CVE-2023-31490
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service...
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
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
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.5
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
CVE-2023-31490- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
CVE List No score
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
CVE-2023-31490- Updated
- 2026-11-02
EUVDEUVD-2023-35795 No score
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
EUVD-2023-35795- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jc82-c2xg-g578
7.5
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service...
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
GHSA-jc82-c2xg-g578- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVAZL-26729
7.5
CVE-2023-31490 affecting package frr for versions less than 8.5.1-2
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
AZL-26729- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2023-31490
7.5
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
DEBIAN-CVE-2023-31490- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Show 13 moreShow less
OSVRHSA-2024:2156
7.5
Red Hat Security Advisory: frr security update
- Record
RHSA-2024:2156- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVRHSA-2024:2981
7.5
Red Hat Security Advisory: frr security update
- Record
RHSA-2024:2981- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVRLSA-2024:2981
7.5
Moderate: frr security update
FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.
Security Fix(es):
-
frr: missing length check in bgp_attr_psid_sub() can lead do DoS (CVE-2023-31490)
-
frr: processes invalid NLRIs if attribute length is zero (CVE-2023-41358)
-
frr: NULL pointer dereference in bgp_nlri_parse_flowspec() in bgpd/bgp_flowspec.c (CVE-2023-41909)
-
frr: mishandled malformed data leading to a crash (CVE-2023-46752)
-
frr: crafted BGP UPDATE message leading to a crash (CVE-2023-46753)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Rocky Linux 8.10 Release Notes linked from the References section.
- Record
RLSA-2024:2981- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2023-31490
7.5
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
UBUNTU-CVE-2023-31490- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVALSA-2024:2156 No score
Moderate: frr security update
FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.
Security Fix(es):
- frr: incorrect length check in bgp_capability_llgr() can lead do DoS (CVE-2023-31489)
- frr: missing length check in bgp_attr_psid_sub() can lead do DoS (CVE-2023-31490)
- frr: processes invalid NLRIs if attribute length is zero (CVE-2023-41358)
- frr: out of bounds read in bgp_attr_aigp_valid (CVE-2023-41359)
- frr: NULL pointer dereference in bgp_nlri_parse_flowspec() in bgpd/bgp_flowspec.c (CVE-2023-41909)
- frr: mishandled malformed data leading to a crash (CVE-2023-46752)
- frr: crafted BGP UPDATE message leading to a crash (CVE-2023-46753)
- frr: ahead-of-stream read of ORF header (CVE-2023-41360)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
- Record
ALSA-2024:2156- Updated
- 2026-11-02
OSVALSA-2024:2981 No score
Moderate: frr security update
FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.
Security Fix(es):
- frr: missing length check in bgp_attr_psid_sub() can lead do DoS (CVE-2023-31490)
- frr: processes invalid NLRIs if attribute length is zero (CVE-2023-41358)
- frr: NULL pointer dereference in bgp_nlri_parse_flowspec() in bgpd/bgp_flowspec.c (CVE-2023-41909)
- frr: mishandled malformed data leading to a crash (CVE-2023-46752)
- frr: crafted BGP UPDATE message leading to a crash (CVE-2023-46753)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.
- Record
ALSA-2024:2981- Updated
- 2026-11-02
OSVCLSA-2025-1762363302 No score
frr: Fix of 4 CVEs
- CVE-2022-36440: fix heap-buffer-overflow in peek_for_as4_capability when reading BGP OPEN extended optional parameters
- CVE-2023-31490: fix insufficient stream data validation in BGP prefix SID attributes processing
- CVE-2023-38407: fix out-of-bounds read in BGP labeled unicast parsing
- CVE-2023-41909: fix implicit withdrawal handling for BGP flowspec without attributes
- Record
CLSA-2025-1762363302- Updated
- 2026-11-02
OSV No score
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
- Record
CVE-2023-31490- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:12967-1 No score
frr-8.4-4.1 on GA media
These are all security issues fixed in the frr-8.4-4.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:12967-1- Updated
- 2026-11-02
OSVSUSE-SU-2023:2518-1 No score
Security update for frr
This update for frr fixes the following issues:
- CVE-2023-31489: Fixed a remote denial of service via a malformed BGP packet (bsc#1211248).
- CVE-2023-31490: Fixed a remote denial of service via a malformed BGP packet (bsc#1211249).
