# CVE-2017-7544: Information disclosure in libexif

> An out-of-bounds heap read in libexif allows attackers to cause denial of service or disclose sensitive information via crafted Exif data.

- **Severity:** Critical 9.1 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 21 Sep 2017
- **Updated:** 5 Aug 2024
- **Also known as:** ALPINE-CVE-2017-7544, DEBIAN-CVE-2017-7544, GHSA-552w-mcq2-q5xm, MGASA-2018-0113, SUSE-SU-2018:0195-1, UBUNTU-CVE-2017-7544

## What is CVE-2017-7544?

CVE-2017-7544 is a critical vulnerability in Red Hat, Inc. libexif, published on 21 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

libexif through 0.6.21 is vulnerable to out-of-bounds heap read vulnerability in exif_data_save_data_entry function in libexif/exif-data.c caused by improper length computation of the allocated data of an ExifMnote entry which can cause denial-of-service or possibly information disclosure.

Weakness: CWE-125 (Out-of-bounds Read)

## Which versions are affected by CVE-2017-7544?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `libexif` | SUSE:Linux Enterprise Server 11 SP4 | All versions | 0.6.17-2.14.3.1 |
| `libexif` | SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 0.6.17-2.14.3.1 |
| `libexif` | SUSE:Linux Enterprise Software Development Kit 11 SP4 | All versions | 0.6.17-2.14.3.1 |

Products: Libexif Project Libexif.

## How do I fix CVE-2017-7544?

Apply the vendor's patch.

## Is CVE-2017-7544 being exploited?

There is no known exploitation of CVE-2017-7544 in the wild and no public exploit code.

## Other vulnerabilities in Red Hat, Inc. libexif

- [CVE-2018-20030](https://insights.sbomify.com/CVE-2018-20030/): Denial of service in libexif (high 7.5)
- [CVE-2012-2814](https://insights.sbomify.com/CVE-2012-2814/): Memory corruption in n/a (high 7.5)
- [CVE-2012-2840](https://insights.sbomify.com/CVE-2012-2840/): Integer overflow in n/a (high 7.5)
- [CVE-2012-2841](https://insights.sbomify.com/CVE-2012-2841/): Integer overflow in n/a (high 7.5)
- [CVE-2026-32775](https://insights.sbomify.com/CVE-2026-32775/): Integer overflow in libexif (high 7.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-7544 and fix it if it is affected.

What it is: CVE-2017-7544 is a critical vulnerability in Red Hat, Inc. libexif, published on 21 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2017-7544 in the wild and no public exploit code.

Affected product: Red Hat, Inc. libexif. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2017-7544/ (Markdown: https://insights.sbomify.com/CVE-2017-7544/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-7544
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-7544
- OSV: https://osv.dev/vulnerability/CVE-2017-7544

---
From sbomify Insights: https://insights.sbomify.com/CVE-2017-7544/
Summaries are generated and may contain mistakes; the official description above is the record.