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Fencer Vulns
high 8.8

CVE-2017-2816 json

An exploitable buffer overflow vulnerability exists in the tag parsing functionality of LibOFX 0.9.11.

published 2017-09-13 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-11957

cvss
8.8
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

An exploitable buffer overflow vulnerability exists in the tag parsing functionality of LibOFX 0.9.11. A specially crafted OFX file can cause a write out of bounds resulting in a buffer overflow on the stack. An attacker can construct a malicious OFX file to trigger this vulnerability.

Patch / fix

  • libofx Debian 14, Debian 13, Debian 12 1:0.9.11-4

debian advisories DEBIAN-CVE-2017-2816

  • libofx Ubuntu 16.04 LTS 1:0.9.10-1+deb8u1build0.16.04.1

ubuntu advisories UBUNTU-CVE-2017-2816

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libofx SLED 12 SP3, SLE Workstation Extension 12 SP3, SLE Software Development Kit 12 SP3 0.9.9-3.7.1
  • libofx SLE Software Development Kit 11 SP4 0.9.0-3.7.1

suse advisories SUSE-SU-2018:2064-1SUSE-SU-2018:2045-1

  • libofx Arch Linux 0.9.12-1

arch linux advisories AVG-534

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-2816 updated cvss 7.3

libofx: Stack-based buffer over-write in sanitize_proprietary_tags function in lib/ofx_preproc.cpp

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.39% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • talosintelligence.com https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0317 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • LibOFX LibOfx

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.