- Record
SUSE-SU-2023:2518-1- Updated
- 2026-11-02
OSVSUSE-SU-2024:4090-1 No score
Security update for frr
This update for frr fixes the following issues:
Update to frr 8.5.6 (jsc#PED-PED-11092) including fixes for:
- CVE-2024-44070,CVE-2024-34088,CVE-2024-31951,CVE-2024-31950, CVE-2024-31948,CVE-2024-27913,CVE-2023-47235,CVE-2023-47234, CVE-2023-46753,CVE-2023-46752,CVE-2023-41909,CVE-2023-41360, CVE-2023-41358,CVE-2023-38802,CVE-2023-38407,CVE-2023-38406, CVE-2023-3748,CVE-2023-31490,CVE-2023-31489 and other bugfixes. See https://frrouting.org/release/8.5.6/ for details.
The most recent frr 8.x series provides several new features, improvements and bug fixes for various protocols and daemons, especially for PIM/PIMv6/BGP and VRF support.
See https://frrouting.org/release/8.5/ for details and links.
- Record
SUSE-SU-2024:4090-1- Updated
- 2026-11-02
OSVUSN-6136-1 No score
frr vulnerabilities
It was discovered that FRR incorrectly handled parsing certain BGP messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. This issue only affected Ubuntu 23.04. (CVE-2023-31489)
It was discovered that FRR incorrectly handled parsing certain BGP messages. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-31490)
- Record
USN-6136-1- Updated
- 2026-11-02
OSVUSN-6807-1 No score
frr vulnerabilities
It was discovered that FRR incorrectly handled certain network traffic. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2022-26126, CVE-2022-26127, CVE-2022-26128, CVE-2022-26129, CVE-2022-37032, CVE-2022-37035, CVE-2023-31490, CVE-2023-38406, CVE-2023-38407, CVE-2023-46752, CVE-2023-46753, CVE-2023-47234, CVE-2023-47235, CVE-2024-31948)
Ben Cartwright-Cox discovered that FRR incorrectly handled certain network traffic. A remote attacker could possibly use this issue to cause FRR to crash, resulting in a denial of service. (CVE-2023-38802)
- Record
USN-6807-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
frrAlmaLinux:9 |
before 8.5.3-4.el9 | 8.5.3-4.el9 |
frr-selinuxAlmaLinux:9 |
before 8.5.3-4.el9 | 8.5.3-4.el9 |
frrAlmaLinux:8 |
before 7.5.1-22.el8 | 7.5.1-22.el8 |
frr-selinuxAlmaLinux:8 |
before 7.5.1-22.el8 | 7.5.1-22.el8 |
frrAzure Linux:2 |
before 8.5.1-2 | 8.5.1-2 |
frrTuxCare:AlmaLinux:9.2 |
before 8.3.1-5.el9.2.alma.tuxcare.els2 | 8.3.1-5.el9.2.alma.tuxcare.els2 |
frr-selinuxTuxCare:AlmaLinux:9.2 |
before 8.3.1-5.el9.2.alma.tuxcare.els2 | 8.3.1-5.el9.2.alma.tuxcare.els2 |
frrDebian:12 |
before 8.4.4-1.1~deb12u1, plus listed versions 8.4.2-18.4.4-1 |
8.4.4-1.1~deb12u1 |
frrDebian:13 |
before 8.4.4-1 | 8.4.4-1 |
frrDebian:14 |
before 8.4.4-1 | 8.4.4-1 |
Show 20 moreShow less
| Package | Affected | Fixed |
|---|---|---|
frrDebian:10 |
before 7.5.1-1.1+deb10u1, plus listed versions 6.0.2-26.0.2-2+deb10u16.0.2-2+deb10u27.2-17.2.1-1 Show 7 moreShow less7.3.1-17.4-17.4-1.17.4-27.5-17.5.1-17.5.1-1.1 |
7.5.1-1.1+deb10u1 |
frrDebian:11 |
before 7.5.1-1.1+deb11u2, plus listed versions 7.5.1-1.17.5.1-1.1+deb11u1 |
7.5.1-1.1+deb11u2 |
frrRed Hat:enterprise_linux:9::appstream |
before 0:8.5.3-4.el9 | 0:8.5.3-4.el9 |
frr-debuginfoRed Hat:enterprise_linux:9::appstream |
before 0:8.5.3-4.el9 | 0:8.5.3-4.el9 |
frr-debugsourceRed Hat:enterprise_linux:9::appstream |
