8-4.el8 |
| Red Hat:enterprise_linux:8::appstream | libgexiv2-debugsource | before 0:0.10.8-4.el8 | 0:0.10.8-4.el8 |
| Red Hat:enterprise_linux:8::crb | exiv2-devel | before 0:0.27.2-5.el8 | 0:0.27.2-5.el8 |
| Red Hat:enterprise_linux:8::crb | exiv2-doc | before 0:0.27.2-5.el8 | 0:0.27.2-5.el8 |
| Red Hat:enterprise_linux:8::crb | libgexiv2-devel | before 0:0.10.8-4.el8 | 0:0.10.8-4.el8 |
+4
Same product
exiv2: all recordsOther highest-scoring records for the same primary product.
- CVE-2018-11531Exiv2 0.26 has a heap-based buffer overflow in getData in preview.cpp.40Plan
- CVE-2019-9144An issue was discovered in Exiv2 0.27.36Monitor
- CVE-2019-9143An issue was discovered in Exiv2 0.27.36Monitor
- CVE-2018-14046Exiv2 0.26 has a heap-based buffer over-read in WebPImage::decodeChunks in webpimage.cpp.36Monitor
- CVE-2018-12265Exiv2 0.26 has an integer overflow in the LoaderExifJpeg class in preview.cpp, leading to an out-of-bounds read in Exiv2::MemIo::read in bas36Monitor
- CVE-2018-12264Exiv2 0.26 has integer overflows in LoaderTiff::getData() in preview.cpp, leading to an out-of-bounds read in Exiv2::ValueType::setDataArea 36Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| almalinux:exiv2-devel | 0.27.2-5.el8 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:exiv2-doc | 0.27.2-5.el8 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:gegl | 0.2.0-39.el8 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:gnome-color-manager | 3.28.0-3.el8 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:libgexiv2 | 0.10.8-4.el8 · AlmaLinux:8 | Package registry (OSV) |
| almalinux:libgexiv2-devel | 0.10.8-4.el8 · AlmaLinux:8 | Package registry (OSV) |
| red hat:exiv2 | 0:0.27.2-5.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:exiv2-debuginfo | 0:0.27.2-5.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:exiv2-debugsource | 0:0.27.2-5.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:exiv2-libs | 0:0.27.2-5.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:exiv2-libs-debuginfo | 0:0.27.2-5.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:gegl | 0:0.2.0-39.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:gegl-debuginfo | 0:0.2.0-39.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:gegl-debugsource | 0:0.2.0-39.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:gnome-color-manager | 0:3.28.0-3.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:gnome-color-manager-debuginfo | 0:3.28.0-3.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:gnome-color-manager-debugsource | 0:3.28.0-3.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| red hat:libgexiv2 | 0:0.10.8-4.el8 · Red Hat:enterprise_linux:8::appstream | Package registry (OSV) |
| rocky linux:exiv2 | 0:0.27.2-5.el8 · Rocky Linux:8 | Package registry (OSV) |
| rocky linux:gegl | 0:0.2.0-39.el8 · Rocky Linux:8 | Package registry (OSV) |
| rocky linux:gnome-color-manager | 0:3.28.0-3.el8 · Rocky Linux:8 | Package registry (OSV) |
| rocky linux:libgexiv2 | 0:0.10.8-4.el8 · Rocky Linux:8 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory BufferCVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- Buffer Overflow via Environment VariablesCAPEC-10likelihood: High · High
- Overflow BuffersCAPEC-100likelihood: High · Very High
- Buffer ManipulationCAPEC-123likelihood: High · Very High
- Client-side Injection-induced Buffer OverflowCAPEC-14likelihood: Medium · High
- Filter Failure through Buffer OverflowCAPEC-24likelihood: High · High
- MIME ConversionCAPEC-42likelihood: High · High
- Overflow Binary Resource FileCAPEC-44likelihood: High · Very High
- Buffer Overflow via Symbolic LinksCAPEC-45likelihood: High · High
ATT&CK techniques
—
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →