Every CVE Search/ Get API key

CVE-2023-31490

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service...

7.5 HighFix available

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

2.15%Up 2.1 points since May 10, 2023
90%50%10%1%

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 HighCVSS: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 HighCVSS: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 HighCVSS: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 HighCVSS: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 HighCVSS: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 HighCVSS: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 HighCVSS: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 HighCVSS: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

Affected packages
PackageAffectedFixed
frr
AlmaLinux:9
before 8.5.3-4.el9
8.5.3-4.el9
frr-selinux
AlmaLinux:9
before 8.5.3-4.el9
8.5.3-4.el9
frr
AlmaLinux:8
before 7.5.1-22.el8
7.5.1-22.el8
frr-selinux
AlmaLinux:8
before 7.5.1-22.el8
7.5.1-22.el8
frr
Azure Linux:2
before 8.5.1-2
8.5.1-2
frr
TuxCare:AlmaLinux:9.2
before 8.3.1-5.el9.2.alma.tuxcare.els2
8.3.1-5.el9.2.alma.tuxcare.els2
frr-selinux
TuxCare:AlmaLinux:9.2
before 8.3.1-5.el9.2.alma.tuxcare.els2
8.3.1-5.el9.2.alma.tuxcare.els2
frr
Debian:12
before 8.4.4-1.1~deb12u1, plus listed versions
8.4.2-18.4.4-1
8.4.4-1.1~deb12u1
frr
Debian:13
before 8.4.4-1
8.4.4-1
frr
Debian:14
before 8.4.4-1
8.4.4-1
Show 20 moreShow less
Affected packages
PackageAffectedFixed
frr
Debian: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 less
7.3.1-17.4-17.4-1.17.4-27.5-17.5.1-17.5.1-1.1
7.5.1-1.1+deb10u1
frr
Debian: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
frr
Red Hat:enterprise_linux:9::appstream
before 0:8.5.3-4.el9
0:8.5.3-4.el9
frr-debuginfo
Red Hat:enterprise_linux:9::appstream
before 0:8.5.3-4.el9
0:8.5.3-4.el9
frr-debugsource
Red Hat:enterprise_linux:9::appstream
before 0:8.5.3-4.el9
0:8.5.3-4.el9
frr-selinux
Red Hat:enterprise_linux:9::appstream
before 0:8.5.3-4.el9
0:8.5.3-4.el9
frr
Red Hat:enterprise_linux:8::appstream
before 0:7.5.1-22.el8
0:7.5.1-22.el8
frr-debuginfo
Red Hat:enterprise_linux:8::appstream
before 0:7.5.1-22.el8
0:7.5.1-22.el8
frr-debugsource
Red Hat:enterprise_linux:8::appstream
before 0:7.5.1-22.el8
0:7.5.1-22.el8
frr-selinux
Red Hat:enterprise_linux:8::appstream
before 0:7.5.1-22.el8
0:7.5.1-22.el8
frr
Rocky Linux:8
before 0:7.5.1-22.el8
0:7.5.1-22.el8
frr
SUSE:Linux Enterprise Module for Server Applications 15 SP5
before 8.4-150500.4.3.1
8.4-150500.4.3.1
frr
openSUSE:Leap 15.5
before 8.4-150500.4.3.1
8.4-150500.4.3.1
frr
SUSE:Linux Enterprise Module for Server Applications 15 SP5
before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
SUSE:Linux Enterprise Module for Server Applications 15 SP6
before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
openSUSE:Leap 15.5
before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
openSUSE:Leap 15.6
before 8.5.6-150500.4.30.1
8.5.6-150500.4.30.1
frr
Ubuntu: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
frr
Ubuntu: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
frr
openSUSE:Tumbleweed
before 8.4-4.1
8.4-4.1

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE 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

Show 107 moreShow less
MoveEnter Open