before 0:8.5.3-4.el9 | 0:8.5.3-4.el9 |
frr-selinuxRed Hat:enterprise_linux:9::appstream |
before 0:8.5.3-4.el9 | 0:8.5.3-4.el9 |
frrRed Hat:enterprise_linux:8::appstream |
before 0:7.5.1-22.el8 | 0:7.5.1-22.el8 |
frr-debuginfoRed Hat:enterprise_linux:8::appstream |
before 0:7.5.1-22.el8 | 0:7.5.1-22.el8 |
frr-debugsourceRed Hat:enterprise_linux:8::appstream |
before 0:7.5.1-22.el8 | 0:7.5.1-22.el8 |
frr-selinuxRed Hat:enterprise_linux:8::appstream |
before 0:7.5.1-22.el8 | 0:7.5.1-22.el8 |
frrRocky Linux:8 |
before 0:7.5.1-22.el8 | 0:7.5.1-22.el8 |
frrSUSE:Linux Enterprise Module for Server Applications 15 SP5 |
before 8.4-150500.4.3.1 | 8.4-150500.4.3.1 |
frropenSUSE:Leap 15.5 |
before 8.4-150500.4.3.1 | 8.4-150500.4.3.1 |
frrSUSE:Linux Enterprise Module for Server Applications 15 SP5 |
before 8.5.6-150500.4.30.1 | 8.5.6-150500.4.30.1 |
frrSUSE:Linux Enterprise Module for Server Applications 15 SP6 |
before 8.5.6-150500.4.30.1 | 8.5.6-150500.4.30.1 |
frropenSUSE:Leap 15.5 |
before 8.5.6-150500.4.30.1 | 8.5.6-150500.4.30.1 |
frropenSUSE:Leap 15.6 |
before 8.5.6-150500.4.30.1 | 8.5.6-150500.4.30.1 |
frrUbuntu:Pro:20.04:LTS |
before 7.2.1-1ubuntu0.2+esm2, plus listed versions 6.0.2-2build27.2-1ubuntu17.2-1ubuntu27.2.1-17.2.1-1ubuntu0.17.2.1-1ubuntu0.27.2.1-1ubuntu0.2+esm1 |
7.2.1-1ubuntu0.2+esm2 |
frrUbuntu:22.04:LTS |
before 8.1-1ubuntu1.4, plus listed versions 7.5.1-1.18.1-18.1-1ubuntu18.1-1ubuntu1.18.1-1ubuntu1.28.1-1ubuntu1.3 |
8.1-1ubuntu1.4 |
frropenSUSE:Tumbleweed |
before 8.4-4.1 | 8.4-4.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-31490 is a high vulnerability (CVSS 7.5) in Frrouting, published May 9, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.15%, the 82nd percentile. Fixed in frr 8.5.3-4.el9.
References
github.com/FRRouting/frr/issues/13099
debian.org/security/2023/dsa-5495
lists.debian.org/debian-lts-announce/2023/09/msg00020.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4
Show 107 moreShow less
nvd.nist.gov/vuln/detail/CVE-2023-31490
github.com/advisories/GHSA-jc82-c2xg-g578
access.redhat.com/errata/RHSA-2024:2156
access.redhat.com/security/cve/CVE-2023-31489
access.redhat.com/security/cve/CVE-2023-31490
access.redhat.com/security/cve/CVE-2023-41358
access.redhat.com/security/cve/CVE-2023-41359
access.redhat.com/security/cve/CVE-2023-41360
access.redhat.com/security/cve/CVE-2023-41909
access.redhat.com/security/cve/CVE-2023-46752
access.redhat.com/security/cve/CVE-2023-46753
bugzilla.redhat.com/2235839
bugzilla.redhat.com/2235840
bugzilla.redhat.com/2235842
bugzilla.redhat.com/2237416
bugzilla.redhat.com/2238990
bugzilla.redhat.com/2238992
bugzilla.redhat.com/2246379
bugzilla.redhat.com/2246381
errata.almalinux.org/9/ALSA-2024-2156.html
access.redhat.com/errata/RHSA-2024:2981
errata.almalinux.org/8/ALSA-2024-2981.html
errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2025-1762363302.html
github.com/CVEProject/cvelistV5/tree/main/cves/2023/31xxx/CVE-2023-31490.json
security-tracker.debian.org/tracker/CVE-2023-31490
access.redhat.com/security/updates/classification
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/9/html/9.4_release_notes/index
bugzilla.redhat.com/show_bug.cgi?id=2235839
