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Fencer Vulns
medium 4.3

CVE-2020-0499 json

In FLAC__bitreader_read_rice_signed_block of bitreader.c, there is a possible out of bounds read due to a heap buffer overflow.

published 2020-12-15 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-1997

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.1%
EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

In FLAC__bitreader_read_rice_signed_block of bitreader.c, there is a possible out of bounds read due to a heap buffer overflow. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-156076070

Patch / fix

  • flac Debian 14, Debian 13, Debian 12 1.3.3-2

debian advisories DEBIAN-CVE-2020-0499

  • flac Ubuntu 18.04 LTS 1.3.2-1ubuntu0.1
  • flac Ubuntu 20.04 LTS 1.3.3-1ubuntu0.1
  • flac Ubuntu Pro 14.04 LTS 1.3.0-2ubuntu0.14.04.1+esm1
  • flac Ubuntu Pro 16.04 LTS 1.3.1-4ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2020-0499

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

  • flac SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +16 more 1.3.0-12.3.1
  • flac SLES for SAP 15, SLES 15-LTSS, SLE Module for Package Hub 15 SP2 +5 more 1.3.2-3.6.1

suse advisories SUSE-SU-2021:0017-1SUSE-SU-2020:3933-1

  • flac openSUSE Tumbleweed 1.3.4-1.1
  • vlc openSUSE Tumbleweed 3.0.17-1.1
  • vlc Package Hub 15 SP3, openSUSE Leap 15.3 3.0.18-bp153.2.6.1
  • flac openSUSE Leap 15.2 1.3.2-lp152.5.3.1
  • flac openSUSE Leap 15.1 1.3.2-lp151.4.3.1

opensuse advisories openSUSE-SU-2024:11885-1openSUSE-SU-2024:11951-1openSUSE-SU-2022:10252-1openSUSE-SU-2020:2350-1openSUSE-SU-2020:2348-1

  • flac Alpine 3.24, Alpine 3.23, Alpine 3.22 +10 more 1.3.4-r0

alpine advisories ALPINE-CVE-2020-0499

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • flac Arch Linux 1.3.3-3

arch linux advisories AVG-1376

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-2020-0499 updated cvss 4.3

flac: out-of-bounds read can lead to denial of service

  • Red Hat Enterprise Linux 6 flac Red Hat Enterprise Linux 7 flac, flac-libs
    affected: no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 flac, flac-libs
    affected: no fix available “Fix deferred”
  • Red Hat Enterprise Linux 9 flac, flac-libs
    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

4.08% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • n/a Android

Classification

Weakness

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.