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Vulnerability details: VCID-n9vh-b53a-qfbt
Vulnerability ID VCID-n9vh-b53a-qfbt
Aliases CVE-2024-56431
Summary libtheora: incorrect bitwise shift in huffdec.c
Status Disputed
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-1335 Incorrect Bitwise Shift of Integer
System Score Found at
cvssv3 3.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-56431.json
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.01861 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02307 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02307 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02307 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02337 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02337 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02337 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02337 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02337 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.02507 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.03095 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.03095 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.03095 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.03095 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.03095 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.03095 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05111 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05648 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.05989 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
epss 0.07751 https://api.first.org/data/v1/epss?cve=CVE-2024-56431
cvssv3.1 5.9 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 9.8 https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC
ssvc Track https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC
cvssv3.1 9.8 https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193
ssvc Track https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193
cvssv3.1 9.8 https://github.com/xiph/theora/issues/17#issuecomment-2480630603
ssvc Track https://github.com/xiph/theora/issues/17#issuecomment-2480630603
cvssv3.1 9.8 https://www.openwall.com/lists/oss-security/2025/04/25/6
ssvc Track https://www.openwall.com/lists/oss-security/2025/04/25/6
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-56431.json
https://api.first.org/data/v1/epss?cve=CVE-2024-56431
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-56431
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
http://www.openwall.com/lists/oss-security/2025/04/25/4
http://www.openwall.com/lists/oss-security/2025/04/25/6
1091633 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1091633
17#issuecomment-2480630603 https://github.com/xiph/theora/issues/17#issuecomment-2480630603
2334093 https://bugzilla.redhat.com/show_bug.cgi?id=2334093
6 https://www.openwall.com/lists/oss-security/2025/04/25/6
cpe:2.3:a:xiph:libtheora:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:xiph:libtheora:*:*:*:*:*:*:*:*
cpe:2.3:a:xiph:theora:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:xiph:theora:*:*:*:*:*:*:*:*
CVE-2024-56431 https://nvd.nist.gov/vuln/detail/CVE-2024-56431
huffdec.c#L193 https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193
libtheora-CVE-2024-56431-PoC https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-56431.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-12-31T18:42:33Z/ Found at https://github.com/UnionTech-Software/libtheora-CVE-2024-56431-PoC
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-12-31T18:42:33Z/ Found at https://github.com/xiph/theora/blob/7180717276af1ebc7da15c83162d6c5d6203aabf/lib/huffdec.c#L193
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/xiph/theora/issues/17#issuecomment-2480630603
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-12-31T18:42:33Z/ Found at https://github.com/xiph/theora/issues/17#issuecomment-2480630603
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://www.openwall.com/lists/oss-security/2025/04/25/6
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2024-12-31T18:42:33Z/ Found at https://www.openwall.com/lists/oss-security/2025/04/25/6
Exploit Prediction Scoring System (EPSS)
Percentile 0.17386
EPSS Score 0.00045
Published At Dec. 27, 2024, midnight
Date Actor Action Source VulnerableCode Version
2025-05-13T09:33:33.169241+00:00 NVD CVE Status Improver Improve https://cveawg.mitre.org/api/cve/CVE-2024-56431 36.0.0
2024-12-26T18:09:39.678723+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2024-56431.json 35.0.0