CVE-2015-6673

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

9.8 CriticalFix available

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.91%Up 0.7 points since Feb 4, 2022

What each source reports

NVD Score used 9.8

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Record: CVE-2015-6673
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-416
Updated: 2026-11-02

CVE List No score

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Record: CVE-2015-6673
Updated: 2026-11-02

EUVDEUVD-2015-6611 No score

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Record: EUVD-2015-6611
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2v33-9pfj-w95c 9.8

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Record: GHSA-2v33-9pfj-w95c
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-416
Updated: 2026-11-02

OSV 9.8

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Record: CVE-2015-6673
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2015-6673 9.8

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Record: DEBIAN-CVE-2015-6673
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

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OSVUBUNTU-CVE-2015-6673 9.8

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32.

Record: UBUNTU-CVE-2015-6673
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVMGASA-2019-0014 No score

Updated libpgf packages fix security vulnerability

Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32 (CVE-2015-6673).

Record: MGASA-2019-0014
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10298-1 No score

libpgf-devel-6.14.12-4.6 on GA media

These are all security issues fixed in the libpgf-devel-6.14.12-4.6 package on the GA media of openSUSE Tumbleweed.

Record: openSUSE-SU-2024:10298-1
Updated: 2026-11-02

OSVUSN-4554-1 No score

libpgf vulnerability

It was discovered that libPGF lacked proper validation when opening a specially crafted PGF file. An attacker could possibly use this issue to cause a denial of service.

Record: USN-4554-1
Updated: 2026-11-02

Affected products

libpgf

Affected packages

Affected packages
Package	Affected	Fixed
`libpgf` Debian:12	before 6.14.12-3.2	6.14.12-3.2
`libpgf` Debian:13	before 6.14.12-3.2	6.14.12-3.2
`libpgf` Debian:14	before 6.14.12-3.2	6.14.12-3.2
`libpgf` Debian:8	before 6.14.12-3+deb8u1, plus listed versions 6.14.12-3	6.14.12-3+deb8u1
`libpgf` Mageia:6	before 6.12.24-7.1.mga6	6.12.24-7.1.mga6
`libpgf` Ubuntu:16.04:LTS	before 6.14.12-3.1ubuntu0.1, plus listed versions 6.14.12-36.14.12-3.1	6.14.12-3.1ubuntu0.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-6673 is a critical vulnerability (CVSS 9.8) in Libpgf, published September 20, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.91%, the 79th percentile. Fixed in libpgf 6.14.12-3.2.

References

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