bugzilla.redhat.com/show_bug.cgi?id=2235840
bugzilla.redhat.com/show_bug.cgi?id=2235842
bugzilla.redhat.com/show_bug.cgi?id=2237416
bugzilla.redhat.com/show_bug.cgi?id=2238990
bugzilla.redhat.com/show_bug.cgi?id=2238992
bugzilla.redhat.com/show_bug.cgi?id=2246379
bugzilla.redhat.com/show_bug.cgi?id=2246381
issues.redhat.com/browse/RHEL-11664
issues.redhat.com/browse/RHEL-15291
security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_2156.json
cve.org/CVERecord?id=CVE-2023-31489
nvd.nist.gov/vuln/detail/CVE-2023-31489
cve.org/CVERecord?id=CVE-2023-31490
cve.org/CVERecord?id=CVE-2023-41358
nvd.nist.gov/vuln/detail/CVE-2023-41358
github.com/FRRouting/frr/pull/14260
cve.org/CVERecord?id=CVE-2023-41359
nvd.nist.gov/vuln/detail/CVE-2023-41359
github.com/FRRouting/frr/pull/14232
cve.org/CVERecord?id=CVE-2023-41360
nvd.nist.gov/vuln/detail/CVE-2023-41360
github.com/FRRouting/frr/pull/14245
cve.org/CVERecord?id=CVE-2023-41909
nvd.nist.gov/vuln/detail/CVE-2023-41909
cve.org/CVERecord?id=CVE-2023-46752
nvd.nist.gov/vuln/detail/CVE-2023-46752
github.com/FRRouting/frr/pull/14645/commits/b08afc81c60607a4f736f418f2e3eb06087f1a35
cve.org/CVERecord?id=CVE-2023-46753
nvd.nist.gov/vuln/detail/CVE-2023-46753
github.com/FRRouting/frr/pull/14645/commits/d8482bf011cb2b173e85b65b4bf3d5061250cdb9
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.10_release_notes/index
issues.redhat.com/browse/RHEL-12039
issues.redhat.com/browse/RHEL-22303
issues.redhat.com/browse/RHEL-2263
issues.redhat.com/browse/RHEL-6583
security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_2981.json
errata.rockylinux.org/RLSA-2024:2981
suse.com/support/update/announcement/2023/suse-su-20232518-1
bugzilla.suse.com/1211248
bugzilla.suse.com/1211249
suse.com/security/cve/CVE-2023-31489
suse.com/security/cve/CVE-2023-31490
suse.com/support/update/announcement/2024/suse-su-20244090-1
suse.com/security/cve/CVE-2023-3748
suse.com/security/cve/CVE-2023-38406
suse.com/security/cve/CVE-2023-38407
suse.com/security/cve/CVE-2023-38802
suse.com/security/cve/CVE-2023-41358
suse.com/security/cve/CVE-2023-41360
suse.com/security/cve/CVE-2023-41909
suse.com/security/cve/CVE-2023-46752
suse.com/security/cve/CVE-2023-46753
suse.com/security/cve/CVE-2023-47234
suse.com/security/cve/CVE-2023-47235
suse.com/security/cve/CVE-2024-27913
suse.com/security/cve/CVE-2024-31948
suse.com/security/cve/CVE-2024-31950
suse.com/security/cve/CVE-2024-31951
suse.com/security/cve/CVE-2024-34088
suse.com/security/cve/CVE-2024-44070
ubuntu.com/security/CVE-2023-31490
github.com/FRRouting/frr/pull/12454
ubuntu.com/security/notices/USN-6136-1
ubuntu.com/security/notices/USN-6807-1
ubuntu.com/security/CVE-2023-31489
ubuntu.com/security/CVE-2022-26126
ubuntu.com/security/CVE-2022-26127
ubuntu.com/security/CVE-2022-26128
ubuntu.com/security/CVE-2022-26129
ubuntu.com/security/CVE-2022-37032
ubuntu.com/security/CVE-2022-37035
ubuntu.com/security/CVE-2023-38406
ubuntu.com/security/CVE-2023-38407
ubuntu.com/security/CVE-2023-38802
ubuntu.com/security/CVE-2023-46752
ubuntu.com/security/CVE-2023-46753
ubuntu.com/security/CVE-2023-47234
ubuntu.com/security/CVE-2023-47235
ubuntu.com/security/CVE-2024-31948